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Journal articles on the topic 'Visual Quality Improvement'
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Dolan, Jenny E., Hannah Lonsdale, Luis M. Ahumada, Amish Patel, Jibin Samuel, Ali Jalali, Jacquelin Peck, et al. "Quality Initiative Using Theory of Change and Visual Analytics to Improve Controlled Substance Documentation Discrepancies in the Operating Room." Applied Clinical Informatics 10, no. 03 (May 2019): 543–51. http://dx.doi.org/10.1055/s-0039-1693688.
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Background Discrepancies in controlled substance documentation are common and can lead to legal and regulatory repercussions. We introduced a visual analytics dashboard to assist in a quality improvement project to reduce the discrepancies in controlled substance documentation in the operating room (OR) of our free-standing pediatric hospital. Methods Visual analytics were applied to collected documentation discrepancy audit data and were used to track progress of the project, to motivate the OR team, and in analyzing where further improvements could be made. This was part of a seven-step improvement plan based on the Theory of Change with a logic model framework approach. Results The introduction of the visual analytics dashboard contributed a 24% improvement in controlled substance documentation discrepancy. The project overall reduced documentation errors by 71% over the studied period. Conclusion We used visual analytics to simultaneously analyze, monitor, and interpret vast amounts of data and present them in an appealing format. In conjunction with quality-improvement principles, this led to a significant improvement in controlled substance documentation discrepancies.
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FUKAHORI, Kiyotaka, Yoichi KUBOTA, Yoshito YUGUCHI, and Hiroyuki Sakamoto. "Relationship between Cost for Improvement and Visual Quality of Streetscape." INFRASTRUCTURE PLANNING REVIEW 16 (1999): 523–30. http://dx.doi.org/10.2208/journalip.16.523.
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Norarat, Rattanaporn, Harry J. Whitlow, Minqin Ren, Thomas Osipowicz, Jeroen A. van Kan, Jussi Timonen, and Frank Watt. "Objective improvement of the visual quality of ion microscope images." Microelectronic Engineering 102 (February 2013): 6–8. http://dx.doi.org/10.1016/j.mee.2012.02.010.
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Sravani, N. "Visual Quality Improvement of an Image/Video in Web Application." IOSR Journal of Electronics and Communication Engineering 2, no. 3 (2012): 07–18. http://dx.doi.org/10.9790/2834-0230718.
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Benyó, Fruzsina, Lilla István, Huba Kiss, Andrea Gyenes, Gábor Erdei, Éva Juhász, Natalia Vlasak, et al. "Assessment of Visual Quality Improvement as a Result of Spectacle Personalization." Life 13, no. 8 (August 8, 2023): 1707. http://dx.doi.org/10.3390/life13081707.
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Personalized spectacles customized according to an individual’s facial anatomy were developed to provide enhanced visual performance and overall comfort when compared to standard spectacles. In this comparative crossover trial, each subject was randomly assigned to wear either personalized spectacles or standard spectacles for two weeks and then tried the second pair for another two weeks. Visual acuity and reading speed were measured, and visual quality and comfort were assessed using specific questionnaires. The correlation of the wearing parameters with the subjects’ satisfaction was calculated. According to our results, the subjects wearing personalized glasses reported significantly less experience of swaying and significantly higher overall satisfaction compared to those wearing the control spectacles. At the end of the study, 62% of subjects preferred the personalized spectacles, and visual quality was the primary reason for their spectacle preference followed by wearing comfort. The difference from the ideal cornea–vertex distance was significantly lower when wearing the personalized spectacles compared to the control frames. In addition, the absolute value of the difference from the ideal cornea–vertex distance was significantly correlated with patient satisfaction. These results suggest that personalized spectacles, customized according to an individual’s facial anatomy for the ideal wearing parameters, result in both visual and comfort advantages for wearers.
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Kuroki, Yoshihiko. "Improvement of 3D visual image quality by using high frame rate." Journal of the Society for Information Display 20, no. 10 (October 2012): 566–74. http://dx.doi.org/10.1002/jsid.107.
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Denny, Diane, and Danielle Gross. "Establishing an oncology quality dashboard for improvement." Journal of Clinical Oncology 34, no. 7_suppl (March 1, 2016): 223. http://dx.doi.org/10.1200/jco.2016.34.7_suppl.223.
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223 Background: Cancer Treatment Centers of America (CTCA), a national network of five hospitals, formed a Quality Improvement Committee to bring together both clinical and administrative leadership (physician, nursing, pharmacy and quality) across the enterprise vested in the oversight of quality and patient safety. Tasked with facilitating and driving measurement and improvement the group established a Quality dashboard housing metrics of importance given current performance, evidence-based practice, and evolving external standards. The dashboard includes a mix of outcome, process, and structure measures with targets, both externally driven and CTCA established. Methods: The dashboard houses data sourced from a multitude of systems and is segmented into clinically relevant categories such as Infection Prevention, Nursing, Medication Management, and Medical Oncology to name a few. These categories are further broken down into specific measures, reported by quarter, and color-coded (red/yellow/green) to display progress. Targets are established based upon external benchmarks, where data is available. Each metric is also graphically displayed, trending the 6 most recent quarters of data as another visual reference. Finally, a glossary was created to standardize key measure details across the enterprise for accurate data collection including documentation of source, numerator, denominator, references, inclusions, exclusions and rationale. Data is updated monthly to reflect most current performance and promote timely intervention. Results: Since development of the Quality dashboard, CTCA has experienced various red to yellow to green progressions as well as upped its targets indicating significant advancement in performance. Standard data collection and visual identifiers within one repository has enabled CTCA to accurately focus time and resources where needed in order to continually improve care. Conclusions: The establishment of the enterprise-wide quality dashboard has led to great collaboration within CTCA’s network of hospitals. The display of the data allows both a focus upon individual and network strengths and opportunities for improvement as well as a mechanism for communicating shared goals.
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de Mendonca, Ben, Matthew C. Cheung, Simron Singh, Flay Charbonneau, Kirsty Wield, and Philomena de Soudsa. "Using RFID technology to drive quality improvement." Journal of Clinical Oncology 31, no. 31_suppl (November 1, 2013): 70. http://dx.doi.org/10.1200/jco.2013.31.31_suppl.70.
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70 Background: The Odette Cancer Centre (OCC) is the sixth largest cancer institution in North America and manages over 24,000 chemotherapy patient visits/year. We initiated an automated system whereby patients can “actively” self-check-in using Radio Frequency Identification (RFID) cards to the chemotherapy unit as part of a quality improvement initiative. Methods: Four self check-in kiosks were implemented into the OCC and all patients received a unique identifiable RFID card. Patients “self-arrived” to the OCC upon entry as well as before the nursing assessment. The technology created an electronic data infrastructure to capture patient experience data for ambulatory chemotherapy. In addition, visual management boards have been implemented that display the patients’ unique identifiers and communicates their process status. This tool also acts as a call-in system wherein the screen flashes and prompts the patient to proceed to the service area. Data was extracted electronically from various information systems, consolidated in excel linking information by the patients hospital file number. Results were analyzed. Results: The mean number of patients treated per day is 85 with a range of 65 to 105 (n=853). Median wait time from arrival to chair placement was 1:52 minutes ranging 0:02 to 6:12. There were 43% of patients that had medication ready within 30 minutes of their appointment time. There was an observed reduction in interruptions to the assessment nurses related to patient status updates (data to be presented). Patient satisfaction was high despite the modest improvement in efficiency. Conclusions: A comprehensive business analysis is being performed on the operations of the OCC with the implementation of this technology. The visual management boards enhance communication to patients while increasing privacy and patient confidentiality. The boards allow for patient mobility in the waiting room and eases anxiety associated with being “lost in the queue”. Next steps for the OCC are to create a data cube linked with other systems to further enrich the data. This technology enabled data analysis, evaluated the impact of change, set baseline targets for performance and built continuous quality improvement.
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Gupta, Surbhi, Riya Gupta, and Rajiv K. Gupta. "Impact of cataract surgery in quality of life of patients." International Journal of Research in Medical Sciences 9, no. 2 (January 29, 2021): 386. http://dx.doi.org/10.18203/2320-6012.ijrms20210411.
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Background: Loss of vision invariably leads to loss of quality of life (QOL), which represents the general well-being of individuals and societies. Researchers have tended to indicate that visual acuity (VA) alone is an inadequate measure of visual impairment. Studies on QOL after cataract surgery are scarce in this part of India and there our present study holds potential to be really useful.Methods: This study was a prospective study consisting of 300 patients aged 50 years and above, who were operated for cataract in the Department of ophthalmology, GMC Jammu from May 2017-February 2018, a period of 10 months. Visual acuity was measured by logMaR method and generic health related quality of life (HRQoL) was measured using EuroQol (EQ-5D).Results: Only 182 turned up for the follow up after six months, mainly belonging to the age group: 60 to 70. 66.48% of the people studied upon belong to the lower strata of the society. Substantial improvement in visual acuity was observed with only 3.84% of patients showing less than 6/60 visual acuity during follow up after 6 months. All domains related to the generic health related QOL showed improvement. There was clear and marked improvement for performance of usual activities by the patients after surgery.Conclusions: In conclusion this study has provided valuable information about the change in vision related quality of life after cataract surgery there is statistically significant improvement in QOL of all patients enrolled in our study after the cataract surgery.
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Pintos-Díaz, María Zahara, Paula Parás-Bravo, Cristina Alonso-Blanco, César Fernández-de-las-Peñas, María Paz-Zulueta, Mónica Cueli-Arce, and Domingo Palacios-Ceña. "The Use of Disposable Tampons as Visual Biofeedback in Pelvic Floor Muscle Training." International Journal of Environmental Research and Public Health 16, no. 12 (June 17, 2019): 2143. http://dx.doi.org/10.3390/ijerph16122143.
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Background: Urinary incontinence represents a complex problem which commonly affects women and influences their physical, mental and social wellbeing. The objective was to determine the effect of pelvic floor muscle training using a tampon as visual biofeedback. Methods: A non-randomized clinical trial involving 60 women >18 years of age, both with, and without, urinary incontinence. All women exercised with a program involving visual biofeedback using disposable tampons at home for three months. The compliance rate was 76.8 ± 24.1 An electromyographic assessment of the pelvic floor was performed and assessments of the impact of the exercise program. Results: 54.5% of women without incontinence and 81.6% of women incontinence reported improvements (p = 0.041). In both groups, there was increased quality life (p > 0.05). The women without incontinence experienced greater improvement in the quality of their sexual relations (Pre 6.8 ± 1.4–Post 7.2 ± 1.0). Conclusions: After the intervention, a high percentage of women showed a statistically significant improvement in their symptoms. The participants reported an increase in quality of life and the women without incontinence reported an improvement in quality of their sexual relations. Our findings suggest that visual BFB for training the PFM may be beneficial for women with or without incontinence.
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Zhang, Hui, and Jing Wang. "Visual Quality Assessment of Posterior Capsule Opacification Using Optical Quality Analysis System (OQAS)." Journal of Ophthalmology 2017 (2017): 1–4. http://dx.doi.org/10.1155/2017/9852195.
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Objective. To evaluate intraocular scattering in eyes with posterior capsule opacification by means of an objective scatter index (OSI) obtained from double-pass images of optical quality assessment system (OQAS TM II) and to determine the indication for laser capsulotomy when patients report visual disturbances without decreased visual acuity. Methods. In this prospective, observational, and nonconsecutive case series study, a total of 32 eyes of 29 patients are diagnosed with posterior capsule opacification after age-associated cataract were analyzed. Patient examination included age, the period after cataract surgery, logMAR best corrected visual acuity (BCVA), and OSI. Results. We found a significant decrease in the BCVA and increase in the OSI with the development of posterior capsule opacification. The decrease of BCVA was statistically correlated with the increase of OSI (r=0.812, P<0.01). In patients who reported visual disturbances without decreased visual acuity, OSI decreased to <1.3 and subjective symptoms were resolved in all cases although there was no significant improvement in visual acuity after laser capsulotomy. Conclusions. The results of our study showed that OSI is also a useful parameter for objectively evaluating posterior capsule opacification. OSI may help predict laser capsulotomy in patients who report visual disturbances without decreased visual acuity.
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Leonard, Sean H., Ian Chin-Yee, Johan Delport, Abby Crozier, and Farah Abdulsatar. "Improving wound swab collection in paediatric patients: a quality improvement project." BMJ Open Quality 12, no. 3 (August 2023): e002170. http://dx.doi.org/10.1136/bmjoq-2022-002170.
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Microbiology sample swabs may be unsuccessful or rejected for a variety of reasons. Typically, errors occur in the preanalytical phase of sample collection. Errors with collection, handling and transport can lead to the need to repeat specimen collection. Unsuccessful specimens contribute to delays in diagnosis, increased patient stress and increased healthcare costs. An audit of sample swabs from London Health Sciences Centre Children’s Hospital from August through October 2021 yielded complete success rates of 100% for ear and eye culture swabs, 98.1% for methicillin-resistantStaphylococcus aureusswabs and 88.9% for wound swabs. This project aimed to improve wound swab success to 95% on the paediatric inpatient and paediatric emergency departments by May 2022.Stakeholders from paediatric clinical services including physicians, nurses and the laboratory medicine team at our centre were engaged to guide quality improvement interventions to improve specimen success rate. Based on feedback, we implemented visual aids to our electronic laboratory test information guide. Additionally, visual reminders of correct sample collection equipment were placed in high traffic areas for nursing staff.After the interventions were implemented, a three-month follow-up showed that wound swab success rate rose to 95.3%. This study achieved its aim of improving wound swab success rate to 95%. It adds to the growing pool of evidence that preanalytical phase intervention such as visual aids can increase swab success rates, in healthcare settings.
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HIRANO, Katsuya, and Takeshi INUKAI. "MULTI-RESOLUTION LEVEL COMPLEXITY ANALYSIS ON VISUAL QUALITY OF URBAN VIADUCT IMPROVEMENT." Doboku Gakkai Ronbunshuu D 63, no. 3 (2007): 379–90. http://dx.doi.org/10.2208/jscejd.63.379.
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Ying, Hongwei, Mei Yu, Gangyi Jiang, Zongju Peng, and Fen Chen. "Perceived depth quality - preserving visual comfort improvement method for stereoscopic 3D images." Signal Processing 169 (April 2020): 107374. http://dx.doi.org/10.1016/j.sigpro.2019.107374.
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Powell, Carmin, Whitney Chadwick, Charlie W. Wickremasinghe, Rebecca Blankenburg, Alyssa Bogetz, Nivedita Srinivas, Terry Platchek, and Lauren Destino. "Supporting Resident-Led Quality Improvement Through a Novel Visual Board (QI Abstract)." Academic Pediatrics 17, no. 5 (July 2017): e24. http://dx.doi.org/10.1016/j.acap.2017.04.081.
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LIU, HAOTING, JIE LI, ZHENG WANG, JIAN CHENG, HANQING LU, and YAN ZHAO. "IMAGE QUALITY FEEDBACK-BASED ADAPTIVE VIDEO DEFINITION IMPROVEMENT FOR THE SPACE MANIPULATION TASK." International Journal of Image and Graphics 11, no. 02 (April 2011): 153–75. http://dx.doi.org/10.1142/s0219467811004044.
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A novel video definition enhancement technique for space manipulation task is presented in this paper. In contrast to other techniques, we implement our algorithm by considering both the feedback of the image quality (IQ) and the correction of the visual fatigue factor simultaneously. First, when designing the objective IQ evaluation metrics, we employ both the subjective evaluation result of the IQ and the information of the attention region to improve their performances. The canonical correlation analysis technique is used to build the connection between the subjective evaluation results and the objective ones. The eye tracking system is employed to search the location of the visual attention. Second, a denoising and enhancement technique in wavelet domain is developed to improve the imaging definition. The whole calculation process is monitored by the feedback of the objective IQ evaluation metrics mentioned above. The evaluation result of IQ is also corrected by some visual fatigue factors since the space tasks are always a long-time mission. The face recognition technique will be included in our system in the future to detect and analyze the visual fatigue, although it is not developed currently. Extensive experimental results have shown the effectivity of our proposed technique.
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Bowden, Frank. "Considerations of Visual Quality in Ocular Surgery as Presented at Dry Eye University." Journal of Dry Eye Disease 3, (SP1) (April 16, 2020): e28-e29. http://dx.doi.org/10.22374/jded.v3i(sp1).27.
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Visual quality may be described as the visual experience which reflects the optimal optical efficiency of the eye. Patients undergoing ocular surgery expect improvement in visual acuity. Ocular surgeons typically aim to improve best-corrected visual acuity. Refractive surgeons, on the other hand, strive to improve uncorrected visual acuity. It is not uncommon that patients with excellent corrected visual acuity following surgery may be dissatisfied with visual quality which is less than anticipated due to unexpected visual disturbances. These visual phenomena may include ghosting, glare, halos, reduced contrast sensitivity, and visual fluctuation.
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Zuliani, Rizki, Anastasia Anastasia, and Delia Putri Anjani. "Peningkatan Kemampuan Menulis Deskripsi melalui Pemanfaatan Media Audio Visual Kelas V." ANWARUL 3, no. 5 (July 14, 2023): 970–80. http://dx.doi.org/10.58578/anwarul.v3i5.1432.
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This study aims to improve students' description writing skills with audio video media in fifth grade students at SD Negeri Slapajang II. This type of research is classroom action research. The research subjects were fifth grade students. This classroom action research was conducted in two cycles with four components in each cycle, namely planning, action implementation, observation, and reflection. Data collection techniques used were questionnaires, observations (observations), interviews, and description writing tests. The data analysis technique used is a qualitative analysis technique. Criteria for success seen from the process and product. The success of the process is measured based on improving the learning process in a better direction. The success of the product is measured based on KKM achievement and better student scores. The results of this study indicate that the use of audio video media can improve the description writing skills of the fifth grade students of SD Negeri Slapajang II. Improvements can be seen in processes and products. Improving the quality of the process seen in student activities in learning. Improved process quality can be seen from the condition of students who are more active in asking questions, more enthusiastic, and more independent. Process quality improvement has a positive impact on product quality improvement.
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Loskutov, Igor Anatolevich. "Results of Lucentis use as a routine practice in wet age-related macular degeneration patients." Ophthalmology journal 7, no. 1 (March 15, 2014): 47–57. http://dx.doi.org/10.17816/ov2014147-57.
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Ranibizumab treatment leads to rapid visual acuity improvement, which may be observed in as little as a week after the first injection, and may lead to quality of life improvement as estimated by VFQ-25 questionnaire. The retinal thickness progressively decreased in the course of treatment, what along with the lesion size reduction results in visual function improvement. The quality of life assessment using the VFQ-25 questionnaire revealed an improvement in all subscale positions during first months of monitoring, when visual acuity increase helps the patient perform routine daily activities. The longer Lucentis is needed and used, the trend is less optimistic, and patients acknowledge a quality of life decrease. Total VFQ-25 score has well-defined rises and descents, favoring treatment efficacy as well as the necessity of additional injections according to clinical need.
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Allam, Heba, and Rhian Bradley. "High Intensity User Quality Improvement Project." BJPsych Open 9, S1 (July 2023): S77. http://dx.doi.org/10.1192/bjo.2023.248.
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AimsTo ensure that patients who are high intensity users of acute mental health services (136 suite, Liaison, and inpatient admissions) have a ‘safety plan’ in place .This should contain person centred and specific recommendations to avert crisis and guide acute clinicians in managing care in a crisis situation.MethodsAudit of electronic health care records of top 10 patients who most frequent attend each of s136 suite, LPS and inpatient wards (26 in total) in the period 05/2021 to 04/2022.Process mappingDriver diagramCoproduction via patient engagement teamFocus group-across care groups and lived experienceResults-Audit of 26 identified HIU – whilst most (>80%) had a ‘safety plan’ in place, these lacked sufficient detail to avert ‘crisis’ and guide appropriate treatment should the situation escalate. The most frequent diagnosis was EUPD (77%). Most (93%) were open to CPA pathway. •Process mapping – visual representation of crisis planning process within CPA process.•Driver Diagram – primary and secondary drivers leading to change ideas of: additional ‘HIU response plan’ template; best practice example to guide care coordinators; process of flagging up HIU to community mental health services.•Focus group – themes included the importance of : joint working across care groups’ transparency with patients regarding professional opinion; consistency of interventions during a ‘crisis’; and coproduction of safety plans.•HIU response plans are incorporated into the safety plans of 20/26 HIUs.•PDSA process ongoing – quality assurance and clinical effectiveness of changes to be reviewed. Further change ideas sought through QI process.ConclusionHigh intensity users who often present in ‘crisis’ to acute mental health services, have unmet needs.This cohort require an additional framework to meet their needs.When patients experience a mental health ‘crisis’, a consistent and clear treatment response is experienced as helpful.Safety/crisis planning is thus an important aspect of meeting needs.HIU response plans’ can be incorporated into a patients ‘safety plan’ to ensure that individualised and specific guidance is available.Best practice example of ‘HIU response plans’ can empower community mental health colleagues to co-produce such plans.
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Latinovic, Slobodanka, Vladimir Canadanovic, Nikola Babic, Ljiljana Ljesevic, Desanka Grkovic, Zoran Zikic, Sinisa Babovic, et al. "Vision related quality of life: A cataract study." Medical review 60, no. 11-12 (2007): 653–56. http://dx.doi.org/10.2298/mpns0712653l.
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Introduction. Since 1996, advanced methods and new instruments for the assessment of vision quality of life (VisQoL) index (37 and 15) have been developed and applied at the University Eye Clinic in Novi Sad. Many researches assume that postoperative results should not be evaluated only by postoperative visual acuity, but also by subjective perception of visual function and the patients ability to perform everyday activities, i.e. by quality of life. Therefore, our clinical results were based on both parameters of visual function, as the most objective attributes for assessing outcomes of certain types of cataract surgery. Material and Methods. Based on the results of the Cataract Study in Vojvodina in 2004, 5.7% of patients waiting for cataract surgery were already blind, 16.5% had low vision with cataract on both eyes, and 57% of patients had monocular blindness. Results and Discussion. With improvement of visual acuity to 0.5 or higher, after cataract surgery in 96.5% of patients, the cumulative VisQoL 15-index changed from 59.3 to 95.5. Intraocular lens implantation contributed most to the significant improvement in the vision related quality of life. Our study showed that pseudophakic patients had better quality of life than aphakic patients, who had the same visual acuity and refractive correction. Difficulties in performing everyday activities, such as shopping, using the telephone and reading, were found in 12.7% of aphakic, but only in 3% of pseudophakic patients. Conclusion. Advanced phacoemulsification techniques enable operated cataract patients immediate vision recovery, better quality of life, and personal satisfaction with visual function in everyday activities.
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OZKARAMAN, Ayse, Ozlem KERSU, Fusun UZGOR, Merve CAKIRLI, Ozer CELIK, Burcin DANACI, and Mesut AYDEMIR. "DEVELOPMENT OF MOBILE EDUCATIONAL MATERIAL FOR NURSES: A PROCESS IMPROVEMENT STUDY." Turkish Online Journal of Distance Education 25, no. 1 (January 1, 2024): 273–88. http://dx.doi.org/10.17718/tojde.1221102.
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In the nursing profession, post-graduate in-service trainings are scheduled to increase efficiency and improve the quality of service. There are barriers to participation in training programs due to some reasons such as the intense work pace, incompatible shifts, a lack of personnel, the training program is not being at the knowledge and skill level of the personnel to be trained, the poor physical environment of the training environment. The purpose of this methodological study is to develop mobile training material to provide nurses working in university hospital with professional literature and also, to evaluate its visual design, reliability and the quality of information in the developed training material. The information quality, reliability, readability and visual design of the mobile training material developed for use on Android and IOS smartphones was assessed by 10 experts, twice, by means of the Discern Measurement Questionnaire and Visual Design Control Scale. After the first expert evaluation, the content was updated and a second evaluation completed. Content validity index (CVI) analyzes were performed. The Discern Measurement Questionnaire's total score for the training material configured for smartphones was calculated at 70.80 ±2.57 out of 75. CVI analysis results of the Discern Measurement Questionnaire and Visual Design Control Scale scales of the training material were found to be 0.75 and 0.78, respectively. According to Gagne's events of instructions, the information quality and the reliability of the training material configured for smartphones is high and this training material is validated.
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Errante, Paolo Ruggero. "Canine Cognitive Dysfunction Syndrome a Challenge in Treatment and Improvement in Quality Life of Older Dogs." International Journal of Zoology and Animal Biology 5, no. 6 (2022): 1–4. http://dx.doi.org/10.23880/izab-16000424.
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The canine cognitive dysfunction syndrome is a chronic and progressive neurodegenerative disease that affects elderly dogs, leading to the emergence of anatomical and functional changes in the central nervous system and development of characteristic behavioral clinical signs, such as memory loss, alteration of the sleep/wake cycle, decreased response to visual and auditory stimuli and hygiene problems that affect the relationship between the animal and the tutor. Although there is no cure for this disease, early diagnosis and installation of treatment are fundamental to improving behavioral clinical signs, quality and increased life expectancy of geriatric dogs.
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Miura, Gen, Takayuki Baba, Tomoaki Tatsumi, Hirotaka Yokouchi, and Shuichi Yamamoto. "Effects of Cataract Surgery on Vision-Related Quality of Life in Patients with Retinitis Pigmentosa and the Predictive Factors of Quality of Life Improvement." BioMed Research International 2021 (September 13, 2021): 1–6. http://dx.doi.org/10.1155/2021/3846867.
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Purpose. To determine the effects of cataract surgery and preoperative factors on the vision-related quality of life (QOL) in patients with retinitis pigmentosa (RP). Materials and Methods. This was a prospective, interventional study of 54 patients diagnosed with RP. The 25-item National Eye Institute Visual Function Questionnaire (NEI VFQ-25) was used to determine the QOL before and after the cataract surgery. The correlations between the scores of the questionnaire and the best-corrected visual acuity (BCVA), macular structure, and degree of improvement of the NEI VFQ-25 scores were also determined. Results. Statistically significant improvements were observed in the BCVA and all of the NEI VFQ-25 subscale scores except for color vision. The improvement of general vision was the largest. The postoperative BCVA of the better-seeing eye was more strongly and significantly correlated with the postoperative NEI VFQ-25 scores than that of the worse-seeing eye. All of the postoperative NEI VFQ-25 scores were significantly correlated with the length of the ellipsoid zone (EZ) of the photoreceptors. No significant correlation was found between the preoperative general vision, near vision, mental health scores, and EZ length. All of the preoperative NEI VFQ-25 scores except the social function and mental health scores were negatively and significantly correlated with the degree of improvement of the NEI VFQ-25 score. The EZ length was significantly correlated with the degree of improvement of the NEI VFQ-25 scores of the general vision, distance vision, mental health, dependency, and composite 9 scores. Conclusions. Cataract surgery can significantly improve the NEI VFQ-25 scores in RP patients. The EZ length can be used to predict the postoperative VFQ scores. We conclude that the NEI VFQ-25 is a useful method to evaluate the impact of cataract surgery on the BCVA in patients with RP.
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Aleksandrova, G. I., and D. V. Karelin. "Quality parameters of environmental space in engineering redevelopment." Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture 24, no. 5 (October 27, 2022): 38–47. http://dx.doi.org/10.31675/1607-1859-2022-24-5-38-47.
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Purpose: Parameter identification of the quality improvement of engineering redevelopment; identification of the main parameters of improvement; theoretical aspects of landscaping. Methodology: Terminological and semantic analysis; theoretical comparative analysis. Originality: Identification of comfortable environment parameters in terms of engineering redevelopment. Research findings: The territory improvement is important for creating the environmental space, the quality environment is characterized by the improvement components such as visual perception, durability of elements, safety, presence of vital objects with regard to the needs of citizens. The quality environment is affected by spatial microparameters and engineering support parameters. Practical implications: The results can be used for assessing the quality of life, since engineering redevelopment creates conditions for achieving the vital environment.
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Chroust, Stefan, and Markus Vincze. "Improvement of the Prediction Quality for Visual Servoing with a Switching Kalman Filter." International Journal of Robotics Research 22, no. 10-11 (October 2003): 905–22. http://dx.doi.org/10.1177/027836490302210008.
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Matsushima, Naoko, Asako Sugimoto, Minako Sato, Tetsuto Yamada, and Shigeru Aoki. "Quality of Life after Cataract Removal. Improvement in Visual Acuity and Patient Satisfaction." JAPANESE ORTHOPTIC JOURNAL 25 (1997): 145–50. http://dx.doi.org/10.4263/jorthoptic.25.145.
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Tang, Thinh, Hamza Gohar, Svetlana Villano, Vishvinder Sharma, Priyanka Attri, and Brian Carlson. "560 Bowel Preparation Quality Improvement Using Multimedia and Visual Aids in Hospitalized Patients." American Journal of Gastroenterology 114, no. 1 (October 2019): S323. http://dx.doi.org/10.14309/01.ajg.0000591772.18505.70.
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Dinapradipta, Asri. "LIGHTING DESIGN IMPROVEMENT FOR ENHANCING INDOOR VISUAL QUALITY OF GPIB IMMANUEL CHURCH MALANG." ARSITEKTURA 16, no. 1 (April 30, 2018): 49. http://dx.doi.org/10.20961/arst.v16i1.20332.
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<em>Lighting affects how people feel, react, and function in various settings, therefore lighting design strategy for worship room at churches should be aimed not only at fulfil the standard visual performance but should also be set as to enrich the room’s perception i.e. as the God’s holy place as well as a place for contemplation. Lighting problems found at the worship room of GPIB Immanuel Malang are not merely on the inappropriateness of lighting level and distributions, but also on the absence of the church’ nuance as a place for contemplation. This paper is intended to report a proposed schematic lighting design for improving the situation. Using visual hierarchical approach, the lighting design aspects such as intensity, colour rendering, type, direction and arrangement of luminaires are determined and integrated. The proposed lighting design strategy is expected to be able to solve luminous problems and create the designated room’s nuance/perceptions.</em>
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Natarajan, Balakrishnan, Shantharajah Periyasamy, and Shrinivas S.G. "Image Visual Improvement on Handheld Devices Using Linear Mapping Function." International Journal of Handheld Computing Research 8, no. 4 (October 2017): 52–57. http://dx.doi.org/10.4018/ijhcr.2017100105.
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In the current scenario, handheld devices play a major role in the human life. Handheld devices become an essential kit, not only acting as a conduit for social media, but also in medicine. Several new opportunities for the different applications of mobile image processing exist, such as to improve the visual quality, and image recognition. Captured images do not provide an effective visualization due to the poor specifications of the device camera, low light, poor sensing features, etc. In this article, an adaptive histogram equalization for contrast enhancement using a linear mapping function scheme is proposed to improve the images. The image from the mobile device is fed into a contrast improvement phase. The intensity value of each pixel is processed to improve the image visuals. The pixel density value is measured and according to it, the low-density value is changed. Hence, the image is tuned finely to yield better results.
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Lambe, Avril, Niamh Vandenberg, Clodagh O'Dwyer, Ciara Ball, Annemarie Cronin, Marina Byrne, Joyce Jones, et al. "125 A Quality Improvement Initiative of the Day Hospital Service." Age and Ageing 48, Supplement_3 (September 2019): iii17—iii65. http://dx.doi.org/10.1093/ageing/afz103.73.
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Abstract Background The Day Hospital had the potential to assist the hospital in achieving its target of reducing length of stay and early supported discharge. However the service was not providing a timely, quality service. The Day Hospital was reviewed as part of a week-long Rapid Improvement Event (RIE) to optimise the service. Methods Lean methodologies were utilised, including process mapping, gap analysis and A3 thinking. Data collection and analysis was gathered on the initial state prior to the RIE. Patient interviews were conducted and visual management systems were used to clarify the therapy schedules and rapid experiments of clinic flow boards. The key areas for service development were identified and changes were implemented and audited at 90 days and one year. Results Results at one year review showed that wait time for patients to attend an appointment was reduced by 75% (average of 270 days to 70 days) from 2017 to 2018. There was a 184% increase in new patient referrals from 2017 to 2018 and 98% of feedback from the patient surveys was positive. Five new clinic pathways were developed and added to the three existing clinics. Slots were also made available at clinics for early supported discharge from the hospital. Communication between staff was greatly improved through monthly meetings and utilizing a visual management system. Patient feedback surveys were checked monthly and streamlining the administration process improved the capacity of the service. Conclusion The RIE produced positive outcomes for the hospital, patients and staff. It achieved the key targets of providing a quality and timely service. The data at key time points indicate positive sustainability in these key areas.
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Nevliudov, Igor, Oleksandr Tsymbal, and Artem Bronnikov. "IMPROVEMENT OF ROBOTIC SYSTEMS BASED ON VISUAL CONTROL." Innovative Technologies and Scientific Solutions for Industries, no. 4 (18) (December 10, 2021): 65–74. http://dx.doi.org/10.30837/itssi.2021.18.065.
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The subject of research in the article is the use of adaptive visual control in flexible integrated robotic systems. The goal of the work is the integration of visual control facilities into automated control systems for transport and handling operations of flexible integrated production. The article solves the following tasks: analyze the application of visual control methods in robotics, consider methods for improving adaptive visual work control systems, formulate the basic requirements for adaptive visual control systems, and develop a control model for a mobile robot in the space of a flexible integrated production systems and computer vision systems. To solve the set tasks, the methods of set theory, methods of automatic control theory, and methods of the theory of image processing were used. The following results were obtained: the analysis of visual control systems was carried out from the point of view of solving the problems of flexible integrated systems of modern production; the adaptive visual control scheme was improved by introducing a declarative workspace model and a functional model of a flexible integrated system; the main requirements and tasks of adaptive visual control systems are formulated; considered the main stages of processing visual information and their practical implementation, including multi-zone workspaces; a model of visual control of a mobile robot in a flexible integrated production workspace has been developed; the practical tasks of managing mobile platforms have been solved. Conclusions: the use of adaptive visual control in a production environment will allow combining the elements of flexible integrated production distributed in space, providing monitoring, control and refinement of control processes in real time, the functioning of intelligent control tools, which will improve the quality of control processes.
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Chen, Zhirui, and Wenchen Guo. "Innovative Research on the Improvement of Visual Quality of Data Journalism in China: Visual Language and Interaction Design." Journal of Physics: Conference Series 1518 (April 2020): 012030. http://dx.doi.org/10.1088/1742-6596/1518/1/012030.
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Fithri, Prima, Jihan Nabila, Fandy Triawan, and Armijal Armijal. "Manufacturing Continuous Improvement of Busbar Product Using Six Sigma Approach At PT.XYZ." Andalasian International Journal of Applied Science, Engineering and Technology 2, no. 03 (October 9, 2022): 103–8. http://dx.doi.org/10.25077/aijaset.v2i03.36.
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PT. XYZ is a manufacturing company engaged in the production of cables and conductors such as busbars. Busbar is a copper bar used to distribute electric power. The problem that occurs at PT. X is that there are still reject products in the busbar production The reject criteria found are as follows: bent busbar, scratched visual, oxidized visual, cracked visual during bending test. This aims of this research are to reduce the total rejects in busbar products by proposing improvements to the busbar production process using the six-sigma method. The data used in this study consisted of primary data (results of discussions with production managers, quality control managers and engineering staff and research in field) and secondary data types and total rejects within 21 months. The results of this research found that at the define stage scratched busbar and bent busbar are the dominant type of busbar that will be improved in this research. At the measure stage, the company sigma value is 3.607. This result can be used to propose quality improvement for the busbar production process whisch is obtained so that the company can reduce the number of defective products and improve product quality.
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Eaidgah, Youness, Alireza Arab Maki, Kylie Kurczewski, and Amir Abdekhodaee. "Visual management, performance management and continuous improvement." International Journal of Lean Six Sigma 7, no. 2 (June 6, 2016): 187–210. http://dx.doi.org/10.1108/ijlss-09-2014-0028.
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Purpose The purpose of the paper is to study the interconnections between visual management, performance management and continuous improvement programmes and to suggest a practical framework to establish an effective visual management programme in association with performance management and continuous improvement systems. For the sake of simplicity, this paper refers to such a programme as integrated visual management (IVM) throughout this paper. Design/methodology/approach The following research included proposals and discussion, which were based on a case study which took place at a quality assurance (QA) department in PACCAR Australia, a global premium truck manufacturer, as well as authors’ own findings and experience, in addition to a literature-based review on visual management, performance management and continuous improvement. A systematic approach was followed to establish an effective IVM system. This paper is composed of two sections. Some of the most important literatures on visual management, performance management and continuous improvement are reviewed in the first section. Then the findings, as well as some other author findings, on why visual management works are summarised. The second section is dedicated to the case study. Findings Visual management can provide a simple and yet effective solution to enhance information flow in organisations. However, for visual management to yield its full benefit, it needs be part of a bigger plan. It has to be linked to a performance management programme, which provides input into visual management, and a continuous improvement initiative, which receives inputs from visual management. This paper proposes a practical framework to establish an IVM programme and provides a detailed description of its phases. The paper also presents the results achieved, during our case study, and views on the integration benefits, as well as on how to successfully implement an IVM programme. A systematic approach to establish an effective IVM system was followed. It laid a solid foundation to facilitate an effective flow of information in QA in its respective areas. This programme not only improved an understanding of the processes and raised awareness about the performance and associated issues, it also boosted transparency, discipline, shared ownership, team involvement and scientific mindset. It assisted in achieving significant and concrete process improvements. It helped in establishing a productive continuous improvement programme. It was observed that while visual management, performance management and team or company continuous improvement programmes each served a benefit individually, when they were linked together, as a whole, their synergy allowed for more significant achievements. Research limitations/implications The scope of this research is limited to use of visual management to manage performance and to lead continuous improvement initiatives. The research was performed in a manufacturing environment. Even though it is believed that the suggested framework for IVM and the findings are applicable to other business environments as well, further research in this direction is required. Also, the interconnection between visual management, continuous improvement and performance management based on a case study was investigated. More quantitative researches, on bigger scales, are required to better understand the mentioned interactions and to enhance our knowledge of these tools in a holistic manner. Originality/value The originality of the papers comes from its holistic approach to visual management, performance management and continuous improvement programmes and the suggested framework to establish an IVM programme.
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Saproo, Sameer, and John T. Serences. "Spatial Attention Improves the Quality of Population Codes in Human Visual Cortex." Journal of Neurophysiology 104, no. 2 (August 2010): 885–95. http://dx.doi.org/10.1152/jn.00369.2010.
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Selective attention enables sensory input from behaviorally relevant stimuli to be processed in greater detail, so that these stimuli can more accurately influence thoughts, actions, and future goals. Attention has been shown to modulate the spiking activity of single feature-selective neurons that encode basic stimulus properties (color, orientation, etc.). However, the combined output from many such neurons is required to form stable representations of relevant objects and little empirical work has formally investigated the relationship between attentional modulations on population responses and improvements in encoding precision. Here, we used functional MRI and voxel-based feature tuning functions to show that spatial attention induces a multiplicative scaling in orientation-selective population response profiles in early visual cortex. In turn, this multiplicative scaling correlates with an improvement in encoding precision, as evidenced by a concurrent increase in the mutual information between population responses and the orientation of attended stimuli. These data therefore demonstrate how multiplicative scaling of neural responses provides at least one mechanism by which spatial attention may improve the encoding precision of population codes. Increased encoding precision in early visual areas may then enhance the speed and accuracy of perceptual decisions computed by higher-order neural mechanisms.
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Noskov, M. F. "Seam welds quality control improvement using method of pseudo-color coding images." Journal of Physics: Conference Series 2094, no. 2 (November 1, 2021): 022058. http://dx.doi.org/10.1088/1742-6596/2094/2/022058.
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Abstract The method of seam welds quality control using X-ray is considered. The X-ray methods of control are based on the capability of gamma radiation to penetrate through a metal including welded areas. Regions having defects - pores, faulty welds, cracks, scale inclusions - look darker on images. Appearance, linear dimensions and depths of the defects usually are determined by a visual examination comparing the X-ray image with standard defects images. It is known that a human eye can distinguish not more than 12-15 shades on a black and white image but more than a hundred on a colored image. The paper considers possibilities of the developed method by the author and based on the optical mixing of two or three complementary colors - red, blue and green. The method can use only one pair of the colors at a time, i.e. it is possible to have three various pairs for a pseudo-color image. The obtained pseudo-color image has the same informational capacity as the original black and white image. But the greater fraction of the saved information becomes available for visual examination of the X-ray image. In the end the efficiency of the seam weld quality control increases.
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Hyndman, J., K. Whelan, G. Hunter, C. Catton, R. Goodkey, K. Hillis, A. Kleiter, et al. "P.068 Post-stroke orthoptic clinic assessment improves patient perceived quality of life." Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques 49, s1 (June 2022): S26. http://dx.doi.org/10.1017/cjn.2022.169.
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Background: Visual impairment can impact 70% of individuals who have experienced a stroke. Identification and remediation of visual impairments can improve overall function and perceived quality of life. Our project aimed to improve visual assessment and timely intervention for patients with post-stroke visual impairment (PSVI). Methods: We conducted a quality improvement initiative to create a standardized screening and referral process for patients with PSVI to access an orthoptist. Post-stroke visual impairment was identified using the Visual Screen Assessment (VISA) tool. Patients filled out a VFQ-25 questionnaire before and after orthoptic assessment, and differences between scores were evaluated. Results: Eighteen patients completed the VFQ-25 both before and after orthoptic assessment. Of the vision related constructs, there was a significant improvement in reported outcomes for general vision (M=56.9, SD=30.7; M=48.6, SD=16.0), p=0.002, peripheral vision (M=88.3, SD=16; M=75, SD=23.1), p= 0.027, ocular pain (M=97.2, SD=6.9; M=87.5, SD=21.4), p=0.022, near activities (M=82.4, SD=24.1; M=67.8, SD=25.6), p<0.001, social functioning (M=90.2, SD=19; M=78.5, SD=29.3), p=0.019, mental health (M=84.0, SD=25.9; M=70.5, SD=31.2), p=0.017, and role difficulties (M=84.7, SD=26.3; M=67.4, SD=37.9), p=0.005. Conclusions: Orthoptic assessments for those with PSVI significantly improved perceived quality of life in a numerous vision related constructs, suggesting it is a valuable part of a patient’s post-stroke recovery.
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Khalid, Muhammad, Mehwish Aslam, Umer Farooq Raina, and Khaleeq UZ Zaman. "VISUAL FIELD DEFECTS;." Professional Medical Journal 24, no. 10 (October 6, 2017): 1527–33. http://dx.doi.org/10.29309/tpmj/2017.24.10.779.
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Objectives: To obtain and compare the exact visual status before and afterexcision of sella supra sellar tumors using the computerized perimetry as a standard measuringtools and then compare with the international studies. Background: Sella suprasellar tumorsare though not so common but affect visual acuity of patients and their quality of life drops.These tumors include pituitary adenoma commonest in the adult population, meningioma,Craniopharyngioma, astrocytic glioma, Optic nerve Glioma, Germinoma, Dermoid, Pituitarymetastases. We planned a descriptive case series study to compare the pre and post excisionvisual field defects using computerized perimetry. Study Design: Case series study. Setting:Department of Neurosurgery, Pakistan Institute of Medical Sciences, SZABMU, and Islamabad.Period: 2 years from January 2015 to December 2016. Methods: A total of 73 patients withsella suprasellar tumors were identified and enrolled. Patients between the age of 10 and55 years were selected on the basis of having sella supra sellar tumor on CT/MRI brain withcontrast. Patients whose age was less than 10 years and more than 55 years were excluded.Moreover, patients with post radiation necrosis diagnosed on MRI and MR spectroscopy brain,those operated for other eye pathology and patients with sella supra sellar SOL having comorbiditieslike diabetes mellitus, hypertension etc. were also excluded from the study. Thestudy outcome was measured in terms of comparison of visual field defects after excision ofsella suprasellar tumors using computerized perimetry. Results: The average age of patientswas 42.1 + 6.8 years ranging from 10 to 55 years. Female gender was predominant; therewere 40 (54.8%) female patients. The mean computerized perimetry was 0.65 + 0.34 LogMARbefore surgery which improved to 0.19 + 0.12 LogMAR after surgery. Overall, of the 73 cases,63 (86.4%) had improvement whereas 10 (13.6%) study cases had no improvement in thevisual field on follow-up. Conclusion: It can be concluded that after craniotomy and excisionof sella suprasellar tumors, perimetry showed improvement in the majority of the study cases.
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Gupta, Pooja, and Kuldip Pahwa. "Visual Quality Improvement of Medical Images using Pixel Reconstruction Followed by Gabor Enhancement Technique." International Journal of Signal Processing, Image Processing and Pattern Recognition 7, no. 6 (December 31, 2014): 297–302. http://dx.doi.org/10.14257/ijsip.2014.7.6.25.
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BATTU, VIJAY K., DALE R. MEYER, and JOHN L. WOBIG. "Improvement in Subjective Visual Function and Quality of Life Outcome Measures After Blepharoptosis Surgery." American Journal of Ophthalmology 121, no. 6 (June 1996): 677–86. http://dx.doi.org/10.1016/s0002-9394(14)70634-8.
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Teo, D. C. L., E. K. M. Wuan, W. B. Ang, S. N. Tan, Y. J. Chen, and C. B. L. Loh. "Using Visual Aids to Improve Communication with Patients About Medications: a Quality Improvement Project." European Psychiatry 30 (March 2015): 1909. http://dx.doi.org/10.1016/s0924-9338(15)31460-7.
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Hyndman, J., K. Whelan, G. Hunter, M. Racine, C. Catton, L. Orsak, R. Goodkey, et al. "P.084 Pilot Program to Determine Impact of an Orthoptic Clinic on Patient Perceived Quality of Life of Stroke Patients." Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques 48, s3 (November 2021): S43—S44. http://dx.doi.org/10.1017/cjn.2021.363.
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Background: Visual impairment exists for an estimated 70% of individuals who have experienced a stroke. Identification and remediation of visual impairments can improve overall function and perceived quality of life. Our project aims to improve visual assessment and timely intervention for patients with post-stroke visual impairment (PSVI). Methods: We conducted a quality improvement initiative to create a standardized screening and referral process for patients with PSVI to access an orthoptist. Post-stroke visual impairment was assessed by way of the Visual Screen Assessment (VISA) tool, administered by an occupational therapist. Patients filled out a VFQ-25 questionnaire before and after orthoptic assessment and intervention. The VFQ-25 is a validated post-stroke survey assessing a patient’s perceived quality of life. Differences between pre- and post-orthoptic assessment scores will be evaluated. Results: Data collection currently ongoing.The benefits of a standardized screen for PSVI, standardized referral to, and experience with an orthoptist assessment will be determined. Learnings gained will also inform how we can expand the program to benefit a wider demographic of patients. Conclusions: The data gathered and the subsequent analysis will be instrumental in guiding ongoing improvement initiatives for patients with PSVI.
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Hester, Gabrielle, Tom Lang, Laura Madsen, Rabindra Tambyraja, and Paul Zenker. "Timely Data for Targeted Quality Improvement Interventions: Use of a Visual Analytics Dashboard for Bronchiolitis." Applied Clinical Informatics 10, no. 01 (January 2019): 168–74. http://dx.doi.org/10.1055/s-0039-1679868.
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Background Standard methods for obtaining data may delay quality improvement (QI) interventions including for bronchiolitis, a common cause of childhood hospitalization. Objective To describe the use of a dashboard in the context of a multifaceted QI intervention aimed at reducing the use of chest radiographs, bronchodilators, antibiotics, steroids, and viral testing in patients with bronchiolitis. Methods This QI initiative took place at Children's Minnesota, a large, not-for-profit children's health care organization. A multidisciplinary bronchiolitis workgroup developed a local clinical guideline and order-set. Delays in obtaining baseline data prompted a pediatric hospitalist and information technology specialist to modify a vendor's dashboard to display data related to bronchiolitis guideline metrics. Patients 2 months to 2 years old with a bronchiolitis emergency department (ED)/inpatient encounter in the period October 1, 2014 to April 30, 2018 were included. The primary outcome was a functioning dashboard; a process measure was the percentage of ED clinician logins. Outcome measures included the percent use of guideline metrics (e.g., bronchodilators) displayed on statistical process control charts (ED vs. inpatient). Balancing measures included length of stay, charge ratios, and hospital revisits. Results A workgroup (formed October 2015) implemented a bronchiolitis order-set and guideline (February 2016) followed by a bronchiolitis dashboard (August 2016) consolidating disparate data sources loaded within 2 to 4 days of discharge. In total, 35% of ED clinicians logged in. Leaders used the dashboard to target and track interventions such as a bronchodilator order alert. There were improvements in most outcome metrics; however, timing did not suggest direct dashboard impact. ED balancing measures were lower after implementation. Conclusion We described use of a dashboard to support a multifaceted QI initiative for bronchiolitis. Leaders used the dashboard for targeted interventions but the dashboard did not directly impact the observed improvements. Future studies should assess reasons for low individual dashboard use.
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Ang, Marcus, Ryan Man, Eva Fenwick, Ecosse Lamoureux, and Mark Wilkins. "Impact of type I Boston keratoprosthesis implantation on vision-related quality of life." British Journal of Ophthalmology 102, no. 7 (September 19, 2017): 878–81. http://dx.doi.org/10.1136/bjophthalmol-2017-310745.
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AimTo determine the impact of type I Boston keratoprosthesis (KPro) implantation on vision-related quality of life (VRQoL).MethodsProspective study in 33 patients (mean age 56±12 years, 67% male) with bilateral corneal blindness, who underwent a KPro implantation at a single tertiary eye hospital (June 2011–July 2015). VRQoL was evaluated using the Impact of Vision Impairment Questionnaire (IVI) at baseline and at 3–6 months postsurgery, after stabilisation of best-corrected visual acuity (BCVA). Rasch analysis was used to transform the IVI responses into interval-level measures comprising the ‘reading’, ‘mobility’ and ‘emotional’ subscales with effect sizes calculated for pre-post VRQoL scores.ResultsMean preoperative BCVA was counting-fingers at 2 feet in the operated eye (20/240 fellow eye). Preoperative VRQoL scores: −2.27, –2.91 and −3.06 logits for the reading, mobility and emotional subscales, respectively. Device retention rate was 90% over the follow-up period (mean 26±12 months). We observed large gains for reading and mobility of 1.92 logits (effect size 0.88), and 2.64 logits (effect size 0.89) respectively, with a moderate gain in the emotional subscale of 2.11 logits (effect size 0.59). These improvements did not vary significantly with BCVA on multivariate analysis (all p>0.05).ConclusionWe observed a differential short-term improvement to VRQoL after KPro implantation with a significant impact on emotional well-being, which may not be fully explained by visual improvement alone. Further studies are required to confirm if these improvements in VRQoL are sustained in the long-term and are generalisable to other populations.
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Satue, Maria, Miriam Idoipe, Alicia Gavin, Maria Romero-Sanz, Vasilios S. Liarakos, Antonio Mateo, Elena Garcia-Martin, Alejandro Blasco-Martinez, and Antonio Sanchez-Perez. "Early Changes in Visual Quality and Corneal Structure after DMEK: Does DMEK Approach Optical Quality of a Healthy Cornea?" Journal of Ophthalmology 2018 (September 23, 2018): 1–8. http://dx.doi.org/10.1155/2018/2012560.
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Purpose. To evaluate early changes in visual function and visual quality parameters after Descemet membrane endothelial keratoplasty (DMEK) and to compare the outcomes with healthy controls. Methods. Thirteen patients who underwent DMEK and 14 controls were evaluated. All subjects underwent visual function evaluation, including visual acuity under photopic and mesopic lighting conditions and contrast sensitivity (CSV) tests CSV 1000 and Pelli-Robson. Corneal parameters were assessed with Oculus Pentacam. Corneal mean keratometry (Km), corneal densitometry values, and low and high order aberrations (LOA and HOA) were recorded. In DMEK patients, all tests were performed before surgery and 1 and 6 months after surgery. Results. In patients who underwent DMEK, photopic visual acuity improved from 0.59 to 0.31 at 1 month (p=0.013) and 0.13 at 6 months (p=0.008); mesopic visual acuity and all contrast sensitivity values (both CSV and Pelli-Robson test) improved significantly in the first month (p<0.005). A significant decrease was observed in corneal density in the 0–2 mm ring (from 43.83 to 35.60, p=0.043) and mean posterior Km (from −5.84 to −6.80, p=0.005) in the first month. Corneal HOAs and all corneal densities improved at 6 months after DMEK (p<0.05). All visual function parameters and corneal aberrations remained lower and higher, respectively, compared with healthy controls (p<0.05). Corneal densities were comparable with controls at 6 months after DMEK (p>0.05). Conclusions. Patients undergoing DMEK present visual function improvement and a decrease in corneal density at 1 month after surgery. Decrease in corneal posterior HOAs can be observed at 6 months. However, visual function outcomes and corneal aberrations remained worse compared with healthy controls.
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Aritonang, Christina. "Low Vision Management in A 5-Years-Old Due to Retinopathy of Prematurity for Life Quality Improvement." Folia Medica Indonesiana 56, no. 4 (January 14, 2021): 314. http://dx.doi.org/10.20473/fmi.v56i4.24649.
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Introduction: Management of low vision in pediatric patients with greater result can affect their quality of life than in adult low vision patients.. Retinopathy of Prematurity is the main cause of blindness in children. A case study highlights the tertiary prevention (low vision examination and management) in a 5 year old boy with ROP related blindness to optimize his remaining visual capacity by using optical and non optical aids that support daily activity and educational learning.Case Report: A 5 year old boy with ROP related blindness visited to the low vision clinic after receiving the several treatments for ROP before. His visual acuities were light perception in the right eye and hand movement in the left eye using his current spectacle correction. He had anti VEGF bevacizumab intravitreal injection, vitrectomy and complicated cataract extraction history on the left eye. He wasdifficult to learn and read numbers and alphabets caused by visual impairment.Discussion : Upon evaluation by assessment low vision method, his distance visual acuity in the left eye was improved significantly up to 3/40 on LEA Acuity chart with +14.00D. His near vision became 10 M at 30 cm of reading distance (without near correction) and 4 M at 13 cm improved with +3.00 D by spectacle. The non optical aid devices as reading task were also suggested to improove continuous reading text without difficulty.Conclusion: ROP blindness can be preventable if appropriate, adequate and accessible screening programmes are available. Unfortunately, even with the current screening guidelines and recommended treatment of ROP, many babies suffer from blindness by this disease each year. Low vision assessment and management in pediatric patient with visual impairmentaccording to children’s need can optimize the recent visual capability of low vision patient and give self care daily activity and educational learning.
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Dewi, Ratna, and Putri Kartika Sari. "The Improvement of Flip (2,2) Visual Cryptography Images Using Two Key Images." ComTech: Computer, Mathematics and Engineering Applications 7, no. 3 (September 30, 2016): 213. http://dx.doi.org/10.21512/comtech.v7i3.2501.
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The Flip (2, 2) Visual Cryptography (FVC) is one of the techniques used to encrypt the two secret images into two dual purpose transparencies. The two transparencies can be sent to the objective person. The first secret images can be obtained by stacking the two transparencies and the second secret images can be obtained by stacking the one transparency with the flipping other transparency. Unfortunately, the result decryption processes still have noise and the quality of decrypted secret image is not as same as original secret image. This article proposed the new algorithm to improve the quality of decryption secret image. In this process, the two secret images from decryption process were compared with the two original secret images. The different values of each pixel, which was counted from subtraction of decryption image and original secret images, will be inserted to the two key images. The experimental results of this improvement have a good similarity. The noise in decryption process can be eliminated so the two secret images reconstruction similar to the original secret images.
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González-Méijome, Jose M., Sofia Claudia Peixoto-de-Matos, Antonio Queiros, Jorge M. Jorge, and Alberto Diaz-Rey. "Quality of Vision with Spectacles, Special Silicone Hydrogel and Gas Permeable Contact Lenses in Keratoconic Patients." International Journal of Keratoconus and Ectatic Corneal Diseases 2, no. 2 (2013): 56–59. http://dx.doi.org/10.5005/jp-journals-10025-1051.
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ABSTRACT Purpose To evaluate optical quality and visual function in keratoconus patients corrected with RGP contact lenses and a novel special design of silicone hydrogel contact lens. Materials and methods Twelve eyes of six patients with keratoconus were enrolled to experience a new soft contact lens (Soft-K) for keratoconus made of a silicone-hydrogel material and the outcomes were compared to the performance with gas permeable lenses and spectacles. The three situations were compared for monocular and binocular high (100%) and low contrast (10%) ETDRS LogMAR visual acuity and contrast sensitivity function (CSF). Results On average, there was an improvement of more than two lines in visual acuity over spectacle correction and this is statistically significant for both gas permeable (GP) and Soft-K lens (p < 0.001). Visual acuity was not significantly different between GP and Soft-K lens for high contrast acuity but was slightly higher with GP lens for low contrast under binocular conditions. Monocular CSF showed a marked improvement with the Soft-K lens and GP, compared to spectacles correction, particularly for medium and high frequencies; conversely. Conclusion Soft-K silicone hydrogel soft contact lens produces a clinical and statistically significant improvement in visual acuity and contrast sensitivity function over spectacle correction. How to cite this article González-Méijome JM, Peixoto-de- Matos SC, Queiros A, Jorge JM, Diaz-Rey A. Quality of Vision with Spectacles, Special Silicone Hydrogel and Gas Permeable Contact Lenses in Keratoconic Patients. Int J Kerat Ect Cor Dis 2013;2(2):56-59.
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Wolf, Amparo, Alexandra Coros, Joel Bierer, Sandy Goncalves, Paul Cooper, Stan Van Uum, Donald H. Lee, et al. "Quantitative evaluation of vision-related and health-related quality of life after endoscopic transsphenoidal surgery for pituitary adenoma." Journal of Neurosurgery 127, no. 2 (August 2017): 409–16. http://dx.doi.org/10.3171/2016.7.jns16200.
Full textAbstract:
OBJECTIVEEndoscopic resection of pituitary adenomas has been reported to improve vision function in up to 80%–90% of patients with visual impairment due to these adenomas. It is unclear how these reported rates translate into improvement in visual outcomes and general health as perceived by the patients. The authors evaluated self-assessed health-related quality of life (HR-QOL) and vision-related QOL (VR-QOL) in patients before and after endoscopic resection of pituitary adenomas.METHODSThe authors prospectively collected data from 50 patients who underwent endoscopic resection of pituitary adenomas. This cohort included 32 patients (64%) with visual impairment preoperatively. Twenty-seven patients (54%) had pituitary dysfunction, including 17 (34%) with hormone-producing tumors. Patients completed the National Eye Institute Visual Functioning Questionnaire and the 36-Item Short Form Health Survey preoperatively and 6 weeks and 6 months after surgery.RESULTSPatients with preoperative visual impairment reported a significant impact of this condition on VR-QOL preoperatively, including general vision, near activities, and peripheral vision; they also noted vision-specific impacts on mental health, role difficulties, dependency, and driving. After endoscopic resection of adenomas, patients reported improvement across all these categories 6 weeks postoperatively, and this improvement was maintained by 6 months postoperatively. Patients with preoperative pituitary dysfunction, including hormone-producing tumors, perceived their general health and physical function as poorer, with some of these patients reporting improvement in perceived general health after the endoscopic surgery. All patients noted that their ability to work or perform activities of daily living was transiently reduced 6 weeks postoperatively, followed by significant improvement by 6 months after the surgery.CONCLUSIONSBoth VR-QOL and patient's perceptions of their ability to do work and perform other daily activities as a result of their physical health significantly improved by 6 months after endoscopic resection of pituitary adenoma. The use of multidimensional QOL questionnaires provides a precise assessment of perceived outcomes after endoscopic surgery.