Ocular light stimulus apparatus

Details Ocular light stimulus apparatus Ocular light stimulus apparatus

2010-04-06

2011-11-22

Dang, Hung (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S211000

Reexamination Certificate

active

08061840

ABSTRACT:
An ocular light stimulus apparatus provides the ocular fundus of an examinee's eye under examination with observation light to observe the ocular fundus and provides localized background light and stimulus light to a retina of the ocular fundus to perform biological examination through use of a bioelectrical signal from the retina. The ocular light stimulus apparatus has a ring slit and a photographic stop. Each of the ring slit and the photographic stop is disposed in a position substantially conjugate with the anterior ocular segment of the eye to be examined so that the ocular fundus of the eye is irradiated with the ocular fundus observation light via the ring slit and is irradiated with the stimulus light and the background light via the photographic stop.

REFERENCES:
patent: 7815312 (2010-10-01), Matsumura et al.
patent: 2009/0231543 (2009-09-01), Hara et al.

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