Eye fundus camera

Details Eye fundus camera Eye fundus camera

1982-11-15

1986-02-25

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

A61B 314

Patent

active

045726272

ABSTRACT:
An eye fundus camera comprising a photographing system for taking a picture of an eye fundus, a fundus illumination system for alternatively providing infrared light and visible light to illuminate the fundus, a viewer connected to the photographing system for the observation of the fundus, an image pick-up part containing therein an image pick-up tube and connected to the photographing system through a stationary wavelength dividing mirror which reflects infrared light and transmits visible light, and a light intercepting screen plate retractably disposed in the optical light path between the wavelength dividing mirror and the image pick-up tube.

REFERENCES:
patent: 4149787 (1979-04-01), Kobayashi et al.
patent: 4283124 (1981-08-01), Matsumura

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