Silver Book Fact
Low vision or blindness affects 1 in 28 Americans over the age of 40– 3.3 million Americans.
Congdon N, O'Colmain B, Klaver C, Klein R, et al. Causes and Prevalence of Visual Impairment Among Adults in the United States. Archives of Ophthalmology. 2004; 122(4): 477-85. https://pubmed.ncbi.nlm.nih.gov/15078664/