Method and apparatus for detecting and modifying peripheral curv

Details Method and apparatus for detecting and modifying peripheral curv Method and apparatus for detecting and modifying peripheral curv

1986-11-07

1989-01-17

Wan, Gene

Optics: measuring and testing

Lens or reflective image former testing

For optical transfer function

G01B 900

Patent

active

047984600

ABSTRACT:
Apparatus and method for detecting and modifying discontinuities on the ocular surface of a patient's contact lens by alternately observing the reflected image of one or more parallel opaque bands superimposed on an illuminated translucent background and modifying the ocular surface until the detected malformations are removed and the ocular surface conforms to the conjugate profile of the patient's corneal surface.

REFERENCES:
patent: 3369329 (1968-02-01), Beiman
patent: 3722143 (1973-03-01), Cottom
patent: 3738204 (1973-06-01), Spriggs
patent: 3794429 (1974-02-01), Koeniger
patent: 3810403 (1974-05-01), Ianuzzi et al.
patent: 4149801 (1979-04-01), Volk
patent: 4545678 (1985-10-01), Grimm et al.

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