Silver Book Fact
A study on the impact of diet on age-related macular degeneration (AMD) found that those who took the highest amounts of carotenoids, such as lutein and zeaxanthin, had a 43% lower risk of age-related macular degeneration than those who took the least amounts.
Seddon J, Ajani U, Sperduto R, Hiller R, et al. Dietary Carotenoids, Vitamins A, C, and E, and Advanced Age-Related Macular Degeneration. JAMA. 1994; 272(18): 1413-20. http://jama.ama-assn.org/cgi/content/abstract/272/18/1413