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(31-05-07) Nutritional supplementation in age-related macular degeneration.



Coleman H, Chew E.
Division of Epidemiology and Clinical Research, National Eye Institute/National Institutes of Health, Bethesda, Maryland, USA.
PURPOSE OF REVIEW: This review assesses the current status of the knowledge of the role of nutrition in age-related macular degeneration - a leading cause of vision loss in the persons with European ancestry. RECENT FINDINGS: We will evaluate the different nutritional factors and both observational and interventional studies used to assess the association of nutrition with age-related macular degeneration. Persons with intermediate risk of age-related macular degeneration or advanced age-related macular degeneration in one eye are recommended to take the formulation proven in the Age-Related Eye Disease Study (AREDS) to be successful in preventing the development of advanced age-related macular degeneration by 25%. The formulation consists of vitamins C, E, beta-carotene and zinc. In addition, observational data suggest that high dietary intake of macular xanthophylls lutein and zeaxanthin are associated with a lower risk of advanced age-related macular degeneration. Similarly, long-chain polyunsaturated fatty acids derived from fish consumption are also associated with a decreased risk of advanced age-related macular degeneration. SUMMARY: Persons with intermediate age-related macular degeneration or advanced age-related macular degeneration (neovascular or central geographic atrophy) in one eye should consider taking the AREDS-type supplements. Further evaluation of nutritional factors, specifically, lutein/zeaxanthin and omega-3 fatty acids will be tested in a multicenter controlled, randomized trial - the Age-Related Eye Disease Study 2 (AREDS2).

Fonte: Curr Opin Ophtalmol

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