Glaucoma is caused by fluid accumulation in the eye, which damages the optic nerve. If left untreated, high eye pressure can permanently damage eyesight. Glaucoma is the second biggest cause of blindness in the world. Treatments — including eyedrops, surgeries, and laser treatments — can slow down vision loss and save your sight. Consult Dr. Iftikhar Chaudhry Hamilton today to learn more.  What is glaucoma?  Glaucoma is an umbrella term that refers to several eye illnesses that cause damage to the optic nerve. It is the most prevalent type of optic nerve injury that results in visual loss. In most...