Both genetic factors and diseases can cause blindness

Blindness among Infants: over 60% of cases are caused by inherited eye diseases, such as congenital cataracts, congenital glaucoma, retinal degeneration, optic atrophy and eye malformations.

Leading causes of blindness among Adults: glaucoma and age-related macular degeneration. A large portion of cases appear to be inherited. Researchers have mapped several genes for glaucoma and are starting to identify genes involved in macular degeneration.

Related Complications of Other Diseases

- Diabetes

- High blood pressure (Hypertension)

- Eye injuries

- Lyme Disease 

- and many others