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					 			      	Glaucoma - MedlinePlus
					 			      	 
 Glaucoma is a group of diseases that can damage the eye's optic nerve. It is a leading cause of blindness in the United States. It usually happens when the fluid pressure inside the eyes slowly rises, damaging the optic nerve. https://medlineplus.gov/glaucoma.html
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					 			      	Glaucoma - NHS Choices
					 			      	 
 Glaucoma is a condition which can affect sight, usually due to build up of pressure within the eye. http://www.nhs.uk/conditions/Glaucoma/Pages/Introduction.aspx
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					 			      	Glaucoma - MedicineNet
					 			      	 
 Glaucoma is a disease that is often associated with elevated intraocular pressure, in which damage to the eye (optic) nerve can lead to loss of vision and even blindness. http://www.medicinenet.com/glaucoma/article.htm
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					 			      	What Is Glaucoma? - Eye M.D.
					 			      	 
 Glaucoma is a disease that damages the eye's optic nerve. http://www.aao.org/eye-health/diseases/what-is-glaucoma
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					 			      	Glaucoma, Getting a Clear View - US News
					 			      	 
 Early detection and treatment are key to protecting eyesight. http://health.usnews.com/health-news/patient-advice/articles/2015/06/22/glaucoma-getting-a-clear-view
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					 			      	Glaucoma, Angle Closure, Acute - Emedicine
					 			      	 
 Angle-closure glaucoma (ACG) is a condition in which the iris is apposed to the trabecular meshwork at the angle of the anterior chamber of the eye. When the iris is pushed or pulled anteriorly to block the trabecular meshwork, the outflow of aqueous from the eye is blocked, which causes a rise in intraocular pressure (IOP). http://emedicine.medscape.com/article/1206956-overview
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					 			      	Frequently Asked Questions - Glaucoma
					 			      	 
 Frequently Asked Questions - American Glaucoma Society http://www.americanglaucomasociety.net/patients/faqs
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					 			      	Glaucoma - What is Glaucoma? - NIH
					 			      	 
 NIHSeniorHealth.gov, NIH Senior Health http://nihseniorhealth.gov/glaucoma/glaucomadefined/01.html
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					 			      	Glaucoma Research Foundation
					 			      	 
 Glaucoma Research Foundation - What is Glaucoma? http://www.glaucoma.org
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					 			      	Glaucoma - American Optometric Association
					 			      	 
 Glaucoma is a group of eye disorders leading to progressive damage to the optic nerve, and is characterized by loss of nerve tissue resulting in loss of vision. http://www.aoa.org/patients-and-public/eye-and-vision-problems/glossary-of-eye-and-vision-conditions/glaucoma?sso=y
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					 			      	Glaucoma - Mayo Clinic
					 			      	 
 Glaucoma - Comprehensive overview covers symptoms, causes, treatment of this eye condition that threatens vision. http://www.mayoclinic.org/diseases-conditions/glaucoma/basics/definition/con-20024042
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					 			      	Glaucoma - Wikipedia, the Free Encyclopedia
					 			      	 
 Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss. A major risk factor is increased pressure in the eye. https://en.wikipedia.org/wiki/Glaucoma
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					 			      	Glaucoma: Symptoms, Treatment and Prevention  - All About vision
					 			      	 
 Dr. Gary Heiting shares vital information about glaucoma, a category of eye disorders associated with eye pressure, including symptoms, types, tests and treatment. http://www.allaboutvision.com/conditions/glaucoma.htm
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					 			      	Glaucoma: Types, Causes, Symptoms - WebMD
					 			      	 
 WebMD explains types, symptoms, risk factors, diagnosis, and treatment of glaucoma, a progressive vision condition that can lead to permanent blindness. http://www.webmd.com/eye-health/glaucoma-eyes
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					 			      	Facts About Glaucoma - National Eye Institute
					 			      	 
 National Eye Institute, NIH, is dedicated to vision research that saves sight & reduces visual impairment & blindness. https://nei.nih.gov/health/glaucoma/glaucoma_facts