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Thesis

Fitting characteristics of the rigid contact lens: A video guide to fluorescein patterns

1 May 1989

Abstract

Today, with the advent of new materials and technologies, rigid gas permeable(RGP) contact lenses are becoming a popular option for both practitioners and patients. Thus, the ability to assess the fitting characteristics of an RGP lens is a maxim for the successful contact lens fitter. Because patients and resources are limited at Pacific University due to sheer numbers, students often must rely on book knowledge and photographs to understand good and poor fits. Therefore, we have created a videotape of fluorescein patterns of various contact lens fits. The video examines changing base curve while all other parameters are held constant, changing the overall diameter of the lens, and spherical lenses on astigmatic corneas. This videotape demonstrates the dynamic characteristics of RGP lens movements that can not be seen in photographs.


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