Glaucoma
Glaucoma is a serious eye condition where the optic nerve is damaged at the point where it leaves the eye. The nerve carries information from the retina at the back of the eye to the brain where it is perceived as a picture. The eyeball needs to be under pressure to keep its shape to work properly. For some, glaucoma damage is caused by raised eye pressure, while others may have normal eye pressure, but damage occurs because the optic nerve is weak. Both factors are involved in glaucoma, which can eventually lead to blindness.
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