Laser beam scanning type ophthalmological instrument

Details Laser beam scanning type ophthalmological instrument Laser beam scanning type ophthalmological instrument

1988-10-26

1990-11-06

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351206, A61B 310, A61B 314

Patent

active

049681303

ABSTRACT:
A laser beam scanning type ophthalmological instrument has a first laser beam light source for emitting a first laser beam; a second laser beam light source for emitting a second laser beam of a different wavelength from that of the first laser beam; and a light receiving element for receiving a laser beam reflected by an eye fundus, and in which the eye fundus is scanned by the first and second laser beams in order to observe the eye fundus or in order that a view field, etc. can be inspected. The laser beam scanning type ophthalmological instrument is characterized in that the first and second laser beams emitted by the first and second laser beam light sources can independently be adjusted in light quantity.

REFERENCES:
patent: 4579430 (1986-04-01), Bille

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