Laser beam scanning type ophthalmological instrument
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United States of America Patent
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-
Nov 6, 1990
Grant Date -
N/A
app pub date -
Oct 26, 1988
filing date -
Oct 28, 1987
priority date (Note) -
Expired
status (Latency Note)
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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.
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