RAPID TEST FOR DARK-ADAPTATION

  • 1 January 1977
    • journal article
    • research article
    • Vol. 9  (6) , 731-734
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 some importance. Standard dark adaptation testing instruments are somewhat impractical, expensive, and not generally available. Therefore a simple, inexpensive 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 were described.

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