What is glaucoma and possible symptoms of the disease?
Glaucoma is any of a group of eye diseases that is characterized by abnormally high intraocular fluid pressure, damaged optic disk, hardening of the eyeball, and partial to complete loss of vision. There are three types of glaucoma. Open-angle glaucoma (OAG) This is the most common form of glaucoma. In this type of glaucoma, the optic nerve is slowly damaged and vision loss occurs gradually. This can affect both eyes at once, but one may be worse than the other. There are no warning signs and by the time you notice that your peripheral vision is reduced, permanent damage has already occurred. Closed-angle glaucoma (CAG) Closed-angle glaucoma occurs when the iris and the lens block the movement of fluid between the chambers of the eye, causing pressure to build up and the iris to press on the drainage system of the eye. This may cause sudden episodes of blurred vision with pain and redness, or even nausea or vomiting that lasts a few hours and returns, each time decreasing your field of
