{"id":10747,"date":"2021-04-13T07:24:48","date_gmt":"2021-04-13T07:24:48","guid":{"rendered":"https:\/\/www.optometrists.org\/?page_id=10747"},"modified":"2021-12-07T10:07:17","modified_gmt":"2021-12-07T10:07:17","slug":"glaucoma-what-are-the-signs","status":"publish","type":"page","link":"https:\/\/www.optometrists.org\/general-practice-optometry\/guide-to-eye-conditions\/glaucoma-guide\/glaucoma-what-are-the-signs\/","title":{"rendered":"Glaucoma: What are the Signs?"},"content":{"rendered":"<h2><b>Did you know about 3 million people in the U.S. are affected by glaucoma, but only half are aware they have it?<\/b><\/h2>\n<p>Over 90% of people with glaucoma have open-angle glaucoma (OAG), which has no obvious symptoms until it causes irreversible damage.<\/p>\n<p><a href=\"https:\/\/www.optometrists.org\/general-practice-optometry\/eye-conditions\/glaucoma-guide\/glaucoma-the-silent-thief-of-sight\/\">Glaucoma<\/a> is one of the leading causes of preventable vision loss and blindness.<\/p>\n<p><b>By the time obvious symptoms appear, a person has already already suffered irreversible vision loss.<\/b><\/p>\n<p>Glaucoma is a group of progressive eye diseases caused by increased pressure in the eye that damages the optic nerve. It is one of the leading causes of preventable vision loss and blindness.<\/p>\n<p><a href=\"https:\/\/www.optometrists.org\/practice-search\/\"><b>Schedule an eye exam<\/b><\/a> with an eye doctor near you who can diagnose and manage your glaucoma.<\/p>\n<p><strong>SEE RELATED: <\/strong><a href=\"https:\/\/www.optometrists.org\/general-practice-optometry\/eye-conditions\/glaucoma-guide\/how-is-glaucoma-treated\/\">How Is Glaucoma Treated?<\/a><\/p>\n\n\t<div class=\"practice-search-widget\">\n\t\t<h3>Find an eye doctor near you<\/h3>\n\t\t\n\t<form class=\"practice-search-form practice-search-form-widget\" action=\"https:\/\/www.optometrists.org\/practice-search\/results\/\" method=\"get\">\n\n\t\t<input type=\"hidden\" name=\"distance\" value=\"100\" class=\"practice-search-distance\">\n\t\t<input type=\"hidden\" name=\"page\" class=\"practice-search-page\">\n\t\t<input type=\"hidden\" name=\"address_latitude\"><input type=\"hidden\" name=\"address_longitude\">\n\n\t\t<input type=\"text\" name=\"address\" class=\"practice-search-address\" placeholder=\"City, Surburb or Address\" value=\"\">\n\n\t\t\n\t\t\t<input type=\"hidden\" name=\"distance\" value=\"100\" class=\"practice-search-distance\">\n\n\t\t\n\n\t\t<button type=\"submit\" class=\"practice-search-button\">\n\t\t\t\t\t\t\t\t\t<svg width=\"19\" height=\"19\" viewBox=\"0 0 19 19\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M10.6796 0.130005C9.15708 0.130059 7.66615 0.5646 6.38198 1.38258C5.09781 2.20057 4.07373 3.36803 3.43004 4.74783C2.78634 6.12763 2.54976 7.66246 2.74808 9.17205C2.9464 10.6816 3.57139 12.1033 4.54964 13.27L0.729639 17.08C0.6364 17.1732 0.562439 17.2839 0.511979 17.4058C0.461519 17.5276 0.435547 17.6581 0.435547 17.79C0.435547 17.9219 0.461519 18.0524 0.511979 18.1743C0.562439 18.2961 0.6364 18.4068 0.729639 18.5C0.917942 18.6883 1.17334 18.7941 1.43964 18.7941C1.5715 18.7941 1.70207 18.7681 1.82389 18.7177C1.94571 18.6672 2.0564 18.5932 2.14964 18.5L5.99964 14.62C7.35406 15.6038 8.98566 16.1324 10.6596 16.13C12.7814 16.13 14.8162 15.2871 16.3165 13.7869C17.8168 12.2866 18.6596 10.2517 18.6596 8.13C18.6596 6.00827 17.8168 3.97344 16.3165 2.47315C14.8162 0.97286 12.7814 0.130005 10.6596 0.130005H10.6796ZM10.6796 14.13C9.49295 14.13 8.33291 13.7781 7.34622 13.1188C6.35952 12.4595 5.59049 11.5225 5.13636 10.4261C4.68224 9.32975 4.56342 8.12335 4.79493 6.95946C5.02644 5.79558 5.59788 4.72648 6.437 3.88736C7.27611 3.04825 8.34521 2.4768 9.5091 2.24529C10.673 2.01378 11.8794 2.1326 12.9757 2.58673C14.0721 3.04085 15.0092 3.80989 15.6685 4.79658C16.3277 5.78328 16.6796 6.94332 16.6796 8.13C16.6796 9.7213 16.0475 11.2474 14.9223 12.3726C13.7971 13.4979 12.2709 14.13 10.6796 14.13Z\" fill=\"#fff\"\/><\/svg>\n\t\t\t\t\t<\/button>\n\n\t\t<button type=\"button\" class=\"practice-search-use-my-location\">\n\t\t\tSearch near me\n\t\t<\/button>\n\n\n\t<\/form>\n\n\n\n\t\t<\/div>\n\n\t\n<h2><b>What are the first signs and symptoms of glaucoma?<\/b><\/h2>\n<p>The different types of glaucoma present themselves in very different ways. Sometimes there are no symptoms at all.<\/p>\n<ul>\n<li aria-level=\"1\">\n<h3><b><a href=\"https:\/\/www.optometrists.org\/general-practice-optometry\/eye-conditions\/glaucoma-guide\/glaucoma-faqs\/what-is-open-angle-glaucoma\/\">Open-angle glaucoma<\/a> (OAG)<\/b><\/h3>\n<\/li>\n<\/ul>\n<p>When fluid inside the eye does not properly drain out of the eye, the volume of fluid and pressure inside the eye increase, causing permanent and damage to the optic nerve.<\/p>\n<p>This type of glaucoma unfolds gradually and painlessly,\u00a0 without apparent symptoms, until vision loss reveals severe damage to the optic nerve. This is the reason why more than 50% of people with OAG suffer permanent vision loss.<\/p>\n<p><b>Regular comprehensive eye exams are crucial, as there are often no obvious signs of glaucoma, until its too late.<\/b><\/p>\n<ul>\n<li aria-level=\"1\">\n<h3><b><a href=\"https:\/\/www.optometrists.org\/general-practice-optometry\/eye-conditions\/glaucoma-guide\/glaucoma-faqs\/what-is-angle-closure-glaucoma\/\">Acute angle-closure glaucoma<\/a> (ACG)<\/b><\/h3>\n<\/li>\n<\/ul>\n<p>When the eye\u2019s drainage channel is blocked by the iris, it causes eye pressure to increase very quickly. This is known as acute angle-closure glaucoma, also called narrow-angle glaucoma and closed-angle glaucoma.<\/p>\n<p><b>If not treated immediately, the sudden surge in eye pressure can damage the optic nerve and cause permanent vision loss<\/b>.<\/p>\n<p>If you or your loved one experience any of the following signs or symptoms, <b>contact an eye doctor immediately<\/b>.<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Sudden pain in the head and eye<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Blurred vision that occurs suddenly<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">An eye that looks hazy, with a cloudy looking cornea<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Sudden headache around the forehead or eyes<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Vomiting and nausea accompanied by severe eye pain<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Tunnel vision, vision loss around the edges of your visual field<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Redness in the eye, sometimes accompanied by pain<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Vision loss, especially if it happens suddenly<\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">Seeing halos around lights<\/li>\n<\/ul>\n<h2><b>Diagnosing Glaucoma<\/b><\/h2>\n<p><b>Through regular eye exams an eye doctor can detect <a href=\"https:\/\/www.optometrists.org\/general-practice-optometry\/eye-conditions\/glaucoma-guide\/glaucoma-the-silent-thief-of-sight\/\">glaucoma<\/a> early and will be able to start treatment to stop or slow it\u2019s progression<\/b>.<\/p>\n<p>During the exam your eye doctor will dilate your pupils to measure your intraocular pressure (IOP) and examine the condition of your optic nerve to make sure your levels are in the normal range. If your pressure levels are too high, your eye doctor will assess whether you have glaucoma. Diagnosing glaucoma early can help prevent vision loss.<\/p>\n<p>A visual field test checks your peripheral vision to determine if the optic nerve is functioning correctly.<\/p>\n<p><a href=\"https:\/\/www.optometrists.org\/practice-search\/\">An eye doctor<\/a> will most likely use the latest imaging technologies, such as a digital retinal image (DRI) or an OCT scan.<\/p>\n<p>The DRI provides a photograph of the optic nerve and retina, and the OCT scan analyzes the layers of the retina and optic nerve. Both of these technologies allow the eye doctor to discover the first signs of eye disease and <a href=\"https:\/\/www.optometrists.org\/general-practice-optometry\/eye-conditions\/glaucoma-guide\/how-is-glaucoma-treated\/\">provide treatment<\/a> that might just save your vision.<\/p>\n<p><strong>LEARN MORE:\u00a0<\/strong>\u00a0<a href=\"https:\/\/www.optometrists.org\/general-practice-optometry\/eye-conditions\/\">Guide to Eye Conditions<\/a><\/p>\n<p>If you suspect that you may have glaucoma <a href=\"https:\/\/www.optometrists.org\/practice-search\/\"><b>contact an eye doctor near you<\/b><\/a> to schedule an appointment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Did you know about 3 million people in the U.S. are affected by glaucoma, but only half are aware they have it? Over 90% of<\/p>\n","protected":false},"author":4,"featured_media":10748,"parent":12339,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-article.php","meta":{"footnotes":""},"categories":[],"tags":[228,274,204,147,241,374,301,299],"class_list":["post-10747","page","type-page","status-publish","has-post-thumbnail","hentry","tag-cornea","tag-dry-eye","tag-eye-drops","tag-eye-exam","tag-glaucoma","tag-glaucoma-treatment","tag-tunnel-vision","tag-vision-loss"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Glaucoma: What are the Signs? - Optometrists.org<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.optometrists.org\/general-practice-optometry\/guide-to-eye-conditions\/glaucoma-guide\/glaucoma-what-are-the-signs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Glaucoma: What are the Signs? - Optometrists.org\" \/>\n<meta property=\"og:description\" content=\"Did you know about 3 million people in the U.S. are affected by glaucoma, but only half are aware they have it? 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