{"id":8117,"date":"2016-04-18T15:06:46","date_gmt":"2016-04-18T14:06:46","guid":{"rendered":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/?page_id=8117"},"modified":"2021-06-23T15:18:04","modified_gmt":"2021-06-23T14:18:04","slug":"traitement-de-lastigmatisme","status":"publish","type":"page","link":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/","title":{"rendered":"Traitement de l\u2019astigmatisme"},"content":{"rendered":"<h2>Qu\u2019est ce que l\u2019astigmatisme\u00a0?<\/h2>\n<p>L&rsquo;astigmatisme est le plus souvent li\u00e9 \u00e0 un d\u00e9faut de courbure de la corn\u00e9e (et beaucoup plus rarement du cristallin).La corn\u00e9e astigmate n\u2019a pas le m\u00eame rayon de courbure selon tous ses m\u00e9ridiens et pr\u00e9sente deux rayons principaux (le plus cambr\u00e9 et le moins cambr\u00e9). Ainsi, un m\u00eame objet se d\u00e9compose en deux images au lieu d\u2019une seule (une en avant et une en arri\u00e8re d\u00e9terminant un astigmatisme myopique, hyperm\u00e9tropique ou mixte selon la position des deux images par rapport \u00e0 la r\u00e9tine). L&rsquo;\u0153il est plus ovale que rond et se rapproche de la forme d&rsquo;un ballon de rugby plut\u00f4t que d&rsquo;un ballon de football.<\/p>\n<p>L&rsquo;\u0153il astigmate a une vision impr\u00e9cise de pr\u00e8s comme de loin, entra\u00eenant parfois une fatigue visuelle et des maux de t\u00eate \u00e0 la lecture.<\/p>\n<p>La correction se fait par verres de lunettes ou une lentilles de contact dits sph\u00e9ro-cylindriques ou toriques qui fusionnent et ram\u00e8nent les deux images distinctes en une seule sur la r\u00e9tine.<\/p>\n<h2>Traitement chirurgical<\/h2>\n<p>Le m\u00eame effet peut \u00eatre obtenu gr\u00e2ce au laser <strong>en modifiant diff\u00e9remment les deux rayons de courbure principaux<\/strong>.<\/p>\n<figure id=\"attachment_8168\" aria-describedby=\"caption-attachment-8168\" style=\"width: 1033px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism.jpg\" rel=\"attachment wp-att-8168\"><img loading=\"lazy\" decoding=\"async\" class=\"zoom filet wp-image-8168 size-full\" src=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism.jpg\" alt=\"profil-ablation-astigmatism\" width=\"1033\" height=\"678\" srcset=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism.jpg 1033w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism-300x197.jpg 300w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism-768x504.jpg 768w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism-1024x672.jpg 1024w\" sizes=\"auto, (max-width: 1033px) 100vw, 1033px\" \/><\/a><figcaption id=\"caption-attachment-8168\" class=\"wp-caption-text\">En violet, se trouve la zone trait\u00e9e par le laser pour les diff\u00e9rents types d&rsquo;astigmatismes.<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qu\u2019est ce que l\u2019astigmatisme\u00a0? L&rsquo;astigmatisme est le plus souvent li\u00e9 \u00e0 un d\u00e9faut de courbure de la corn\u00e9e (et beaucoup plus rarement du cristallin).La corn\u00e9e astigmate n\u2019a pas le m\u00eame rayon de courbure selon tous ses m\u00e9ridiens et pr\u00e9sente deux rayons principaux (le plus cambr\u00e9 et le moins cambr\u00e9). Ainsi, un m\u00eame objet se d\u00e9compose [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":8123,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-8117","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Traitement de l\u2019astigmatisme - Ophtalmologie<\/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.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Traitement de l\u2019astigmatisme - Ophtalmologie\" \/>\n<meta property=\"og:description\" content=\"Qu\u2019est ce que l\u2019astigmatisme\u00a0? L&rsquo;astigmatisme est le plus souvent li\u00e9 \u00e0 un d\u00e9faut de courbure de la corn\u00e9e (et beaucoup plus rarement du cristallin).La corn\u00e9e astigmate n\u2019a pas le m\u00eame rayon de courbure selon tous ses m\u00e9ridiens et pr\u00e9sente deux rayons principaux (le plus cambr\u00e9 et le moins cambr\u00e9). Ainsi, un m\u00eame objet se d\u00e9compose [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/\" \/>\n<meta property=\"og:site_name\" content=\"Ophtalmologie\" \/>\n<meta property=\"article:modified_time\" content=\"2021-06-23T14:18:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1033\" \/>\n\t<meta property=\"og:image:height\" content=\"678\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/traitement-de-lastigmatisme\\\/\",\"url\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/traitement-de-lastigmatisme\\\/\",\"name\":\"Traitement de l\u2019astigmatisme - Ophtalmologie\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/traitement-de-lastigmatisme\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/traitement-de-lastigmatisme\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/wp-content\\\/uploads\\\/sites\\\/7\\\/2016\\\/04\\\/profil-ablation-astigmatism.jpg\",\"datePublished\":\"2016-04-18T14:06:46+00:00\",\"dateModified\":\"2021-06-23T14:18:04+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/traitement-de-lastigmatisme\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/traitement-de-lastigmatisme\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/traitement-de-lastigmatisme\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/wp-content\\\/uploads\\\/sites\\\/7\\\/2016\\\/04\\\/profil-ablation-astigmatism.jpg\",\"contentUrl\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/wp-content\\\/uploads\\\/sites\\\/7\\\/2016\\\/04\\\/profil-ablation-astigmatism.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/traitement-de-lastigmatisme\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"CHU de Poitiers\",\"item\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Services\",\"item\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/services\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ophtalmologie\",\"item\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Chirurgie r\u00e9fractive\",\"item\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/chirurgie-refractive\\\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"Traitement de l\u2019astigmatisme\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/#website\",\"url\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/\",\"name\":\"Ophtalmologie\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.chu-poitiers.fr\\\/specialites\\\/ophtalmologie\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Traitement de l\u2019astigmatisme - Ophtalmologie","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/","og_locale":"fr_FR","og_type":"article","og_title":"Traitement de l\u2019astigmatisme - Ophtalmologie","og_description":"Qu\u2019est ce que l\u2019astigmatisme\u00a0? L&rsquo;astigmatisme est le plus souvent li\u00e9 \u00e0 un d\u00e9faut de courbure de la corn\u00e9e (et beaucoup plus rarement du cristallin).La corn\u00e9e astigmate n\u2019a pas le m\u00eame rayon de courbure selon tous ses m\u00e9ridiens et pr\u00e9sente deux rayons principaux (le plus cambr\u00e9 et le moins cambr\u00e9). Ainsi, un m\u00eame objet se d\u00e9compose [&hellip;]","og_url":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/","og_site_name":"Ophtalmologie","article_modified_time":"2021-06-23T14:18:04+00:00","og_image":[{"width":1033,"height":678,"url":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/","url":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/","name":"Traitement de l\u2019astigmatisme - Ophtalmologie","isPartOf":{"@id":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/#primaryimage"},"image":{"@id":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/#primaryimage"},"thumbnailUrl":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism.jpg","datePublished":"2016-04-18T14:06:46+00:00","dateModified":"2021-06-23T14:18:04+00:00","breadcrumb":{"@id":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/#primaryimage","url":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism.jpg","contentUrl":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/profil-ablation-astigmatism.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"CHU de Poitiers","item":"https:\/\/www.chu-poitiers.fr\/"},{"@type":"ListItem","position":2,"name":"Services","item":"https:\/\/www.chu-poitiers.fr\/services\/"},{"@type":"ListItem","position":3,"name":"Ophtalmologie","item":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/"},{"@type":"ListItem","position":4,"name":"Chirurgie r\u00e9fractive","item":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/"},{"@type":"ListItem","position":5,"name":"Traitement de l\u2019astigmatisme"}]},{"@type":"WebSite","@id":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/#website","url":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/","name":"Ophtalmologie","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/pages\/8117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/comments?post=8117"}],"version-history":[{"count":5,"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/pages\/8117\/revisions"}],"predecessor-version":[{"id":8674,"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/pages\/8117\/revisions\/8674"}],"up":[{"embeddable":true,"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/pages\/8123"}],"wp:attachment":[{"href":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-json\/wp\/v2\/media?parent=8117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}