Prevention and treatment of Age-related Macular Degeneration (AMD)
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Abstract
Age-related macular degeneration (AMD) is the leading cause of Government-registered blindness in the elderly of the Western world and has two forms: wet and dry. No current AMD therapies are curative, and most are provided after retinal damage from the disease has already occurred (to preserve what is left of the retina). We have constructed a multi-factorial Phase II randomized, controlled clinical trial, titled: “Omega-3 docosahexaenoic acid(DHA) and eicosapentaenoic acid (EPA) nutritional supplementation to delay the progression of age-related macular degeneration (AMD): The OMEGAlberta Study”. Each day, participants in the experimental arm of this study will receive 600mg DHA and 1200mg EPA, plus Vitalux AREDS antioxidant formula. Based on the physicochemical properties of DHA, EPA, and Vitalux, our aim is to delay the 5-year incident rate of progression of intermediate dry AMD to wet AMD. Several tests will be performed, not only to quantify the incident rate of progression of AMD, but also to gain insight of the physiological mechanisms behind the supplements being provided. If the supplements are proven to delay AMD progression, this knowledge should be implemented by changes in health services and policy relating to public education and the treatment of AMD.