Illuminating light amount controllable retinal camera

Details Illuminating light amount controllable retinal camera Illuminating light amount controllable retinal camera

1982-04-27

1984-02-07

Adams, Russell E.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

354 62, 351206, A61B 314, G03B 716, G03B 2900

Patent

active

044299702

ABSTRACT:
A retinal camera wherein the illuminating light amount to the retina is made controllable so as to be of a proper value to make it possible to always obtain a retinal photograph of a proper exposure.

REFERENCES:
patent: 3914032 (1975-10-01), Takano et al.
patent: 4176920 (1979-12-01), Ito
patent: 4264153 (1981-04-01), Ito
patent: 4325618 (1982-04-01), Hosoda
patent: 4331403 (1982-05-01), Ohno

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