Braille
guide dog
A computer user.
A person who cannot see is called a blind person.
People who have Cancer are called .... People with Cancer ... there is no special term!
"if you drink it you'll go blind, surly this test isn't used very often so you can call it special :)" Yes, but only in a pretty high concentration or if you chronically ingest it.
The Braille alphabet. The blind are able to feel the bumps for each letter.
Shot guns usually people hide in a blind and call them in
People who travel to places special to their religions are pilgrims, because they go on pilgramages.
Most people call them Seeing Eye dogs or guide dogs for the blind. Actually the Seeing Eye is one particular organization; there are several organizations that provide guide dogs for the blind and other types of assistance dogs also.
Protanopes or deutanopes, depending on whether they are red/green or blue/yellow insensitive.
A group of people call the socs.
steve