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(Chronic Glaucoma; Glaucoma)
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- Family history of glaucoma
- Glaucoma in one eye—This increases the risk of developing glaucoma in the other eye.
- Increased intraocular pressure
- High blood pressure
- Injury to the eye
- Certain eye abnormalities, such as 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—the use of a low-power microscope combined with a high-intensity light source, allows a narrow beam that can be focused to examine the front of the eye
- Photographs of the optic nerve
- Gonioscopy—to examine the outflow channels of the angle
- 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
Glaucoma Research Society of Canada http://www.glaucomaresearch.ca
The Canadian Ophthalmological Society http://www.cos-sco.ca
Distelhorst J, Hughes G. Open-angle glaucoma. Am Fam Physician . 2003;67(9):1937-1944.
Facts about glaucoma. National Eye Institute website. Available at: http://www.nei.nih.gov/health/glaucoma/glaucoma%5Ffacts.asp . Accessed July 16, 2013.
Open-angle glaucoma. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed/what.php . Updated June 6, 2013. Accessed July 16, 2013.
Vision screening recommendations for adults 40 to 60. American Academy of Ophthalmology Eye Smart website. Available at: http://www.geteyesmart.org/eyesmart/living/midlife-adults-screening.cfm . Accessed July 16, 2013.
Vision screening recommendations for adults over 60. American Academy of Ophthalmology Eye Smart website. Available at: http://www.geteyesmart.org/eyesmart/living/seniors-screening.cfm . Accessed July 16, 2013.
Vision screening recommendations for adults under 40. American Academy of Ophthalmology Eye Smart website. Available at: http://www.geteyesmart.org/eyesmart/living/young-adults-screening.cfm . Accessed July 16, 2013.
Weinreb RN, Khaw PT. Primary open-angle glaucoma. Lancet . 2004;363:1711.
What is glaucoma? American Academy of Ophthalmology website. Available at: http://www.geteyesmart.org/eyesmart/diseases/glaucoma.cfm . Accessed July 16, 2013.
What is glaucoma? Glaucoma Research Foundation website. Available at: http://www.glaucoma.org/glaucoma . Accessed July 16, 2013.
- Reviewer: Christopher Cheyer, MD; Brian Randall, MD
- Review Date: 07/2013
- Update Date: 05/11/2013