Silver Book Fact
An estimated 4,195,966 Americans age 40 and older have vision impairment and blindness—1,288,275 are blind and 2,907,691 have vision impairment.
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/