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- Older age—Aging may cause the aqueous humor to drain or be absorbed less efficiently.
- Family history of glaucoma
- Glaucoma in one eye—This increases the risk of developing glaucoma in the other eye.
- Increased intraocular pressure (pressure inside the eye)
- Ethnic background—African Americans and Hispanics are at a greater risk of glaucoma.
- Injury to the eye
- Certain eye abnormalities (eg, congenital defects)
- Loss of peripheral vision
- Tunnel vision
- Eye exam with pupil dilation
- Tonometry —a test to determine intraocular pressure
- Visual field test to determine vision loss
- Slit lamp examination
- Photographs of the optic nerve
- Examining the outflow channels of the angle (gonioscopy)
- Analysis of the nerve fiber layer around the optic nerve
- Medications—Eye drops, and rarely pills, are often administered to reduce intraocular pressure.
- Laser treatment—Laser treatment may be used to reduce intraocular pressure in some people.
- Surgery—Surgery may be done to open a new outflow channel from the eye.
The Glaucoma Foundation http://www.glaucomafoundation.org/
Glaucoma Research Foundation http://www.glaucoma.org/index.php/
Glaucoma Canada http://www.glaucomacanada.com/
Health Canada http://www.hc-sc.gc.ca/index%5Fe.html/
Distelhorst J, Hughes G. Open-angle glaucoma. Am Fam Physician. 2003;67.
DynaMed Editorial Team. Glaucoma. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what.php . Updated October 25, 2010. Accessed November 10, 2010.
Medhelp. Facts about open-angle glaucoma. Medhelp website. Available at: http://www.medhelp.org/NIHlib/GF-21.html#5 . Accessed June 27, 2007.
World Health Organization. Blindness. World Health Organization website. Available at: http://www.who.int/topics/blindness/en/ . Accessed November 10, 2010.
- Reviewer: Christopher Cheyer, MD
- Update Date: 09/01/2011 -