What causes vision loss and blindness?
There are many causes of vision loss and blindness. Some vision impairment and blindness is congenital (from birth, or onset during the pre-school years). However, most vision-impaired and blind people lose their sight in later years, some through accidents. The most common causes of vision loss and blindness are age-related macular degeneration, glaucoma, cataracts, and diabetic retinopathy.
