Opthalmic photographing apparatus having photographic light amou

Details Opthalmic photographing apparatus having photographic light amou Opthalmic photographing apparatus having photographic light amou

1995-07-20

1996-06-25

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

354 62, A61B 314

Patent

active

055304940

ABSTRACT:
An ophthalmic photographing apparatus has photographing device for directing the image of an eye to be examined obtained by illuminating the eye to be examined with a predetermined photographing light amount to a recording medium or an image pickup element, a detector for detecting information about the kind and/or sensitivity of the recording medium or the image pickup element into which the image of the eye to be examined is introduced, a photographing light amount correction input device for inputting the correction condition of a photographing light amount, and controller for varying at least one of the correction width and the correction stage of the photographing light amount correction condition inputted by the photographing light amount correction input device on the basis of the result of the detection by the detector. With at least one of the correction width and the correction stage set by the control means, the photographing light amount by the photographing device is controlled on the basis of the input correction condition by the photographing light amount correction input device.

REFERENCES:
patent: 4786162 (1988-11-01), Fujiwara et al.

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