Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Support
Patent
1981-09-04
1984-02-14
Corbin, John K.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Support
351221, A61B 300
Patent
active
044312792
ABSTRACT:
In an eye periphery portion illuminating device in an ophthalmologic instrument having a chin supporting member and a forehead applying member for fixing a patient's face to the apparatus body, a downwardly open depression is formed in the forehead applying member and a light source is contained in the depression.
REFERENCES:
patent: 3545846 (1970-12-01), Wilms
Corbin John K.
Dzierzynski P. M.
Nippon Kogaku K.K.
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