Ocular Ultraviolet B Exposure and Lens Opacities: A Review

  • West Sheila
    Dana Center for Preventive Uphthalmoiogy jonns Hopkins University

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Abstract

A review of the epidemiological evidence linking cataract and chronic ultraviolet B radiation (UV-B) exposure was carried out. The majority of ecological studies suggest an increased risk of cataract with residence in areas of greater ambient UV-B. Studies which have measured personal ocular exposure to UV-B have found that even low exposures, as encountered in the general populations of developed countries, confer a measurable risk of cortical cataract. There is sufficient evidence of increased risk of cortical lens opacity with ocular exposure to UV-B to warrant public health messages about simple measures to decrease exposure. J Epidemiol, 1999 ; 9 : S97-S101.

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