what is gloucoma
Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss. A major risk factor is increased pressure in the eye.The disorders can be roughly divided into two main categories:  open-angle  and  closed-angle  (or  angle closure ) glaucoma.laucoma is a group of eye diseases which result in damage to the optic nerve and vision loss. A major risk factor is increased pressure in the eye.