Contact lens

Details Contact lens Contact lens

Filed on

1976-01-12

Date issued

1978-09-26

Examiner

Sacher, Paul A.

Patent Class

Optics: eye examining, vision testing and correcting

SubClass

Spectacles and eyeglasses

SubSubClass

Ophthalmic lenses or blanks

Other Related Categories

G02C 704

Type

Patent

Status

active

Patent number

041165497

Description

ABSTRACT:
Disclosed is a cellulose ester contact lens having a medically acceptable warpage tolerance.

REFERENCES:
patent: 3710796 (1973-01-01), Neefe
patent: 3767731 (1973-10-01), Seiderman
patent: 3900250 (1975-08-01), Ivani
patent: 3951528 (1976-04-01), Leeds
Stahl et al., Article in Journal of the American Optometric Association, Mar. 1974, pp. 302-307 cited.

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