Silver Book Fact
In one study, individuals age 80 and older made up 8% of the population, yet accounted for 69% of cases of blindness.
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/