International journal of cancer. Journal international du cancer
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Previous studies examining sun exposure and ocular melanoma have produced inconsistent results. We investigated this association in a population-based case-control study in Australia. Cases (n = 290) aged 18-79 years were diagnosed between January 1996 and July 1998. ⋯ The strongest positive associations were for total exposure up to 40 years of age, lifetime occupational exposure and total exposure at about 20 years of age in men; all had odds ratios between 2 and 3 in the highest exposure categories. There was inconclusive evidence for an association between sun exposure and iris (n = 25) or conjunctival (n = 19) melanomas. Sun exposure is an independent risk factor for choroidal and ciliary body melanoma in Australia.