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Simulating the Mechanics of Lens Accommodation via a Manual Lens Stretcher
Published on: February 23, 2018
Centering mechanism for soft contact lenses
1Department of Mechanical Engineering, University of Rochester, NY 14627, USA.
Journal of Biomechanical Engineering
|April 22, 1999
Summary
Soft contact lenses recenter on the eye due to their elasticity. This study simulates this centering mechanism using a potential energy method to compare lens and eye geometries.
Area of Science:
- Ophthalmology
- Biomechanical Engineering
- Materials Science
Background:
- Soft contact lenses can displace during blinking.
- Lens elasticity aids in self-centering over the cornea.
Purpose of the Study:
- To simulate the self-centering mechanism of soft contact lenses.
- To compare centering attributes of various lens and eye geometries.
Main Methods:
- A potential energy method was employed for simulation.
- Used specifications of commercial soft contact lenses.
- Incorporated realistic eye shape data.
Main Results:
- The potential energy method successfully simulated lens re-centering.
- The simulation allows for comparison of centering performance based on geometry.
Conclusions:
- The simulation technique provides a method to evaluate soft contact lens centering.
- This approach can guide the design of lenses with improved centering capabilities.
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