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What is Glaucoma? A common condition causing progressive damage to the optic nerve, usually by a fluid build up which increases pressure inside the eye. Glaucoma normally affects people over 40. If left untreated, this can lead to permanent sight loss.

Symptoms. Glaucoma initially affects peripheral vision and this will usually be unnoticed by someone with glaucoma. Therefore, glaucoma is usually detected at first in a routine sight test. More uncommon types of glaucoma can cause symptoms such as acute eye pain, blurred vision, halos around lights, nausea, headaches and red eye.

Risk factors include high eye pressure, suspicious optic nerve appearance, family history, ethnicity ( African, Caribbean, Asian and Hispanic are more at risk), increasing age, poor general health, injury to the eye and prolonged corticosteroid use.

Prevention includes regular eye checks for early detection, regular exercise, a healthy diet and eye protection when necessary.

 It is not currently possible to reverse any damage caused by glaucoma. However, treatment can help to prevent further damage. This includes eye drops, laser treatment and surgery.

Normal Vision Early stage Glaucoma
Advanced Glaucoma Late stages Glaucoma