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SAMUEL MONASH, MD

Arch Dermatol. 1965;91(5):495-496.

	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 EMISSION characteristics of lamps used for ultraviolet therapy are not generally known by the physicians using them. This knowledge is important because the wavelength of the radiation determines its effect on the skin. The erythemagenic spectrum of sunlight comprises the radiation from about 280 to 320 mµ. Most ultraviolet lamps, however, contain two erythemagenic spectra: that mentioned above, and the ultraviolet radiation between 250 and 280 mµ. If a lamp has a low content of long-wave ultraviolet above 320 mµ, it will have different effects than that with a high output of the same radiation. For these reasons a number of lamps commercially available were examined to determine the approximate proportion and the types of ultraviolet radiation emitted.

Material and Methods

The instrument used for this purpose was a General Electric ultraviolet meter. It consists of a photocell sensitive to ultraviolet but not to visible light. The meter . . . [Full Text PDF of this Article]

Author Affiliations
MIAMI, FLA

From the Department of Dermatology, University of Miami School of Medicine and the Veterans Administration Hospital, Coral Gables, Fla.

Footnotes
Accepted for publication Dec 11, 1964.

Reprint requests to University of Miami School of Medicine, Miami, Fla 33136.

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