Visual impairment can creep up on you, making it difficult to notice that your eyes are getting worse. So it's a good idea to visit an optician regularly when you get older.
Government facilities in most provinces are unable to meet the demand for cataract surgery, leaving a worrying 290 000 South Africans with the possibility of becoming blind.
Diets heavy in red meat and fatty foods could help spur a leading cause of vision loss in older Americans, new research suggests.
The most common cause of glaucoma is a build-up of pressure from fluid in the eye, which damages the optic nerve that connects the eye to the brain. So, how could air pollution have an effect?