Fundus camera

Details Fundus camera Fundus camera

2011-03-01

2011-03-01

Hasan, Mohammed (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S210000, C351S211000

Reexamination Certificate

active

07896494

ABSTRACT:
A fundus camera includes an illumination optical system including an illumination unit configured to illuminate a fundus of a subject's eye, a fundus observation photographing optical system including an image sensor and is configured to observe a fundus image, a focus index projection unit configured to project a focus index on a center region of a photographing portion of the fundus of the subject's eye, a display unit configured to display the fundus image captured by the image sensor, an enlargement unit configured to electrically enlarge the center region of the image captured by the image sensor on which the focus index is projected, an image synthesis unit configured to synthesize an output of the enlargement unit and an image output of a peripheral portion of the image captured by the image sensor, and an output unit configured to output an output of the image synthesis unit to the display unit.

REFERENCES:
patent: 7275824 (2007-10-01), Hoshino
patent: 7429107 (2008-09-01), Mizuochi
patent: 7736001 (2010-06-01), Tanaka et al.
patent: 5-192299 (1993-08-01), None
patent: 2006-42922 (2006-02-01), None

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