Apparatus for measuring anterior eye portion

Details Apparatus for measuring anterior eye portion Apparatus for measuring anterior eye portion

1997-01-31

1998-06-02

Perkey, W. B.

Photography

Eye tracking

G03B 1302

Patent

active

057615438

ABSTRACT:
There is disclosed an apparatus including an illuminating unit for illuminating an eyeball, a light-receiving unit for receiving light reflected by the eyeball to measure the state of an anterior eye portion, and a holding unit for holding the illuminating unit and the light-receiving unit. The apparatus can be easily assembled, and optical characteristics are properly determined to accurately detect the state of the anterior eye portion.

REFERENCES:
patent: 5182443 (1993-01-01), Suda et al.
patent: 5245371 (1993-09-01), Nagano et al.
patent: 5606390 (1997-02-01), Arai et al.

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