Experimental study of small intraocular lenses using an eye model

Contrast and glare tests were performed on small intraocular lenses (IOLs) using a new eye model, which was based on and about the same size as the Gullstrand eye model. Lenses with a small optic diameter were inserted and retinal images were observed under the operating microscope. Contrast and gla...

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Bibliographic Details
Published inJournal of cataract and refractive surgery Vol. 19; no. 6; p. 772
Main Authors Kora, Y, Marumori, M, Kizaki, H, Yaguchi, S, Kozawa, T
Format Journal Article
LanguageEnglish
Published United States 01.11.1993
Subjects
Contrast Sensitivity
Eye - anatomy & histology
Humans
Lenses, Intraocular - adverse effects
Light
Models, Anatomic
Scattering, Radiation
Surveys and Questionnaires
Vision Disorders - etiology
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Summary:Contrast and glare tests were performed on small intraocular lenses (IOLs) using a new eye model, which was based on and about the same size as the Gullstrand eye model. Lenses with a small optic diameter were inserted and retinal images were observed under the operating microscope. Contrast and glare disability tests were done using the MCT-8000 contrast tester and the Miller-Nadler glare tester. No effect on contrast sensitivity attributable to glare was observed, but under severe glare light conditions a faint reflection around the circumference of the optic was found. Questionnaires from patients implanted with small optic IOLs confirmed that this phenomenon was similar to their symptoms.
ISSN:0886-3350
DOI:10.1016/S0886-3350(13)80348-3