Leading Causes of Vision Loss

The Four Most Common Causes of Vision Loss | Sight Connection

http://www.sightconnection.org/mission/

Common Eye Conditions and Causes of Blindness in the United States | National Federation of the Blind

https://nfb.org/images/nfb/publications/books/books1/ifblnd10.htm

Glossary of Eye Conditions | American Foundation for the Blind

http://www.afb.org/info/living-with-vision-loss/eye-conditions/12