Glaucoma: Types
There are two major types of glaucoma: chronic, or primary open-angle glaucoma (POAG), and acute closed-angle glaucoma.
- Chronic: Open-angle glaucoma damages the eye with no warning signs. It is the most common type of glaucoma and is often referred to as the “silent type.” Damage occurs over time, usually without notice.
- Acute closed-angle glaucoma: Closed-angle glaucoma happens quickly. An “attack” may produce a red, painful eye and symptoms such as facial pain, headache, blurry vision, rainbow-colored haloes around lights, nausea and vomiting. It is a severe medical em



