Small, Simple and Cost-Effective Scheiner-Principle Optometer With Computer Interface for Automated Assessment.
Patent, filed 30 Dec 91, patented 29 Jun 93,
DEPARTMENT OF THE NAVY WASHINGTON DC
Pagination or Media Count:
A Scheiner-principle optometer for automated assessment of accommodative state is disclosed. The specific advantages of the instant invention over earlier ones are a simplicity of design, b hand held, portable implementation, c light weight, d small size, e low manufacturing cost, and, f the use of a monochromatic light source to eliminate the effects of chromatic aberrations in the subjects eye.
- Biomedical Instrumentation and Bioengineering
- Computer Programming and Software