Ophthalmic instrument

Details Ophthalmic instrument Ophthalmic instrument

1993-03-18

1995-03-21

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351200, 128670, A61B 310, A61B 312, A61B 50205

Patent

active

054000912

ABSTRACT:
An ophthalmic instrument provided with an eye fundus measuring portion 1 for finding a position of the eye fundus of a patient's eye includes a transducer 11 for outputting a heartbeat signal corresponding to the heartbeat of a patient, a vital signal generating circuit 13, a synchronizing circuit 14, and a timer 16 each for actuating the eye fundus measuring portion 1 synchronously with the heartbeat signal.

REFERENCES:
patent: 3948248 (1976-04-01), Zuckerman et al.
patent: 5031632 (1991-07-01), Watanabe
patent: 5116116 (1992-05-01), Aizu et al.
patent: 5141302 (1992-08-01), Arai et al.

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