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HERMANN M. BURIAN, M.D.; BENJAMIN ZIV, M.D.

AMA Arch Ophthalmol. 1959;61(3):347-350.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The spectral sensitivity of the human eye depends upon the sensitivity of the retinal elements. However, in the intact human eye the composition of the radiant energy reaching the retina is such that its sensitivity in the violet and near ultraviolet can not be evaluated fully by psychophysical methods. Owing to the absorption of the near ultraviolet by the yellow crystalline lens, which has a rather sharp cut-off at 400 mµ, ultraviolet radiation generally reaches the retina only in minimal quantities.

In one of his most remarkable papers. Wald¹ has shown, among other things, that with the removal of the lens the eye gains enormously in sensitivity in the violet and ultraviolet. Whereas in the intact human eye the sensitivity of the fovea declines at 365 mµ to 1/40,000 of its maximal value at 562 mµ, aphakic rod-and-cone vision is still about 1/30 as sensitive at 365 mµ as . . . [Full Text PDF of this Article]

Author Affiliations
Iowa City; Boston

From the Department of Ophthalmology, State University of Iowa College of Medicine. Clinical Fellow, The Retina Foundation, Boston (Dr. Ziv).

Footnotes
Submitted for publication Aug. 20, 1958.

Supported by Grant B-349 (C-5) of the National Institute of Neurological Diseases and Blindness.

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