Definition of Blindness

1. Eye Diseases and Conditions Slideshow Pictures
2. Pink Eye Slideshow Pictures
3. Laser Eye Surgery Slideshow Pictures

Blindness: Loss of useful sight. Blindness can be temporary or permanent. Damage to any portion of the eye, the optic nerve, or the area of the brain responsible for vision can lead to blindness. There are numerous (actually, innumerable) causes of blindness. The current politically correct terms for blindness include visually handicapped and visually challenged.