glaucoma awareness: protecting your precious vision
TRANSCRIPT
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Glaucoma Awareness: Protecting Your Precious
Vision
Presented by:Hamed B. Lari MDJanuary 5, 2017
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Anatomy of the Eye
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Visual Pathway
www.neuroanthropology.net
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Glaucoma• Glaucoma causes damage to your eye's optic
nerve and gets worse over time.
• Glaucoma is often associated with a buildup of pressure inside the eye. Glaucoma tends to be inherited and may not show up until later in life.
• If damage to the optic nerve from high eye pressure continues, glaucoma will cause permanent loss of vision.
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Glaucoma
The increase in the eye pressure will damage the optic nerve
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Optic Nerve Damage
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Eye Pressure
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Glaucoma is a Blinding Disease• Glaucoma is a leading causes of adult
blindness in the US. The national rate is 1.9% for the U.S. population age 40 and older.
• If damage to the optic nerve from high eye pressure continues, glaucoma will cause permanent loss of vision.
• Without treatment, glaucoma can cause total permanent blindness within a few years.
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Glaucoma Vision Loss
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Who is at Risk?
• People over the age of 50• People with hypertension• People with a family history of glaucoma• Very near-sighted people• African-Americans• People on corticosteroids• Diabetics• People who have had a serious eye injury
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What are the Symptoms of Glaucoma?
• Seeing halos around lights• Vision loss• Redness in the eye• Eye that looks hazy • Nausea or vomiting• Pain in the eye• Narrowing of vision (tunnel vision)
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How is Glaucoma Diagnosed?
• Eye exam• Eye pressure• Side vision test• Optic nerve test• Glaucoma tests are painless and take very
little time.
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Treatment• Medications: eye drops
To reduce the formation of fluid in the front of the eye or increase its outflow.
• Laser Surgery: trabeculoplasty, iridotomy, & cyclophotocoagulation
• Microsurgery: Trabeculectomy, Glaucoma drainage implants (GDI), etc.
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Trabeculectomy
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Glaucoma Drainage Implants
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Summary
• Glaucoma is a very common cause of blindness and visual impairment worldwide
• Clinical examination with visual field testing and optic nerve imaging can identify patients with optic nerve damage
• Early treatment, before development of advanced optic nerve damage is crucial
• Glaucoma cannot be prevented, but if it is diagnosed and treated early, the disease can be controlled
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Questions?
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References • American Academy of Ophthalmology; www.aao.org.• The Eye Diseases Prevalence Research Group, Arch
Ophthalmol. 2004; Prevent Blindness America; • National Institutes of Health; Quigley and Vitale, Invest
Ophthalmol Vis Sci. 1997;• http://www.webmd.com/eye-health/glaucoma-eyes• The Salisbury Eye Evaluation Study, Arch Ophthalmol 2000; • Center for Disease Control and Prevention/National Center for
Health Statistics, 2010 & 1995; (8)• NEI, Report of the Glaucoma Panel, Fall 1998