Mutual support groups whose members are people who have specific disabilities, illnesses or other health conditions, their families and friends. The groups meet in-person, by telephone or via the Internet; and provide an opportunity for participants to share information, resources, practical tips for daily living and encouragement about issues related to the disability or health problem.

Eye, optic nerve or brain malfunctions which prevent affected individuals from seeing normally. Eye disorders that can lead to visual impairments include retinal degeneration, albinism, cataracts, glaucoma, muscular problems that result in visual disturbances, corneal disorders, diabetic retinopathy, congenital disorders and infection.

A condition in which affected individuals are totally blind and cannot see or are legally blind and have central visual acuity of 20/200 or less in the better eye with maximal correction, or a peripheral field of vision that is so contracted that its widest diameter subtends an angle no greater than 20 degrees.