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  • Title: Ocular effects of UV-B exposure.
    Author: Taylor HR.
    Journal: Doc Ophthalmol; ; 88(3-4):285-93. PubMed ID: 7634997.
    Abstract:
    Although an association between UV-B exposure and ocular damage has been long suspected, this relationship is still not well quantified. Cataract is the most significant ocular damage associated with UV-B exposure. Initial studies of the association between UV-B exposure and cataract were hampered by a lack of precision in the assessment of cataract and a failure to separate cataract types. With a few exceptions, most studies have not assessed individual ocular UV-B exposure but have used ambient levels or isolated behaviours. Ecologic studies show there is more cataract in sunny areas, but whereas ambient UV-B fluxes may change by a factor of 3 or 4 over the globe, individual behaviour can change ocular exposure in a given location by 20-fold or more. The Chesapeake Bay Watermen studies assessed individual ocular UV-B exposure and have shown a consistent relationship between exposure to UV-B and the risk of both cortical and posterior subcapsular cataract. However, further work to refine these findings is sorely needed.
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