Glaucoma occurs in about 2% of the population over 40, even though less frequently it can also affect children and young adults. People with glaucoma usually have slow form of the condition, primary open angle glaucoma (POAG) in which it takes years for it to incur damage to the eye. Many studies have shown that close to over one-third of cases remain undiagnosed. Risk factors for glaucoma include race, age, diabetes, smoking and family history. What actually happens during glaucoma is that the optic nerve suffers damage related to having higher pressures in the eye over a period of time. The optic nerve is sort of like a fiber optic cable that connects the eye to the brain. It carries a lot of information to the brain related to vision. Typically in glaucoma, the optic nerve damage causes  loss of peripheral vision that varies in from patient to patient. Eventually, if not treated, the loss of vision usually gets worse over the course of many months to years. It is very importa