An estimated 1.75 million Americans currently have age-related macular degeneration (AMD). That number is expected to grow to 2.95 million by 2020. * Note that an additional 7.3 million currently at substantial risk for AMD are not included in these projections.
Friedman, David S., Benita J. O'Colmain, Beatriz Munoz, Sandra C. Tomany, Catherine A. McCarty, Paulus T.V.M. de John, Barbara Nemesure, Paul Mitchell, John Kempen, and Nathan G. Congdon. Prevalence of Age-Related Macular Degeneration in the United States. Archives of Ophthalmology. 2004; 122(4): 564-72. http://www.ncbi.nlm.nih.gov/sites/entrez?db=pubmed&uid=15078675&cmd=showdetailview&indexed=google