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All forms of
glaucoma cause the same characteristic changes in the
optic nerve, at the back of the eye, and the nerve fibers. Glaucoma causes
changes in the appearance of the
optic disc (notching or thinning of the edge) and
changes in the nerve fiber layer (fiber defects). Tiny amounts of bleeding
(hemorrhages) near the optic disc may represent ongoing damage from the
Other findings are used to determine how bad the disease is.
Doctors classify the severity of glaucoma in the following
The two basic types of glaucoma differ in relation to the cause of
the optic nerve damage. A simple test (gonioscopy) can help your doctor know what type of
glaucoma may be present. Treatment is based on the type of glaucoma.
Current as of:
June 4, 2014
Adam Husney, MD - Family Medicine & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
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