oa South African Journal of Sports Medicine - Sunburn: prevention and treatment



The electromagnetic radiation which reaches the earth from the sun extends from 290 to 4,000 nm, from the ultrashort invisible radiation through the visible spectrum to the infra-red spectrum. Sunburn is the unpleasant result of exposure to sunlight of 290 to 320 nm in the ultraviolet spectrum and varies from mild erythema to a fiery redness with oedema and blistering.


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