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Journal Article

Citation

Thornton SP. Ann. Ophthalmol. 1977; 9(6): 731-734.

Copyright

(Copyright © 1977, American Society of Contemporary Ophthalmology)

DOI

unavailable

PMID

911116

Abstract

With the known relationship between defects in dark adaptation and vitamin A deficiency, liver disease, and retinal degenerative changes, the development of a practical and simple test of dark adaptation has taken on some importance. Standard dark adaptation testing instruments are somewhat impractical, expensive, and not generally available. Therefore a simple, in expensive test for evaluation of dark adaptation is desirable. Using established standards of macular dark adaptation, a test was designed that appears to be relatively simple, reasonably accurate, and rapid. The test and equipment are described.


Language: en

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