Silver Book Fact
More than 1 million Americans ages 40-49 are estimated to have diabetic retinopathy. That grows to close to 2 million at ages 65-74.
Prevent Blindness America. Vision Problems in the U.S.: Prevalence of adult vision impairment and age-related eye disease in the U.S.. Chicago: IL: Prevent Blindness America; 2012. http://www.visionproblemsus.org/