Health Tip: Causes of Blindness
Many diseases or injury can rob one's ability to see
(HealthDay News) -- Blindness can be caused by a host of diseases and conditions, including diabetes, glaucoma, cataracts, vitamin A deficiency, leprosy, trachoma and river blindness (onchocerciasis).
The U.S. National Library of Medicine says these additional factors can lead to blindness:
- Injury to the eye, including from chemical burns, contact with a sharp or blunt object or fireworks.
- Blocked blood vessels.
- Complications from eye surgery or premature birth.
- Conditions like Tay-Sachs disease, optic neuritis, retinitis pigmentosa, retinoblastoma and optic glioma.
- Lead poisoning.