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RESEARCH PAPERS

Centering Mechanism for Soft Contact Lenses

[+] Author and Article Information
Guo Ming T. Funkenbusch

Department of Mechanical Engineering, University of Rochester, Rochester, NY 14627

Richard C. Benson

Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, University Park, PA 16802

J Biomech Eng 121(2), 188-195 (Apr 01, 1999) (8 pages) doi:10.1115/1.2835103 History: Received July 30, 1997; Revised December 07, 1998; Online January 23, 2008

Abstract

A soft contact lens, because of its elasticity, can re-center itself over the cornea after it has been displaced by a blink. In this paper, a potential energy method is used to simulate the centering mechanism. Specifications for commercially available soft contact lenses and realistic eye shapes are used for the examples. With this technique we can compare the centering attributes of different lens and eye geometries.

Copyright © 1999 by The American Society of Mechanical Engineers
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