What is Glaucoma?
Glaucoma, one of the leading causes of blindness worldwide is an eye disease in which the optic nerve is damaged, leading to permanent vision loss. Usually (but not always) the damage occurs when the eye's internal fluid pressure rises too high. It is often referred to as a “silent killer” as it does not manifest any symptoms until extensive peripheral visual loss becomes apparent in the final stages of the disease. Most varieties of glaucoma are chronic, virtually lifelong…