Visual aid especially for weak-sighted persons

Details Visual aid especially for weak-sighted persons Visual aid especially for weak-sighted persons

1985-10-07

1987-12-22

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Combined

351159, 351173, 350146, G02C 100, G02B 2500

Patent

active

047143290

ABSTRACT:
Visual aid especially for weak-sighted persons and comprising a sleeve into which at least one lens is fittable having the desired optical properties. The sleeve is intended to be fitted into an opening in a spectacle glass and be fixed in an optional position for individual adjustment of the distance between the person's cornea and the lens surface.

REFERENCES:
patent: 3369228 (1968-02-01), Foster
patent: 4540238 (1985-09-01), Edwards

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