Optical ophthalmic treatment apparatus

Details Optical ophthalmic treatment apparatus Optical ophthalmic treatment apparatus

1995-03-09

1997-07-01

Sykes, Angela D.

Surgery

Instruments

Light application

A61B 1736

Patent

active

056432496

ABSTRACT:
An optical ophthalmic treatment apparatus including an binocular observation optical system to observe an eye to be operated through a stereo microscope and a laser beam transmitting optical system to transmit a therapeutic laser beam emitted from a laser source onto the eye, the laser beam transmitting optical system comprising an irradiation area confining member capable of controlling an aperture diameter thereof, a projective lens for projecting an aperture image of the irradiation area confining member onto an affected part of the eye to be operated, a laser beam reflecting member for reflecting the optical axis of the laser beam transmitting system so as to be coaxial with the optical axis of an objective lens, and a condenser member for condensing the therapeutic laser beam at a position close to the laser beam reflecting member, the condenser member being arranged in the side of the laser source with respect to the irradiation area confining member.

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patent: 4397310 (1983-08-01), Pomerantzeff
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patent: 4776335 (1988-10-01), Nakanishi et al.
patent: 4911711 (1990-03-01), Telfair et al.
patent: 4931053 (1990-06-01), L'Esperance, Jr.
patent: 5163934 (1992-11-01), Munnerlyn
Japanese Patent Application Number HEI 2-416767 which corresponds to United States Patent application Serial Number 07/812,819 a copy of the specification of which is filed herewith.

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