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Omega-3 Fatty Acids Supplements May Prevent Age-Related Vision Loss

May 30, 2012: 12:00 AM EST
Supplementing the diets of older people with DHA – an omega-3 fatty acid found in fish like salmon and anchovies – prevents the accumulation of a toxic molecule in the retina that causes vision loss, Canadian research has found. The toxin (A2E, a constituent of the toxin lipofuscin) doubles as people age, but the researchers found in lab tests with mice that DHA (docosahexaenoic acid) stopped the accumulation of the toxin. The researchers have launched a clinical study involving people with age-related macular degeneration to see if certain genetic markers for the disease will respond better to increasing amounts of DHA in their diets.
B. Dornstauder et al., "Dietary Docosahexaenoic Acid Supplementation Prevents Age-Related Functional Losses and A2E Accumulation in the Retina", Investigative Ophthalmology & Visual Science, May 30, 2012, © Association for Research in Vision and Ophthalmology
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