Date of Award

2-1993

Degree Type

Thesis

Degree Name

Master of Science in Vision Science

Committee Chair

Cristina M. Schnider

Abstract

A clinical trial was constructed with thirty subjects of Japanese descent to compare patient preference and clinical performance to three hydrogel lenses of different base curves (8.4, 8.7, 9.0). The subjects were divided into two groups based on the measured curvature of their flattest meridian. Those with the flatter corneal curvatures were fit with a 9.0 lens on one eye and a 8.7 on the other. Those with steeper corneal curvatures were fit with a 8.7 lens on one eye and a 804 on the other. Each subject wore the lenses for one week. At the end of the week, fitting was assessed and a questionnaire was filled out by the subjects. The results from our study show that a hydrogel lens of a steeper base curve resulted in a better fit for our Japanese subjects. This data may be used to assist contact lens fitting in the Japanese population.

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Optometry Commons

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