Contact lens for laser surgery

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type

Patent

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Details

351160R, A61B 100, G02C 704

Patent

active

049664522

ABSTRACT:
A contact lens for use in connection with transscleral cyclophotocoagulation. The lens has a planar entry surface and a frustoconically-shaped exit surface that contacts the sclera surrounding the cornea. The central portion of the lens is opaque to prevent stray laser light from entering the optical portion of the eye during laser application.

REFERENCES:
patent: 3409349 (1968-11-01), Boyle et al.
patent: 4309085 (1982-01-01), Morrison
patent: 4575205 (1986-03-01), Kappazzo

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