Wide viewing angle ocular fundus blood flow imaging device

Details Wide viewing angle ocular fundus blood flow imaging device Wide viewing angle ocular fundus blood flow imaging device

2005-10-27

2009-10-06

Schwartz, Jordan M. (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S210000

Reexamination Certificate

active

07597443

ABSTRACT:
Provided is a wide viewing angle ocular fundus blood flow imaging device in which the measurement field of view is enlarged and which includes a projection system that turns a laser beam into a rectangular spot on the ocular fundus, an observation system that images the rectangular spot on an image sensor placed on the corresponding image plane, an observation optical system for carrying out positioning of the laser spot, and a mechanism for monitoring the movement of an ocular fundus blood vessel image.

REFERENCES:
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patent: 2002/0118338 (2002-08-01), Kohayakawa
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patent: 2000-41946 (2000-02-01), None
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Hitoshi Fujii, “Laser Speckle o riyou shita Ketsuryuugazoukagijutsu”, Keisoku-to-seigyo (Measurement and Control), Japan, Apr. 4, 2000, vol. 39th, No. 4, pp. 246-252.

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