3 links
Braille Bug
afb.org
Learn all about Braille, its creator, and Helen Keller. Includes games, activities and codes.
MedlinePlus: Blindness
nlm.nih.gov
Learn what it is, leading causes in the United States and around the world, and when to see a doctor.
Questions From Kids About Blindness
nfb.org
Answers how blind people shop, know when to cross the street, and identify their clothes.