What makes you blind?
1. Eye diseases: Certain eye diseases, such as glaucoma, cataracts, and age-related macular degeneration, can damage the structures of the eye and lead to blindness.
2. Trauma: Severe eye injuries, such as those caused by accidents, sports, or violence, can damage the eye's structures and lead to blindness.
3. Genetic disorders: Some genetic disorders, such as retinitis pigmentosa and Leber's congenital amaurosis, can cause progressive vision loss and eventually lead to blindness.
4. Nutritional deficiencies: Severe deficiencies of certain nutrients, such as vitamin A and zinc, can damage the eye's structures and lead to blindness.
5. Toxins and chemicals: Exposure to certain toxins and chemicals, such as methanol and lead, can damage the optic nerve and cause blindness.
6. Neurological conditions: Some neurological conditions, such as multiple sclerosis and Parkinson's disease, can affect the optic nerve and cause vision loss and blindness.
7. Diabetes: Diabetic retinopathy, a complication of diabetes, can damage the blood vessels in the retina and lead to blindness.
8. Tumors: Tumors that grow in or around the eye, such as retinoblastoma, can obstruct vision and lead to blindness.
It's important to note that blindness is not always complete and can vary in severity from mild vision loss to total blindness. If you experience any sudden or significant changes in your vision, it's important to see an eye doctor for evaluation and treatment. Early detection and intervention can help prevent or slow the progression of blindness in many cases.