Blindness is the inability to see or a significant lack of vision. In severe cases, it means being unable to perceive even light. This condition cannot be corrected with eyeglasses, contact lenses, eye drops, or surgery.
Blindness is the inability to see or a significant lack of vision. In severe cases, it means being unable to perceive even light. This condition cannot be corrected with eyeglasses, contact lenses, eye drops, or surgery.