{"id":14319,"date":"2026-03-18T15:45:30","date_gmt":"2026-03-18T15:45:30","guid":{"rendered":"https:\/\/www.vision-clinic.es\/visual-field-testing-what-it-is-and-when-it-is-indicated\/"},"modified":"2026-03-18T15:45:30","modified_gmt":"2026-03-18T15:45:30","slug":"visual-field-testing-what-it-is-and-when-it-is-indicated","status":"publish","type":"post","link":"https:\/\/www.vision-clinic.es\/en\/visual-field-testing-what-it-is-and-when-it-is-indicated\/","title":{"rendered":"Visual field testing: what it is and when it is indicated"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"14319\" class=\"elementor elementor-14319 elementor-10916\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2e79c5e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2e79c5e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-130c974\" data-id=\"130c974\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d6ff41f elementor-widget elementor-widget-text-editor\" data-id=\"d6ff41f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"boto2\" align=\"left\"><strong>Visual field testing is one of the most important diagnostic tests in ophthalmology. It allows measurement of a patient\u2019s visual field\u2014that is, everything the eye can see, both directly in front and to the sides. It is a very simple test that helps detect possible problems or alterations affecting peripheral vision. Patricia Mart\u00edn, optometrist at <a href=\"https:\/\/www.vision-clinic.es\/en\/\">visi\u00f5ncl\u00ednic<\/a>, explains it to us.   <\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-462d84a elementor-widget elementor-widget-heading\" data-id=\"462d84a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-medium\">What is the visual field?<br><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-74b872a elementor-widget elementor-widget-text-editor\" data-id=\"74b872a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"boto2\" align=\"left\">The visual field is everything the eye can see, including what is directly in front (central vision) and what lies to the sides without the need to turn the head (lateral or peripheral vision). Central vision is always sharper and allows us to see more detail than peripheral vision, although both are essential for functioning normally.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7c33936 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7c33936\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6d7dcf7\" data-id=\"6d7dcf7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8ce556f elementor-widget elementor-widget-heading\" data-id=\"8ce556f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-medium\">How is visual field testing performed?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9fc4ae9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9fc4ae9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-0c22fe4\" data-id=\"0c22fe4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-29863c6 elementor-widget elementor-widget-text-editor\" data-id=\"29863c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div>Visual field testing is a<span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); font-size: var( --e-global-typography-ffd5103-font-size ); letter-spacing: var( --e-global-typography-ffd5103-letter-spacing ); word-spacing: var( --e-global-typography-ffd5103-word-spacing );\"><strong style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-ffd5103-font-size ); letter-spacing: var( --e-global-typography-ffd5103-letter-spacing ); word-spacing: var( --e-global-typography-ffd5103-word-spacing );\"> simple, painless, non-invasive procedure <\/strong><\/span><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); font-size: var( --e-global-typography-ffd5103-font-size ); letter-spacing: var( --e-global-typography-ffd5103-letter-spacing ); word-spacing: var( --e-global-typography-ffd5103-word-spacing );\">&nbsp;that requires no prior preparation. The patient sits in front of the perimeter device, focuses on a central point, and &nbsp;<\/span><strong style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-ffd5103-font-size ); letter-spacing: var( --e-global-typography-ffd5103-letter-spacing ); word-spacing: var( --e-global-typography-ffd5103-word-spacing );\">each eye is tested separately<\/strong><span style=\"color: var( --e-global-color-text ); font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-weight: var( --e-global-typography-text-font-weight ); font-size: var( --e-global-typography-ffd5103-font-size ); letter-spacing: var( --e-global-typography-ffd5103-letter-spacing ); word-spacing: var( --e-global-typography-ffd5103-word-spacing );\">&nbsp;(about 5 minutes per eye). The perimeter uses the central visual field as a reference and emits lights or small flashes in the peripheral visual field (upper, lower, temporal, and nasal areas). Each time the patient perceives these lights, they press a response button.  &nbsp;<\/span><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-9d626c1 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9d626c1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-custom\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-514646e\" data-id=\"514646e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d1f7e23 elementor-widget elementor-widget-image\" data-id=\"d1f7e23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"200\" height=\"202\" src=\"https:\/\/www.vision-clinic.es\/wp-content\/uploads\/2022\/02\/Patricia-Martin-e1682006577592.png\" class=\"attachment-medium_large size-medium_large wp-image-8267\" alt=\"Patricia-Martin\" style=\"width:100%;height:101%;max-width:200px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb2d849 elementor-widget elementor-widget-text-editor\" data-id=\"cb2d849\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Patricia Mart\u00edn<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b05de95\" data-id=\"b05de95\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-45745a7 elementor-widget elementor-widget-heading\" data-id=\"45745a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-medium\">\u201cThe perimeter detects and records the stimuli that the patient is able to perceive and those they are not. In this way, it allows not only an initial diagnosis but also comparative follow-up to assess the progression of a condition\u201d <\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-140ca56 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"140ca56\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3c5755b\" data-id=\"3c5755b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fa81ca3 elementor-widget elementor-widget-heading\" data-id=\"fa81ca3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-medium\">What can visual field testing detect?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-da39fd9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"da39fd9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-inner-column elementor-element elementor-element-f7dfc5f\" data-id=\"f7dfc5f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4663466 elementor-widget elementor-widget-text-editor\" data-id=\"4663466\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Detecting <strong>alterations in peripheral vision<\/strong> indicates that the patient may have an ophthalmological condition, even if they are not aware of it. Visual field testing can help detect <strong><a href=\"https:\/\/www.vision-clinic.es\/en\/glaucoma\/\">glaucoma<\/a><\/strong>, certain <strong><a href=\"https:\/\/www.vision-clinic.es\/en\/neuro-ophthalmology\/\">diseases of the central nervous system<\/a><\/strong>, and some <strong><a href=\"https:\/\/www.vision-clinic.es\/en\/retina\/\">retinal pathologies<\/a><\/strong>.&nbsp;<\/p><p><br><\/p>\n<p>Depending on the diagnosis, additional ophthalmic tests may be required, such as <strong>retinal photography<\/strong>, <strong><a href=\"https:\/\/www.vision-clinic.es\/en\/the-study-of-the-eye-with-oct-the-non-invasive-diagnostic-test-that-is-increasingly-used\/\">Optical Coherence Tomography (OCT<\/a><\/strong>), or a <strong>fundus examination<\/strong>. Like visual field testing, these are non-invasive procedures. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-76f683d elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"76f683d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-custom\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-54d2cae\" data-id=\"54d2cae\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6970d69 elementor-widget elementor-widget-image\" data-id=\"6970d69\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"200\" height=\"202\" src=\"https:\/\/www.vision-clinic.es\/wp-content\/uploads\/2022\/02\/Marta-Pazos-02-e1675166329605.png\" class=\"attachment-medium_large size-medium_large wp-image-7046\" alt=\"Marta Pazos\" style=\"width:100%;height:101%;max-width:200px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-718df09 elementor-widget elementor-widget-text-editor\" data-id=\"718df09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\">Dr Marta Pazos<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-e7e173f\" data-id=\"e7e173f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7c4357d elementor-widget elementor-widget-heading\" data-id=\"7c4357d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-medium\">\u201cIn patients with glaucoma, visual field testing should be performed routinely to ensure that no progression has occurred, as failure to apply appropriate treatment in time can lead to blindness.\u201d<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f3ac5c8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f3ac5c8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9020444\" data-id=\"9020444\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d4b4168 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d4b4168\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Visual field testing is one of the most important diagnostic tests in ophthalmology. It allows measurement of a patient\u2019s visual field\u2014that is, everything the eye can see, both directly in front and to the sides. It is a very simple test that helps detect possible problems or alterations affecting peripheral vision. Patricia Mart\u00edn, optometrist at visi\u00f5ncl\u00ednic, explains it to us.   <\/p>\n","protected":false},"author":3,"featured_media":10924,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[208,31],"tags":[205,53,207,338],"autores":[138],"tipo_de_blog":[46],"class_list":["post-14319","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diagnostic-tests","category-glaucoma","tag-diagnosis","tag-glaucoma","tag-test","tag-visual-field-testing","autores-patricia-martin","tipo_de_blog-visionblog","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Visual field testing: what it is and when it is indicated - visi\u00f5ncl\u00ednic<\/title>\n<meta name=\"description\" content=\"Visual field testing is a simple, non-invasive diagnostic test that measures the visual field to detect problems or alterations.\" \/>\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.vision-clinic.es\/en\/visual-field-testing-what-it-is-and-when-it-is-indicated\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Visual field testing: what it is and when it is indicated - 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