{"id":9176,"date":"2023-09-18T17:08:41","date_gmt":"2023-09-18T09:08:41","guid":{"rendered":"https:\/\/zoomax.com\/?p=9176"},"modified":"2026-03-31T15:09:13","modified_gmt":"2026-03-31T07:09:13","slug":"how-do-people-lose-their-peripheral-vision","status":"publish","type":"post","link":"https:\/\/zoomax.com\/pt\/como-e-que-as-pessoas-perdem-a-visao-periferica\/","title":{"rendered":"Como \u00e9 que as pessoas perdem a vis\u00e3o perif\u00e9rica?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"9176\" class=\"elementor elementor-9176\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ba3deee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ba3deee\" 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-5332c81\" data-id=\"5332c81\" 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-c66d741 elementor-widget elementor-widget-text-editor\" data-id=\"c66d741\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>One of the major misconceptions about visual impairments is that it means someone cannot see at all. In fact, while many people with vision problems will be said to have 20\/200 vision, the actual range of sight issues they have can vary quite considerably. For some people it may mean complete loss of sight, but for others, it can mean a wide range of issues that severely restrict their vision in different ways. One of the more common of those is peripheral vision loss, which is often referred to as tunnel vision. But what is peripheral vision, what causes the loss, and how can we prevent it?<\/p><h2><span style=\"color: #008000;\">Common Causes of Peripheral Vision Problems<\/span><\/h2><p>Eye diseases are a significant issue for anyone because even minor problems can result in long term vision challenges, and they are the main causes of peripheral vision problems. These include:<\/p><ul><li>Glaucoma \u2013 A disease of the optic nerve that can cause a number of vision issues.<\/li><li>Retinal eye diseases \u2013 Including macular degeneration, retinitis pigmentosa, retinal vein occlusion, optic neuritis and diabetes-related retinopathy<\/li><li>Stroke \u2013Loss of peripheral vision can be a lasting effect after a stroke.<\/li><li>Migraine Headaches<\/li><li>Concussion<\/li><li>Hypertension<\/li><li>Some types of artery disease<\/li><\/ul><p>Glaucoma and various retinal eye diseases tend to cause permanent peripheral vision loss, however in the case of many of these illnesses and diseases, the tunnel vision effect may be temporary. In all cases it is crucial that professional medical help is sought immediately to ensure that everything that can be done to mitigate the issue is put into practice.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-19346\" src=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Common-Causes-of-Peripheral-Vision-Problems.webp\" alt=\"common causes of peripheral vision problems\" width=\"800\" height=\"568\" srcset=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Common-Causes-of-Peripheral-Vision-Problems.webp 1748w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Common-Causes-of-Peripheral-Vision-Problems-300x213.webp 300w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Common-Causes-of-Peripheral-Vision-Problems-1024x726.webp 1024w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Common-Causes-of-Peripheral-Vision-Problems-768x545.webp 768w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Common-Causes-of-Peripheral-Vision-Problems-1536x1090.webp 1536w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Common-Causes-of-Peripheral-Vision-Problems-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p><h2><span style=\"color: #008000;\">Symptoms of Peripheral Vision Problems<\/span><\/h2><p>In most cases, peripheral vision loss doesn\u2019t happen immediately, and is a gradual process that gets progressively worse over time. Peripheral vision problems are not always easy to recognize though, as they affect your field of vision (FOV), but in a very specific way. There are two types of vision that make up how we see the world around us with healthy vision, the first is central vision. This refers to the objects that are directly in front of you, that are in the center of your vision when your eyes are pointed at something. This is where the eyes focus, which is why objects in this central vision are sharper and clearer than anywhere else in your vision range, even if you have completely healthy eyesight.<\/p><p><img decoding=\"async\" class=\"alignright wp-image-19351\" src=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Symptoms-of-Peripheral-Vision-Problems.webp\" alt=\"symptoms of peripheral vision problems\" width=\"400\" height=\"267\" srcset=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Symptoms-of-Peripheral-Vision-Problems.webp 940w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Symptoms-of-Peripheral-Vision-Problems-300x200.webp 300w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Symptoms-of-Peripheral-Vision-Problems-768x512.webp 768w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Symptoms-of-Peripheral-Vision-Problems-18x12.webp 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>The second type of vision is peripheral vision. This is the areas surrounding that central vision area, where your eyes are not as tightly focused, that tends to be a little less sharp. Sometimes called side vision, it is what we see from the corner of our eyes, and can be incredibly useful when driving, riding a bike or any number of other activities.<\/p><p>\u00c9 esta segunda \u00e1rea de vis\u00e3o, a vis\u00e3o perif\u00e9rica, que \u00e9 afetada pela perda de vis\u00e3o perif\u00e9rica. A perda de vis\u00e3o perif\u00e9rica pode come\u00e7ar com uma vis\u00e3o perif\u00e9rica desfocada, ou pode simplesmente parecer mais escura em dire\u00e7\u00e3o \u00e0s extremidades, reduzindo o seu campo de vis\u00e3o para que possa ver menos do que normalmente veria.<\/p><p>As you lose side vision, so the width of your overall vision decreases and you can see little beyond that central vision area, this is known as the tunnel vision effect. This is because it mimics the effect of standing in a dark tunnel looking out of the opening at bright sunlight. You see that central part clearly, but everything else is dark, indistinct and lacking in clarity.<\/p><p><img decoding=\"async\" class=\"alignright wp-image-19348\" src=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/how-do-people-lose-their-peripheral-vision.webp\" alt=\"como \u00e9 que as pessoas perdem a vis\u00e3o perif\u00e9rica\" width=\"400\" height=\"267\" srcset=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/how-do-people-lose-their-peripheral-vision.webp 940w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/how-do-people-lose-their-peripheral-vision-300x200.webp 300w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/how-do-people-lose-their-peripheral-vision-768x512.webp 768w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/how-do-people-lose-their-peripheral-vision-18x12.webp 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>Este \u00e9 o efeito da perda de vis\u00e3o perif\u00e9rica, e \u00e9 realmente importante procurar assist\u00eancia m\u00e9dica se notar qualquer in\u00edcio do problema, mesmo que pare\u00e7a menor. Pode fazer um teste de vis\u00e3o perif\u00e9rica com o seu oftalmologista se tiver alguma preocupa\u00e7\u00e3o, mas a boa not\u00edcia \u00e9 que muitos tipos de problemas de vis\u00e3o perif\u00e9rica s\u00e3o trat\u00e1veis, e v\u00e1rias causas de problemas de vis\u00e3o perif\u00e9rica podem ser evitadas por completo com escolhas de estilo de vida sensatas.<\/p><h2><span style=\"color: #008000;\">Peripheral Vision Tests<\/span><\/h2><p>The best way to maintain your eye health and prevent eye diseases of all kinds, including the loss of peripheral vision, is by having regular eye exams. These allow your ophthalmologist to spot problems early, and with a treatable problem like tunnel vision that can make all the difference. This is especially true for anyone suffering from diabetes, where annual eye exams should be a minimum, and can often be the different in treating your vision problems.<\/p><p>There are three types of eye test that can be useful in dealing with peripheral vision issues, these are:<\/p><h3>Teste visual de confronto<\/h3><p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-19347\" src=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Confrontation-Visual-Test.webp\" alt=\"confrontation visual test\" width=\"400\" height=\"267\" srcset=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Confrontation-Visual-Test.webp 940w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Confrontation-Visual-Test-300x200.webp 300w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Confrontation-Visual-Test-768x512.webp 768w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Confrontation-Visual-Test-18x12.webp 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>A simple test most people will be familiar with, it involves covering one eye and having the doctor or eye care technician hold up fingers for you to count within your peripheral vision. This is then repeated with the other eye. Simple and easy to administer, it gives a broad idea of the level of side vision someone has, however as it used no instruments for measurement, it may not always catch small side vision defects.<\/p><h3>Automated Static Perimetry test<\/h3><p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-19345\" src=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Automated-Static-Perimetry-test.webp\" alt=\"automated static perimetry test\" width=\"400\" height=\"267\" srcset=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Automated-Static-Perimetry-test.webp 940w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Automated-Static-Perimetry-test-300x200.webp 300w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Automated-Static-Perimetry-test-768x512.webp 768w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Automated-Static-Perimetry-test-18x12.webp 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>Este teste utiliza um dispositivo concebido especificamente para testar a vis\u00e3o perif\u00e9rica, conhecido como Per\u00edmetro. Um dos olhos \u00e9 tapado e pede-se ao doente que prima um bot\u00e3o sempre que v\u00ea aparecerem luzes. As luzes est\u00e3o situadas em toda a \u00e1rea, tanto na vis\u00e3o central como na vis\u00e3o lateral, e aparecem numa ordem aleat\u00f3ria. Uma vez terminado o teste com um olho, repete-se com o outro. O facto de n\u00e3o se notar o aparecimento de determinadas luzes pode evidenciar uma perda de vis\u00e3o perif\u00e9rica em determinadas zonas, permitindo ao oftalmologista investigar mais aprofundadamente. Este teste \u00e9 especialmente \u00fatil para identificar problemas causados pelo glaucoma.<\/p><h3>Teste visual cin\u00e9tico<\/h3><p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-19349\" src=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Kinetic-Visual-Test.webp\" alt=\"kinetic visual test\" width=\"400\" height=\"267\" srcset=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Kinetic-Visual-Test.webp 940w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Kinetic-Visual-Test-300x200.webp 300w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Kinetic-Visual-Test-768x512.webp 768w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/Kinetic-Visual-Test-18x12.webp 18w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>The last type of peripheral vision test, which also uses the same dedicated perimeter machine as the previous test. Here though, light moves in and out of your side vision, rather than appearing in one place and disappearing after. This approach allows a more accurate understanding of where the issues with peripheral vision begin in terms of the field of view, and are particularly useful for diagnosing retinal diseases and neuro ophthalmological issues.<\/p><p>A sa\u00fade da vis\u00e3o tamb\u00e9m est\u00e1 relacionada com a sua sa\u00fade geral, pelo que uma alimenta\u00e7\u00e3o sensata, a pr\u00e1tica de muito exerc\u00edcio f\u00edsico e um estilo de vida saud\u00e1vel em geral podem ter um enorme impacto. Proteger os olhos tamb\u00e9m faz parte desse processo, mas com muitos problemas que causam a perda tempor\u00e1ria da vis\u00e3o perif\u00e9rica associados \u00e0 falta de sa\u00fade geral, fazer um esfor\u00e7o para manter um estilo de vida mais saud\u00e1vel pode ser a melhor abordagem para a sa\u00fade dos olhos.<\/p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-19350 size-medium\" src=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/raise-awareness-of-optometry-196x300.webp\" alt=\"raise awareness of optometry\" width=\"196\" height=\"300\" srcset=\"https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/raise-awareness-of-optometry-196x300.webp 196w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/raise-awareness-of-optometry-670x1024.webp 670w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/raise-awareness-of-optometry-8x12.webp 8w, https:\/\/zoomax.com\/wp-content\/uploads\/2023\/09\/raise-awareness-of-optometry.webp 765w\" sizes=\"(max-width: 196px) 100vw, 196px\" \/>However, while taking care of yourself is great advice, with regular eye exams to identify issues early, you may still find problems that need treating. Tunnel vision is one of the more common eye diseases we suffer from, and as a result there is extensive medical understanding of the disease and its treatment.<\/p><p>In general, tunnel vision is treated by dealing with the underlying issue that is causing it. Whether that is glaucoma, retinal diseases and so on, by solving this issue in a large number of cases, the loss of peripheral vision is also resolved too. In a similar way, issues caused by strokes, hypertension, concussion and migraines tend to be temporary too, and as the underlying issue is dealt with, so the vision health issue will be too.<\/p><p>No entanto, h\u00e1 alguns casos em que a perda de vis\u00e3o perif\u00e9rica \u00e9 permanente e, neste caso, o objetivo \u00e9 ajudar os doentes a gerir a sua condi\u00e7\u00e3o para que o impacto seja o m\u00ednimo poss\u00edvel. Os aux\u00edlios visuais da s\u00e9rie Acesight E-glasses, como o Acesight e o Acesight VR, s\u00e3o capazes de ajudar as pessoas com perda de vis\u00e3o perif\u00e9rica. Este tipo de aux\u00edlio visual est\u00e1 equipado com a fun\u00e7\u00e3o de modo estreito, que permite ao utilizador mover o ecr\u00e3 para um local adequado, de modo a adaptar-se \u00e0 situa\u00e7\u00e3o de vis\u00e3o de t\u00fanel. Mais informa\u00e7\u00f5es sobre os \u00f3culos Acesight e Acesight VR E-glasses est\u00e3o dispon\u00edveis no s\u00edtio Web oficial: <a href=\"https:\/\/www.acesight.com\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.acesight.com\/<\/a>. Com uma vasta gama de tecnologias de ajuda, os problemas de vis\u00e3o perif\u00e9rica podem ser geridos eficazmente e permitir que as pessoas com vis\u00e3o 20\/200 mantenham o seu estilo de vida e independ\u00eancia.<\/p><p><strong>Refer\u00eancias<\/strong><\/p><p><a href=\"https:\/\/parkslopeeye.com\/what-causes-tunnel-vision-peripheral-vision-loss\/#:~:text=What%20is%20Peripheral%20Vision%20Loss,re%20in%20a%20narrow%20tunnel\">https:\/\/parkslopeeye.com\/what-causes-tunnel-vision-peripheral-vision-loss\/#:~:text=What%20is%20Peripheral%20Vision%20Loss,re%20in%20a%20narrow%20tunnel<\/a>.<\/p><p><a href=\"https:\/\/my.clevelandclinic.org\/health\/symptoms\/24435-tunnel-vision-peripheral-vision-loss\">https:\/\/my.clevelandclinic.org\/health\/symptoms\/24435-tunnel-vision-peripheral-vision-loss<\/a><\/p><p><a href=\"https:\/\/dmei.org\/blog\/peripheral-vision-loss-what-is-it-and-how-to-treat-it\/\">https:\/\/dmei.org\/blog\/peripheral-vision-loss-what-is-it-and-how-to-treat-it\/<\/a><\/p><p><a href=\"https:\/\/www.aao.org\/eye-health\/symptoms\/vision-loss-peripheral-side\">https:\/\/www.aao.org\/eye-health\/symptoms\/vision-loss-peripheral-side<\/a><\/p>\t\t\t\t\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>","protected":false},"excerpt":{"rendered":"<p>Descubra as causas, os sintomas e os testes para a perda de vis\u00e3o perif\u00e9rica (vis\u00e3o em t\u00fanel), e como os \u00f3culos Acesight E-glasses podem ajudar a gerir a doen\u00e7a.<\/p>","protected":false},"author":1,"featured_media":19348,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"How Do People Lose Their Peripheral Vision | Zoomax","_seopress_titles_desc":"Discover the causes, symptoms, and tests for peripheral vision loss (tunnel vision), plus how Acesight E-glasses can help manage the condition.","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[9],"tags":[16],"class_list":["post-9176","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-eye-condition","tag-living-with-low-vision"],"_links":{"self":[{"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/posts\/9176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/comments?post=9176"}],"version-history":[{"count":6,"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/posts\/9176\/revisions"}],"predecessor-version":[{"id":19357,"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/posts\/9176\/revisions\/19357"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/media\/19348"}],"wp:attachment":[{"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/media?parent=9176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/categories?post=9176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zoomax.com\/pt\/wp-json\/wp\/v2\/tags?post=9176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}