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Glaucoma is a group of diseases that damage the eye's optic nerve and results in vision loss and irreversible blindness in some people. The diseases usually occur on their own but when they are caused by other conditions they are known as secondary glaucoma.NEXT ARTICLE
Ophthalmology is the branch of medicine that is devoted to the study and treatment of eye diseases. As well as mild visual defects correctable by lenses, ophthalmology is concerned with glaucoma, uveitis and other serious conditions affecting the eye, ...