{"id":1337,"date":"2017-12-29T12:51:57","date_gmt":"2017-12-29T12:51:57","guid":{"rendered":"https:\/\/www.imo.ptgdx\/"},"modified":"2019-05-28T15:27:49","modified_gmt":"2019-05-28T14:27:49","slug":"gdx","status":"publish","type":"page","link":"https:\/\/www.imo.pt\/en\/exames\/gdx\/","title":{"rendered":"GDX"},"content":{"rendered":"<p>Scanning Laser Polarimetry (SLP) uses the birefringent properties of the nerve fiber layer, which modifies the polarization of light when illuminated. This change is proportional to the thickness of the birefringent tissue, thus allowing a quantitative and objective measurement of the thickness of the nerve fiber layer of the retina in the region surrounding the optical disc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scanning Laser Polarimetry (SLP) uses the birefringent properties of the nerve fiber layer, which modifies the polarization of light when illuminated. This change is proportional to the thickness of the birefringent tissue, thus allowing a quantitative and objective measurement of the thickness of the nerve fiber layer of the retina in the region surrounding the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2196,"parent":1777,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1337","page","type-page","status-publish","has-post-thumbnail","hentry","category-exams-en"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.imo.pt\/en\/exames\/gdx\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\n\t\t<!-- Google tag (gtag.js) --> <script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=AW-818670356\"><\/script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'AW-818670356'); <\/script>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"IMO\" \/>\n\t\t<meta property=\"og:type\" content=\"activity\" \/>\n\t\t<meta property=\"og:title\" content=\"GDX\" \/>\n\t\t<meta property=\"og:description\" content=\"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.imo.pt\/en\/exames\/gdx\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.imo.pt\/wp-content\/uploads\/2019\/05\/gdx1-web.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.imo.pt\/wp-content\/uploads\/2019\/05\/gdx1-web.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"GDX\" \/>\n\t\t<meta name=\"twitter:description\" content=\"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.imo.pt\/wp-content\/uploads\/2019\/05\/gdx1-web.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/gdx\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/#listItem\",\"position\":1,\"name\":\"In\\u00edcio\",\"item\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/#listItem\",\"name\":\"Exams\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/#listItem\",\"position\":2,\"name\":\"Exams\",\"item\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/gdx\\\/#listItem\",\"name\":\"GDX\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/#listItem\",\"name\":\"In\\u00edcio\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/gdx\\\/#listItem\",\"position\":3,\"name\":\"GDX\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/#listItem\",\"name\":\"Exams\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/#organization\",\"name\":\"IMO\",\"description\":\"Instituto de Microcirurgia Ocular\",\"url\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/gdx\\\/#webpage\",\"url\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/gdx\\\/\",\"name\":\"GDX\",\"description\":\"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/gdx\\\/#breadcrumblist\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.imo.pt\\\/wp-content\\\/uploads\\\/2019\\\/05\\\/gdx1-web.jpg\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/gdx\\\/#mainImage\",\"width\":1000,\"height\":667},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/exames\\\/gdx\\\/#mainImage\"},\"datePublished\":\"2017-12-29T12:51:57+00:00\",\"dateModified\":\"2019-05-28T15:27:49+01:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/\",\"name\":\"IMO\",\"description\":\"Instituto de Microcirurgia Ocular\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.imo.pt\\\/en\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"GDX","description":"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.","canonical_url":"https:\/\/www.imo.pt\/en\/exames\/gdx\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":"&lt;!-- Google tag (gtag.js) --&gt; &lt;script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=AW-818670356\"&gt;&lt;\/script&gt; &lt;script&gt; window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'AW-818670356'); &lt;\/script&gt;"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/www.imo.pt\/en\/exames\/gdx\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/www.imo.pt\/en\/#listItem","position":1,"name":"In\u00edcio","item":"https:\/\/www.imo.pt\/en\/","nextItem":{"@type":"ListItem","@id":"https:\/\/www.imo.pt\/en\/exames\/#listItem","name":"Exams"}},{"@type":"ListItem","@id":"https:\/\/www.imo.pt\/en\/exames\/#listItem","position":2,"name":"Exams","item":"https:\/\/www.imo.pt\/en\/exames\/","nextItem":{"@type":"ListItem","@id":"https:\/\/www.imo.pt\/en\/exames\/gdx\/#listItem","name":"GDX"},"previousItem":{"@type":"ListItem","@id":"https:\/\/www.imo.pt\/en\/#listItem","name":"In\u00edcio"}},{"@type":"ListItem","@id":"https:\/\/www.imo.pt\/en\/exames\/gdx\/#listItem","position":3,"name":"GDX","previousItem":{"@type":"ListItem","@id":"https:\/\/www.imo.pt\/en\/exames\/#listItem","name":"Exams"}}]},{"@type":"Organization","@id":"https:\/\/www.imo.pt\/en\/#organization","name":"IMO","description":"Instituto de Microcirurgia Ocular","url":"https:\/\/www.imo.pt\/en\/"},{"@type":"WebPage","@id":"https:\/\/www.imo.pt\/en\/exames\/gdx\/#webpage","url":"https:\/\/www.imo.pt\/en\/exames\/gdx\/","name":"GDX","description":"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/www.imo.pt\/en\/#website"},"breadcrumb":{"@id":"https:\/\/www.imo.pt\/en\/exames\/gdx\/#breadcrumblist"},"image":{"@type":"ImageObject","url":"https:\/\/www.imo.pt\/wp-content\/uploads\/2019\/05\/gdx1-web.jpg","@id":"https:\/\/www.imo.pt\/en\/exames\/gdx\/#mainImage","width":1000,"height":667},"primaryImageOfPage":{"@id":"https:\/\/www.imo.pt\/en\/exames\/gdx\/#mainImage"},"datePublished":"2017-12-29T12:51:57+00:00","dateModified":"2019-05-28T15:27:49+01:00"},{"@type":"WebSite","@id":"https:\/\/www.imo.pt\/en\/#website","url":"https:\/\/www.imo.pt\/en\/","name":"IMO","description":"Instituto de Microcirurgia Ocular","inLanguage":"en-US","publisher":{"@id":"https:\/\/www.imo.pt\/en\/#organization"}}]},"og:locale":"en_US","og:site_name":"IMO","og:type":"activity","og:title":"GDX","og:description":"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.","og:url":"https:\/\/www.imo.pt\/en\/exames\/gdx\/","og:image":"https:\/\/www.imo.pt\/wp-content\/uploads\/2019\/05\/gdx1-web.jpg","og:image:secure_url":"https:\/\/www.imo.pt\/wp-content\/uploads\/2019\/05\/gdx1-web.jpg","og:image:width":1000,"og:image:height":667,"twitter:card":"summary","twitter:title":"GDX","twitter:description":"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.","twitter:image":"https:\/\/www.imo.pt\/wp-content\/uploads\/2019\/05\/gdx1-web.jpg"},"aioseo_meta_data":{"post_id":"1337","title":"GDX","description":"This highly reliable equipment, due to successive improvements, is currently an important instrument for the detection and the follow-up of glaucoma. It is completely objective, fast-paced and used in patients with ocular hypertension, suspected to have glaucoma or with the disease already reported and in cases with a family history of glaucoma.","keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":"","og_description":"","og_object_type":"activity","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":"","og_article_tags":"","twitter_use_og":false,"twitter_card":"summary","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"WebPage","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2021-11-17 10:16:44","updated":"2025-09-19 07:36:00","seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.imo.pt\/en\/\" title=\"In\u00edcio\">In\u00edcio<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.imo.pt\/en\/exames\/\" title=\"Exams\">Exams<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tGDX\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"In\u00edcio","link":"https:\/\/www.imo.pt\/en\/"},{"label":"Exams","link":"https:\/\/www.imo.pt\/en\/exames\/"},{"label":"GDX","link":"https:\/\/www.imo.pt\/en\/exames\/gdx\/"}],"_links":{"self":[{"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/pages\/1337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/comments?post=1337"}],"version-history":[{"count":4,"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/pages\/1337\/revisions"}],"predecessor-version":[{"id":2202,"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/pages\/1337\/revisions\/2202"}],"up":[{"embeddable":true,"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/pages\/1777"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/media\/2196"}],"wp:attachment":[{"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/media?parent=1337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/categories?post=1337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.imo.pt\/en\/wp-json\/wp\/v2\/tags?post=1337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}