Silver Book Fact
An estimated 1 million Americans over the age of 40 are legally blind.
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/