Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent
1980-02-04
1982-05-11
Corbin, John K.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Folding
351 14, 351 9, 354 62, A61B 310, A61B 314
Patent
active
043290256
ABSTRACT:
Eye fundus camera having an illumination system provided with a fluorescence exciting filter which can be retractably inserted into the illumination optical path for fluorescent photographing. The intensity of illumination is increased in fluorescent photographing. The data projecting system in the camera includes a data illumination optical path for leading a light from the illumination system and a shutter is provided for at least decreasing the illumination of the data projecting system in fluorescent photographing.
REFERENCES:
patent: 4200376 (1980-04-01), Takeuchi et al.
Hanamura Yoshihiko
Nishimura Shin'ichi
Bovernick Rodney
Corbin John K.
Tokyo Kogaku Kikai Kabushiki Kaisha
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