Method and apparatus for the detection of impaired dark...

Details Method and apparatus for the detection of impaired dark... Method and apparatus for the detection of impaired dark...

2004-09-03

2009-02-24

Hasan, Mohammed (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Methods of use

C351S224000

Reexamination Certificate

active

07494222

ABSTRACT:
The present method describes a new method for the measurement of dark adaptation. The dark adaptation status of subjects may then be used to identify those subjects who are at risk of developing and/or who are currently suffering from a variety of disease states having their clinical manifestations in impaired dark adaptation. The disease states include, but are not limited to, age related macular degeneration, vitamin A deficiency, Sorsby's Fundus Dystrophy, late autosomal dominant retinal degeneration, retinal impairment related to diabetes and diabetic retinopathy. An apparatus for administering the test method described is also provided.

REFERENCES:
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patent: 5822037 (1998-10-01), Barad
patent: 6315412 (2001-11-01), Snodderly
Scilley, Kay, et al., Early Age-related Maculopathy and Self-reported Visual Difficulty in Daily Life, Ophthalmology, vol. 109, No. 7, Jul. 2002, Elsevier Science, Inc.

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