 Turns out it's all about nutrition. Talked about zinc, talked about lutein. New study that announced of 26 studies increasing dietary intake of long-chain omega-3 polyunsaturated fatty acids, in particular DHA and EPA, cuts the risk for age-related macular degeneration, a new study has found. When it comes to omega-3 fatty acids, a lot of people are warned off of using omega-3 fatty acids.