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Glaucoma - Symptoms and causes - Mayo Clinic
https://www.mayoclinic.org/diseases-conditions/glaucoma/symptoms-causes/syc-20372839
WEBThe optic nerve sends visual information from your eye to your brain and is vital for good vision. Damage to the optic nerve is often related to high pressure in your eye. But glaucoma can happen even with normal eye pressure. Glaucoma can occur at any age but is more common in older adults.
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How Glaucoma Affects the Optic Nerve
https://glaucoma.org/articles/how-glaucoma-affects-the-optic-nerve
WEBHow is optic nerve damage detected? The normal cup to disc ratio (the diameter of the cup divided by the diameter of the whole nerve head or disc) is about 1/3 or 0.3. There is some normal variation here, with some people having almost no cup (thus having 1/10 or 0.1), and others having 4/5ths or 0.8 as a cup to disc ratio.
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Glaucoma and the Optic Nerve: Cupping and Progressive Effects
https://www.healthline.com/health/eye-health/glaucoma-optic-nerve
WEBSep 12, 2023 · Normal-tension glaucoma may cause blind spots and optic nerve damage. With closed-angle glaucoma, early symptoms may include: blurred vision; halos around light sources; mild headaches;...
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Glaucoma: Symptoms, Causes, Types & Treatment - Cleveland Clinic
https://my.clevelandclinic.org/health/diseases/4212-glaucoma
WEBNov 18, 2022 · As many as 1 in 3 people have optic nerve damage even when eye pressure is normal or not very high. Experts are uncertain about what causes normal-tension glaucoma. Another name for this type is normal-pressure or …
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Glaucoma Tests: What To Expect & How To Interpret Results
https://my.clevelandclinic.org/health/diagnostics/22514-glaucoma-tests
WEBOverview. What are glaucoma tests? Glaucoma includes a group of eye problems that can damage your optic nerve. If a healthcare provider suspects you have glaucoma, you might need certain tests like: Eye angle exam. Corneal thickness measurement. Dilated eye exam. Eye pressure check. Optic nerve imaging. Visual field test. Advertisement.
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Types of Glaucoma | National Eye Institute
https://www.nei.nih.gov/learn-about-eye-health/eye-conditions-and-diseases/glaucoma/types-glaucoma
WEBSep 10, 2021 · Glaucoma is a group of eye diseases that can cause vision loss and blindness by damaging a nerve in the back of your eye called the optic nerve. Each type of glaucoma is different, but most have no early symptoms — so it’s important to get tested regularly, especially if you’re at higher risk. Learn more about glaucoma. Primary …
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Normal Tension Glaucoma - Glaucoma Research Foundation
https://glaucoma.org/types/normal-tension-glaucoma
WEBIn normal-tension glaucoma, the optic nerve gets damaged even though the eye pressure is within a normal range. Also called low-tension or normal-pressure glaucoma, normal-tension glaucoma (NTG) is a condition in which the optic nerve is damaged without eye pressure exceeding the average range (usually between 12 …
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Glaucoma: What You Should Know - National Eye Institute
https://www.nei.nih.gov/sites/default/files/health-pdfs/webGLAUC.pdf
WEB1. How does the optic nerve get damaged by open-angle glaucoma? Several large studies have shown that eye pressure is a major risk factor for optic nerve damage. In the front of the eye is a space called the anterior chamber. A clear fluid flows continuously in and out of the chamber and nourishes nearby tissues.
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Glaucoma: What You Need to Know - National Eye Institute
https://www.nei.nih.gov/sites/default/files/2023-08/Glaucoma_WhatYouNeedToKnow_508c.pdf
WEB• Glaucoma is a group of eye diseases that can cause vision loss and blindness by damaging a nerve in the back of your eye called the optic nerve. • The symptoms can start so slowly that you may not notice them. The only way to find out if you have glaucoma is to get a dilated eye exam.
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What Is Glaucoma? Symptoms, Causes, Diagnosis, Treatment
https://www.aao.org/eye-health/diseases/what-is-glaucoma
WEBPublished Dec. 04, 2023. Glaucoma is a disease that damages your eye’s optic nerve. It usually happens when fluid builds up in the front part of your eye. That extra fluid increases the pressure in your eye, damaging the optic nerve. In this article: Video: What Is Glaucoma? What Causes Glaucoma? Types of Glaucoma.
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