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Thesis

The validation of computer simulations of rigid lens fluorescein patterns

1 January 1993

Abstract

This study is designed to validate a computer simulation of rigid tens fluorescein patterns by comparing actual photographs of rigid gas permeable (RGP) lens fits to the computer simulation. The simulated graphic is derived from calculating tear layer thicknesses for a given lens/cornea combination, and plotting using a variable green gradient. It is anticipated that this computer simulation could be a valuable adjunct to teaching RGP fitting principles. It was determined that observers indicated no significant difference in the evaluation of steep, flat and aligned fits of actual photographs to those of the simulations using an alpha value of .05. However, a significance in favor of the simulations being correct can be noted within the .10 alpha level.


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