Glaucoma is one the leading causes of blindness in the United States. In glaucoma, the optic nerve (the nerve that connects the eyeball to the brain) deteriorates and is frequently associated with abnormally high eye pressure. Generally speaking, glaucoma becomes more prevalent with age, although glaucoma can affect all age groups. If left untreated, glaucoma can lead to severe loss of vision and in some, to blindness.
Glaucoma comes in two different main types: open-angle glaucoma and angle-closure glaucoma, with open angle glaucoma being more common by far. Angle is part of the eye that drains the fluid from inside the eye out in order to maintain the eye pressure in the normal range. In open-angle glaucoma, as the name implies, the angle of the eye is open, but the eye pressure has become elevated to the point of damaging the optic nerve. In contrast, in angle-closure glaucoma, the angle is closed and the fluid inside the eye cannot be drained, resulting in abnormally high eye pressure. The management of glaucoma depends on its type. To read more about the treatment options available click here.