Overview
Cataract
A cataract is defined as a progressive opacity or clouding of the eye lens that eventually leads to blindness. It is the leading cause of blindness in the world.
more »Childhood Blindness
Childhood blindness is a general term used to embrace all cases of blindness in children. The main cause of childhood blindness is xerophthalmia, an eye disease caused by vitamin A deficiency.
more »Ocular Injuries
Injuries may involve foreign bodies being on or in the eye. Depending on the severity and the kind of the injury, it may affect vision and may occasionally lead to permanent loss of vision.
more »Age-related Macular Degeneration
Age-related macular degeneration is an eye condition that progressively damages the macula - the area of the retina responsible for central and colour vision.
more »Diabetic Retinopathy
Diabetic retinopathy describes an eye condition that damages the small blood vessels that nourish the retina. This may lead to poor vision and even blindness. Approximately 20% of people with diabetes have some degree of diabetic retinopathy.
more »Glaucoma
Glaucoma is a group of complex eye diseases, all of which involve progressive damage to the optic nerve. Affected people feel like they are looking through a tunnel that becomes increasingly narrower.
more »Trachoma
Trachoma is a bacterial infection of the eye. If untreated, the infection leads to conjunctival scarring and the inversion of the eyelashes. This causes scarring of the cornea and leads to incurable blindness.
more »River Blindness
River blindness (onchocerciasis) is a worm infection. Parasitic worms are transmitted to humans through the bite of the simulium fly and migrate into the eye where they destroy the optic nerve.
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