Skip to Content
Home > Wellness > Health Library > Signs of Damage Caused by Glaucoma
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.
ByHealthwise StaffPrimary Medical ReviewerAdam Husney, MD - Family MedicineSpecialist Medical ReviewerChristopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
Current as ofAugust 21, 2015
Current as of:
August 21, 2015
Adam Husney, MD - Family Medicine & Christopher J. Rudnisky, MD, MPH, FRCSC - Ophthalmology
To learn more about Healthwise, visit Healthwise.org.
© 1995-2015 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.