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RESEARCH PAPERS

The Effects of Contact Lens Deformation on Tear Film Pressure and Thickness During Motion of the Lens Towards the Eye

[+] Author and Article Information
H. D. Conway, M. W. Richman

Department of Theoretical and Applied Mechnics, Cornell University, Ithaca, N. Y. 14853

J Biomech Eng 105(1), 47-50 (Feb 01, 1983) (4 pages) doi:10.1115/1.3138383 History: Received January 11, 1982; Revised August 19, 1982; Online June 15, 2009

Abstract

An analysis is made of the motion of a contact lens normal to the eye through a tear film. The eye is modeled as a rigid sphere and the lens as a deformable spherical cap. Graphs of pressure distribution and tear film thickness variations are obtained. It is found that the pressures are very markedly reduced and film thicknesses increased by decreasing the modulus of the lens materials.

Copyright © 1983 by ASME
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