Method for determining the curvature of a cornea

Details Method for determining the curvature of a cornea Method for determining the curvature of a cornea

1980-12-05

1983-08-02

Evans, F. L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Methods of use

A61B 300

Patent

active

043962610

ABSTRACT:
The method of the present invention uses a standard prior art refracting device of the type typically used by an optometrist to refract the human eye in air and in water. Computations utilizing the refraction data obtained during the air and water refraction measurements is used to compute the radius of curvature of the central area of the cornea of a human eye. The method of the present invention thereby substantially facilitates contact lens fitting procedures.

REFERENCES:
patent: 4019813 (1977-04-01), Cornsweet et al.

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