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J Nutr. 2000 May;130(5S Suppl):1516S-9S. doi: 10.1093/jn/130.5.1516S.

The Age-Related Eye Disease Study: a clinical trial of zinc and antioxidants--Age-Related Eye Disease Study Report No. 2.


The Age-Related Eye Disease Study includes a clinical trial of high dose antioxidant and zinc supplements for age-related macular degeneration and a clinical trial of high dose antioxidants for cataract. The clinical trials were initiated largely because of the widespread public use in the United States of commercially available pharmacological doses of vitamins and minerals to treat these two eye conditions and the absence of definitive studies on the safety and efficacy of their use. This report focuses on the clinical trial of zinc and the possibility that this elderly study cohort, who were randomly assigned in a factorial design to receive zinc, antioxidants and placebo, could be assessed for zinc effects other than those currently addressed by the trial.

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