Glaucoma is a family of more than 30 diseases that affects pressure within the eye (intraocular pressure), and damages the optic nerve. When pressure inside the eye increases, blind spots in peripheral areas of vision may occur. Glaucoma is one of the leading causes of blindness in the United States. Often called the “sneak thief” of sight, most forms of glaucoma do not produce symptoms until vision is already severely damaged. If diagnosed early, the disease can be controlled and permanent vision loss can usually be prevented.
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