Blindness

 Blindness

Condition of lacking visual perception due to physiological or neurological factor.

Loss of vision that can't corrected with glass or contact lens.

1. Partial blindness; very limited vision 

2. Complete blindness; cannot see anything

Causes

Cataract

Glaucoma

Trachoma

Age related macular degeneration

Corneal opacity

Diabetic Retinopathy

Stroke (CVA)

Accident

Vitamin A deficiency

Optic neuritis

Retinitis pigmentosa and retinoblastoma