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Ultraviolet light |
Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson | 0.03 sec. |
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Ultraviolet light A portion of the light spectrum not visible to the eye. Two bands of the UV spectrum, UVA and UVB, are used to treat psoriasis and other skin diseases. Mentioned in: Ultraviolet Light Treatment ultraviolet light, n light beyond the range of human vision, at the short end of the spectrum. It occurs naturally in sunlight; it burns and tans the skin and converts precursors in the skin to vitamin D. It is used in the treatment of psoriasis and other skin conditions. Prolonged or excessive exposure to ultraviolet light can damage the skin and increase the susceptibility of the skin to cancer. |
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Ultraviolet light
