Rozprawy doktorskie na temat „Contact lenses”
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Kollbaum, Pete S. "Optical aberrations of contact lenses and eyes corrected with contact lenses". [Bloomington, Ind.] : Indiana University, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3278221.
Pełny tekst źródłaSource: Dissertation Abstracts International, Volume: 68-09, Section: B, page: 5877. Adviser: Arthur Bradley. Title from dissertation home page (viewed May 9, 2008).
Utkina, M. S. "Invention of contact lenses". Thesis, Sumy State University, 2014. http://essuir.sumdu.edu.ua/handle/123456789/45609.
Pełny tekst źródłaChernenko, S. O. "Virtual reality contact lenses". Thesis, Сумський державний університет, 2012. http://essuir.sumdu.edu.ua/handle/123456789/28515.
Pełny tekst źródłaCardall, Martin. "Contact lenses and sport". Thesis, Aston University, 2008. http://publications.aston.ac.uk/14644/.
Pełny tekst źródłaLorentz, Holly. "Lipid Deposition on Hydrogel Contact Lenses". Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2963.
Pełny tekst źródłaMcBriar, D. I. "The plasma treatment of contact lenses". Thesis, Durham University, 1990. http://etheses.dur.ac.uk/6292/.
Pełny tekst źródłaAli, Maryam Byrne Mark E. "Therapeutic contact lenses for comfort molecules". Auburn, Ala., 2007. http://hdl.handle.net/10415/1334.
Pełny tekst źródłaHager, Michele LynnManeca. "A Study of Contact Lens Comfort in Patients Wearing Comfilcon A Soft Contact Lenses Compared to Their Habitual Soft Contact Lenses". The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243711014.
Pełny tekst źródłaGiner, Tort Anna. "Optical and visual characterization of multifocal contact lenses and multifocal intraocular lenses". Doctoral thesis, Universitat Politècnica de Catalunya, 2018. http://hdl.handle.net/10803/663449.
Pełny tekst źródłaLa visió és entesa i, universalment acceptada, com el sentit humà més valorat .Aquesta esta estructurada en tres parts principals: el sistema òptic (l'ull), el fot-sensor (la retina ocular) iel processador (el cervell). Si una d'aquestes parts es veu afectada per una disfunció o malaltia, la visió pot arribar a ser de molt baixa qualitat i, fins hi tot, inexistent Una de les disfuncions més comunes és la presbícia. La presbícia és una disfunció lligada a l'edat que pateix tota lla població a partir dels 40 anys, aproximadament. Consisteix en la pèrdua de la capacitat d'enfocar objectes propers (acomodació). Actualment, es troba un ampli nombre de possibles correccions. Per una banda, tenim les correccions temporals, com ulleres o lents de contacte progressives, i, per l'altre, correccions permanents, com lents intraoculars multifocals , ablacions corneals multifocals, lents intraoculars acomodatives, sistemes de monovisió, o modificacions esclerals, entre altres. Una altre disfunció associada a l'edat és la cataracta, la qual crea la opacificació del cristal·lí impedint una visió nítida. Conseqüentment, la cataracta és una de la deficiències visuals més estesa a partir dels 60 anys, afectant a la meitat de la població entre els 75 i els 85 anys . La única solució per eliminar les cataractes és eliminant les fibres opacificades i substituir-les per una lent intraocular quirúrgicament. Donat que tots els pacients amb cataractes són, a la vegada, prèsbites, està justificat que un nombre de pacients decideixi implantar-se lents intraoculars multifocals per substituir el seu cristal·lí. D'aquesta manera es solucionen dues degeneracions associades a l'edat en una sola cirurgia. Els joves prèsbites acostumen a optar per correccions prèsbites temporals, mentre que molts dels prèsbites amb cataractes opten per solucions permanents. Algunes de les correccions de la presbícia, com les lents de contacte o intraoculars multifocals , estan basades en el principi de visió simultània. Els dissenys òptics d'aquest tipus de lents són molt complexos, cosa que fa que la seva caracterització sigui molt complicada. Quan aquestes lents van aparèixer al mercat, només era possible caracteritzar-les òpticament abans de la seva implantació o adaptació de manera in vitro, i de caracteritzar-les visualment després de la seva adaptació o implantació de manera in vivo. Actualment, i gracies a tots els avenços tecnològics, diferents instruments clínics han estat desenvolupats per realitzar mesures de les qualitats visuals abans de la seva implantació. Tots ells, es basen en simular-li al pacient la visió que tindria després de ser implantat. Per un altre cantó, alguns prototips experimentals iaberrometres o sistemes de doble-pas comercials han estat utilitzats per dur a terme la caracterització de la qualitat in vim en pacients implantats o adaptats amb sistemes multifocals, pero diferents problemes han estat plantejats. Tenint en compte tota aquesta informació, el principal objectiu d'aquesta tesi ha estat la de dissenyar i muntar un nou sistema de doble-pas d'enfocament asimètric de camp obert que fos capaç de fer una caracterització de la qualitat òptica in vivo de pacients implantats o adaptats amb lents de contacte o intraoculars multifocals. I per arribar a aquest objectiu, s'han dut a terme els següents passos: Revisió de les correccions per a la presbícia i caracterització d'elles (Estudi clínic de la sobre-refracció objectiva de pacients adaptats amb lents de contacte multifocals); Validació de la capacitat de mesura d'un simulador comercial (Estudi clínic amb el simulador comercial VirtlOL (1OLens S.L); Disseny i muntatge del sistema de doble-pas amb enfocament asimètric (Disseny opto-mecànic/ Validació de tots els components del sistema/ Validació òptica del sistema); Programació dels programes informàtics que gestionen el sistema i processen
Saunders, B. D. "The optical performance of bifocal contact lenses". Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.254463.
Pełny tekst źródłaZollinger, Shannon Marie. "Interest and Success of Multifocal Contact Lenses". The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1306500257.
Pełny tekst źródłaSmith, Molly J. "Peripheral Refractive Error in Multifocal Contact Lenses". The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1460470062.
Pełny tekst źródłaSariri-Khayatzadeh, Reyhaneh. "Tear protein interaction with hydrogel contact lenses". Thesis, Aston University, 1995. http://publications.aston.ac.uk/9747/.
Pełny tekst źródłaRubido, Jacinto S. "Ocular response to silicone-hydrogel contact lenses". Thesis, Aston University, 2004. http://publications.aston.ac.uk/14538/.
Pełny tekst źródłaZhao, Yibei. "Phospholipid Transport in Silicon Hydrogel Contact Lenses". BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/3083.
Pełny tekst źródłaMerchea, Mohinder Mohan. "Refractive error shift with continuous use (Rescu) lenses". Connect to this title online, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1054652868.
Pełny tekst źródłaTitle from first page of PDF file. Document formatted into pages; contains xv, 144 p.; also includes graphics (some col.) Includes bibliographical references (p. 129-144). Available online via OhioLINK's ETD Center
Liman, Muhammad Mukhtar. "Diamond turning of contact lens polymers". Thesis, Nelson Mandela Metropolitan University, 2017. http://hdl.handle.net/10948/19223.
Pełny tekst źródłaGill, Felicity Rosemary. "Turning the tide for gas permeable contact lenses". Thesis, Cardiff University, 2010. http://orca.cf.ac.uk/54980/.
Pełny tekst źródłaHeideman, Kyle C. "Surface Metrology of Contact Lenses in Saline Solution". Diss., The University of Arizona, 2014. http://hdl.handle.net/10150/337379.
Pełny tekst źródłaTam, Ngai Keung. "Comfort and Compatibility of Silicone Hydrogel Contact Lenses". BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/4031.
Pełny tekst źródłaPort, Michael John Anthony. "The application of ultrasound in contact lens metrology". Thesis, City University London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.368028.
Pełny tekst źródłaWolfe, Jessica Taylor. "Compliance and Education in Soft Contact Lens Wearers". The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1586539881925913.
Pełny tekst źródłaKorsan, Jenna M. "Soft Multifocal Contact Lenses for Myopia Control in Children". The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429012620.
Pełny tekst źródłaKapoor, Yash. "Controlled ophthalmic drug delivery by surfactant-laden contact lenses". [Gainesville, Fla.] : University of Florida, 2008. http://purl.fcla.edu/fcla/etd/UFE0022886.
Pełny tekst źródłaGulsen, Derya. "Ophthalmic drug delivery through nanoparticle-laden soft contact lenses". [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0008247.
Pełny tekst źródłaSawyer, Kevin Andrew. "Contact stresses and their optical effects in biconvex lenses". Diss., The University of Arizona, 1995. http://hdl.handle.net/10150/187141.
Pełny tekst źródłaOlufayo, Oluwole Ayodeji. "Ultra-high precision machining of contact lens polymers". Thesis, Nelson Mandela Metropolitan University, 2015. http://hdl.handle.net/10948/3001.
Pełny tekst źródłaNichols, Jason J. "Evaporative tear film and contact lens factors associated with dry eye symptoms in contact lens wearers". Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1085771728.
Pełny tekst źródłaTitle from first page of PDF file. Document formatted into pages; contains xiii, 122 p.; also includes graphics Includes bibliographical references (p. 80-94). Available online via OhioLINK's ETD Center
Rutschilling, Ryan R. "Evaluation of Wear Experience with Silicone Hydrogel Lenses in Current Silicone Hydrogel Planned Replacement Lens Wearers". The Ohio State University, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1618559832574561.
Pełny tekst źródłaSousa, Juliana Nunes. "Tradução e validação do questionário "Contact Lenses Dry Eye Questionnaire" (CLDEQ)". Master's thesis, Universidade da Beira Interior, 2012. http://hdl.handle.net/10400.6/1219.
Pełny tekst źródłaRogers, Ronan. "In vitro and ex vivo wettability of hydrogel contact lenses". Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2974.
Pełny tekst źródłaThere are many ways to assess the wettability of a given material, namely sessile drop,1 captive bubble 2 or Wilhelmy plate. 3 This thesis used the sessile drop method to determine the surface wettability of various hydrogel contact lens materials, by measuring the advancing contact angle made between the lens surface and a pre-determined volume of HPLC-grade water. This was followed by measuring the surface wettability following periods in which the lens materials were soaked in various contact lens care regimens. Further studies determined wettability of lens materials after various periods of in-eye wear and finally a study was undertaken to evaluate if a novel biological technique could be used to differentiate proteins that deposit on hydrogel lens materials that may affect wettability and cause discomfort.
A variety of hydrogel lenses, taken directly from their packaging and after soaking in various care regimens, were analyzed to determine their sessile drop advancing contact angles, in vitro. These studies indicated that poly-2-hydroxyethylmethacrylate (pHEMA)-based lenses are inherently more wettable than silicone-based lenses, unless they have a surface treatment that completely covers the hydrophobic siloxane groups. Additionally, certain combinations of lens materials and care regimens produce inherently more wettable surfaces when measured in vitro.
Suitable methods to assess contact lens wettability ex vivo, or after subjects had worn lenses for set periods of time, were developed. It was determined that using latex gloves to remove lenses had no impact upon the lens surface wettability and that rinsing of the lens surface after removal from the eye was required to determine the wettability of the underlying polymer.
The final wettability studies involved an analysis of various lens materials from clinical studies conducted within the Centre for Contact Lens Research (CCLR). These studies investigated differences in wettability between silicone hydrogel lenses manufactured from differing polymers and variations in ex vivo wettability of several combinations of lens materials and solutions, worn for varying periods of time.
A novel method to investigate proteins extracted from lenses using 2D-Difference in Gel Electrophoresis (DIGE) found that this technique could be used to analyze proteins extracted from contact lenses. The data obtained showed that there was no difference between a group of subjects who were symptomatic of lens-induced dryness or a control group, and that care solutions had a minimal influence on the pattern of deposition seen.
The overall conclusion of these studies is that hydrogel lens wettability is affected by the polymer composition and that care regimen components can modify the surface wettability.
Danboise, Brook Alicia. "Role of MAP Kinase in Fusarium Association With Contact Lenses". Digital Archive @ GSU, 2008. http://digitalarchive.gsu.edu/biology_diss/45.
Pełny tekst źródłaSchafer, Jeffrey M. "A characterization of dryness symptoms with Silicone Hydrogel contact lenses". The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1407508203.
Pełny tekst źródłaSteele, Kelsy Robin. "Contact Lenses and Water Exposure: Current Practice Patterns and Perceptions". The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523906059857207.
Pełny tekst źródłaJones, Lyndon William James. "Ocular compatibility of hydrogel contact lenses : deposition and clinical performance". Thesis, Aston University, 1998. http://publications.aston.ac.uk/9635/.
Pełny tekst źródłaJayakumar, Jaikishan Optometry & Vision Science Faculty of Science UNSW. "Age related variations in anterior ocular characteristics and response to short term contact lens wear". Awarded by:University of New South Wales. School of Optometry and Vision Science, 2005. http://handle.unsw.edu.au/1959.4/22443.
Pełny tekst źródłaCastejón, Mochón José Francisco. "Estudio de las aberraciones oculares y su corrección mediante lentes de contacto hidrofílicas en ojos normales y muy aberrados". Doctoral thesis, Universidad de Murcia, 2006. http://hdl.handle.net/10803/10840.
Pełny tekst źródłaThe ocular wave aberration is strongly related with the visual quality having specific values for each eye. Its measurement and correction is challenging for fundamental research as well as for clinical practice. In this work we develop an experimental apparatus to measure the ocular wavefront based on a Shack-Hartmann sensor with a high dynamic range. We use it for measuring monochromatic ocular aberration in two subject groups: a) normal young subjects (normal group hereafter) and b) penetrating queratoplasty eyes (pathologic group hereafter). The results show that mean RMS values of the high order aberrations in the pathologic group was ten times higher than that of the normal group. Further, there is a strong correlation between the corneal aberrations (obtained by corneal topography) and ocular aberrations in the pathological group. We study the aberration correction using soft contact lenses, custom designed from each subject aberrations, by mean of both experiments and theoretical predictions. The study is carried out for three types of eyes: normal, keratoconus and penetrating queratoplasty. Results show that the main factors limiting this correction method are owing to both the mean position and rotation of the contact lenses on eye. We found that the normal subjects show a loss of optical quality relative to standard correction (sphere and cylinder), caused by expected displacements of the lenses contacts. In spite of the rotations and translations expected of contact lenses, there are, however, pathologic cases in which it is possible to reduce the RMS and increase visual quality, such as it was experimentally demonstrated in the keratoconus eyes.
Guido, Christopher James. "Improvements to Whole Lens Reconstruction for Saline Submerged Soft Contact Lenses". Thesis, The University of Arizona, 2016. http://hdl.handle.net/10150/612612.
Pełny tekst źródłaLin, Yu-Ju. "Validity and Repeatability of Pediatric Surveys for Spectacles and Contact Lenses". The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243619071.
Pełny tekst źródłaLewis, Kristen Oblad. "COMPARATIVE LIPIDOMICS OF HYDROGEL CONTACT LENSES IN-VITRO AND IN-VIVO". The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243889772.
Pełny tekst źródłaNixon, Alex D. "Visual Performance of Scleral and Soft Contact Lenses in Normal Eyes". The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397498763.
Pełny tekst źródłaChu, Byoung Sun. "The impact of presbyopic spectacles and contact lenses on driving performance". Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/31885/1/Byoung_Chu_Thesis.pdf.
Pełny tekst źródłaFink, Barbara A. "Quantifying the effects of contact lens prescription parameters on human corneal oxygen uptake /". The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487331541709205.
Pełny tekst źródłaRadford, Cherry F. "The epidemiology of contact lens related disease in users of disposable lenses". Thesis, City University London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283186.
Pełny tekst źródłaWoods, Russell Laurence. "The optical and visual performance of refractive and diffractive bifocal contact lenses". Thesis, City University London, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315696.
Pełny tekst źródłaTegeler, Lisa Jan. "Mechanics and materials issues in processing and flexibility of soft contact lenses". Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/38071.
Pełny tekst źródłaHorne, Ryan Ruben. "Thermal and Convective Loading Methods for Releasing Hydrophobic Therapeutics from Contact Lenses". BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6388.
Pełny tekst źródłaLittle, Simon A. "Determinants of postlens tear film morphology in hydrogel contact lens wear". Thesis, Queensland University of Technology, 1995. https://eprints.qut.edu.au/36723/1/36723_Digitised%20Thesis.pdf.
Pełny tekst źródłaMiller, Karina Y. "Contact Lens, Academics and Self-Perception Study: Follow-up Results". The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1586881377813119.
Pełny tekst źródłaGreiner, Katie Lynn. "Quality of Life of Pediatric Bifocal Soft Contact Lens Wearers". The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243463393.
Pełny tekst źródła