{"id":8467,"date":"2021-06-23T14:33:41","date_gmt":"2021-06-23T13:33:41","guid":{"rendered":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/?page_id=8467"},"modified":"2021-06-23T14:33:41","modified_gmt":"2021-06-23T13:33:41","slug":"refractive-surgery","status":"publish","type":"page","link":"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/refractive-surgery\/?lang=en","title":{"rendered":"Refractive surgery"},"content":{"rendered":"<p style=\"text-align: right;\"><a href=\"https:\/\/www.chu-poitiers.fr\/page-consultations\/?CodeConsult=Nom%20de%20votre%20m%C3%A9decin...&amp;CodeSpe=25\" target=\"_blank\" rel=\"noopener\"><strong>Our consultations<\/strong><\/a><\/p>\n<figure id=\"attachment_8316\" aria-describedby=\"caption-attachment-8316\" style=\"width: 550px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/refractive.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"zoom filet wp-image-8479\" src=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/refractive.jpg\" alt=\"Op\u00e9ration de la myopie avec le Lasik\" width=\"550\" height=\"366\" srcset=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/refractive.jpg 800w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/refractive-300x200.jpg 300w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/refractive-768x512.jpg 768w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><figcaption id=\"caption-attachment-8316\" class=\"wp-caption-text\">Op\u00e9ration de la myopie avec le Lasik<\/figcaption><\/figure>\n<p><strong>Refractive surgery<\/strong> by corneal photo ablation is a functional elective surgery for correcting refractive defects of the eye such as <a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-la-myopie\/\" target=\"_blank\" rel=\"noopener\">myopia<\/a>, <a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lhypermetropie\/\" target=\"_blank\" rel=\"noopener\">hyperopia<\/a>, <a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/\" target=\"_blank\" rel=\"noopener\">astigmatism <\/a>and <a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-la-presbytie\/\" target=\"_blank\" rel=\"noopener\">presbyopia<\/a>.<\/p>\n<p>These refractive defects have a common factor concerning focus of the image away from the retina (either forwards or backwards), with corollary blurred vision without optical correction.<\/p>\n<p><strong>It aims to make patients independent of optical correction by glasses or contact lenses.<\/strong><\/p>\n<p>It functions via a reshaping of the cornea with an excimer laser in order to change the anterior radius of curvature of the cornea (ie the optical power) and thus correct the refractive disorder.<\/p>\n<h2>There are two surgical techniques :<\/h2>\n<ul>\n<li><strong><a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/la-technique-du-lasik\/\" target=\"_blank\" rel=\"noopener\">LASIK<\/a><\/strong>, also called laser in situ, where the laser is applied through the thickness of the cornea after making a superficial corneal \u00ab\u00a0flap\u00a0\u00bb which replaced at the end of the operation. Cutting the flap can be performed via a microkeratome or a femtosecond type of laser which is more precise and predictable. Postoperatively,<strong> the eyes are painless, visual recovery is rapid the following day<\/strong>. This technique is considered gold standard, it is performed when the cornea is strictly normal before surgery..<\/li>\n<li><a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/la-technique-de-surface-pkr\/\" target=\"_blank\" rel=\"noopener\"><strong>PKR<\/strong> <\/a>(photorefractive keratectomy), also called surface laser, where the laser is used on the surface of the cornea, after removal of the corneal surface known as the epithelium. Postoperatively, the eyes are more painful for three to four days and visual recovery is more progressive (from a few days to a few weeks). This technique is performed when the patient&rsquo;s cornea does not allow operation with the LASIK technique (thin, irregular or asymmetrical cornea).<\/li>\n<\/ul>\n<p><strong>Results and visual recovery time are identical (between one and two months), whatever the technique chosen.<\/strong><\/p>\n<p>In practice, the procedure is usually bilateral, lasts up to 30 minutes per patient, and is practiced as an outpatient under local anesthesia by eye drops.<\/p>\n<p>Corrections (rare &lt;10%) are possible within six months.<\/p>\n<figure id=\"attachment_8185\" aria-describedby=\"caption-attachment-8185\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Techniques-Lasik-PKR.jpg\" rel=\"attachment wp-att-8185\"><img loading=\"lazy\" decoding=\"async\" class=\"zoom filet wp-image-8476\" src=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Techniques-Lasik-PKR.jpg\" alt=\"Les techniques Lasik et PKR\" width=\"600\" height=\"238\" srcset=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Techniques-Lasik-PKR.jpg 803w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Techniques-Lasik-PKR-300x119.jpg 300w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Techniques-Lasik-PKR-768x305.jpg 768w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><figcaption id=\"caption-attachment-8185\" class=\"wp-caption-text\">Les techniques Lasik et PKR.<\/figcaption><\/figure>\n<h2>Refractive Surgery at Poitiers University Hospital of<\/h2>\n<p><strong><a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/chirurgie-refractive.jpg\" rel=\"attachment wp-att-8144\"><img loading=\"lazy\" decoding=\"async\" class=\"zoom filet wp-image-8144 alignleft\" src=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/chirurgie-refractive-300x223.jpg\" alt=\"Chirurgie r\u00e9fractive\" width=\"550\" height=\"408\" srcset=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/chirurgie-refractive-300x223.jpg 300w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/chirurgie-refractive-768x570.jpg 768w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/chirurgie-refractive.jpg 800w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><\/strong><\/p>\n<p><strong>Poitiers University Hospital is the first health centre in the Vienne department to be equipped with the new femtosecond laser technology<\/strong>, specializing in Lasik techniques for <a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-la-myopie\/\" target=\"_blank\" rel=\"noopener\">myopia surgery<\/a>, <a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-la-presbytie\/\" target=\"_blank\" rel=\"noopener\">presbyopia surgery<\/a>, <a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lhypermetropie\/\" target=\"_blank\" rel=\"noopener\">hyperopia surgery<\/a> and <a href=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/chirurgie-refractive\/traitement-de-lastigmatisme\/\" target=\"_blank\" rel=\"noopener\">astigmatism surgery<\/a>.<\/p>\n<p>Today, this well known surgery is performed with a laser. It is fast, often painless, and the visual recovery is dramatic within a few hours. It employs the techniques of <strong>femtosecond and Excimer lasers.<\/strong><\/p>\n<p><strong>PKR techniques (photo refractive keratectomy) and LASIK (laser in situ keratomileusis) are now extremely efficient.<\/strong><\/p>\n<p>The Lasik technique practiced by our surgeons is \u00ab\u00a0100% laser Lasik\u00a0\u00bb, also called \u00ab\u00a0Femto-Lasik.\u00a0\u00bb<\/p>\n<p>The solutions are adapted for each patient in refractive surgery depending on<strong> the specific assessment conducted at the University Hospital of Poitiers<\/strong>.<\/p>\n<p>Each case must first be evaluated by taking specific measures (objective and subjective refraction, pachymetry, keratometry, corneal topography, pupillometry, aberrometry, axial biometrics, Optical Coherence Tomography&#8230;). However some patients may have contraindications.<\/p>\n<div id=\"metaslider-id-8190\" style=\"width: 100%; margin: 0 auto;\" class=\"ml-slider-3-113-1 metaslider metaslider-flex metaslider-8190 ml-slider has-dots-nav ms-theme-default\" role=\"region\" aria-label=\"chirurgie r\u00e9fractive\" data-height=\"600\" data-width=\"1100\">\n    <div id=\"metaslider_container_8190\">\n        <div id=\"metaslider_8190\" class=\"flexslider\">\n            <ul class='slides'>\n                <li style=\"display: block; width: 100%;\" class=\"slide-8192 ms-image \" aria-roledescription=\"slide\" data-date=\"2016-04-26 16:04:00\" data-filename=\"topographie-elevation-ORBSC.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"871\" height=\"800\" src=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/topographie-elevation-ORBSC.jpg\" class=\"slider-8190 slide-8192 msDefaultImage\" alt=\"*1: Bilan anatomique par la topographie d\u2019\u00e9l\u00e9vation ORBSCAN\u00ae montrant une asym\u00e9trie verticale de cambrure avec l\u2019h\u00e9mi-corn\u00e9e inf\u00e9rieure plus cambr\u00e9e. Le patient pr\u00e9sente ici le diagnostic de k\u00e9ratoc\u00f4ne frustre. Le diagnostic du k\u00e9ratoc\u00f4ne fruste est une priorit\u00e9 en chirurgie r\u00e9fractive, car le LASIK y est contre-indiqu\u00e9, sous peine de risquer la survenue d\u2019une ectasie corn\u00e9enne.\" rel=\"\" title=\"\" style=\"margin: 0 auto; width: 59.386363636364%\" srcset=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/topographie-elevation-ORBSC.jpg 871w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/topographie-elevation-ORBSC-300x276.jpg 300w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/topographie-elevation-ORBSC-768x705.jpg 768w\" sizes=\"auto, (max-width: 871px) 100vw, 871px\" \/><div class=\"caption-wrap\"><div class=\"caption\">*1: Bilan anatomique par la topographie d\u2019\u00e9l\u00e9vation ORBSCAN\u00ae montrant une asym\u00e9trie verticale de cambrure avec l\u2019h\u00e9mi-corn\u00e9e inf\u00e9rieure plus cambr\u00e9e.\nLe patient pr\u00e9sente ici le diagnostic de k\u00e9ratoc\u00f4ne frustre.\nLe diagnostic du k\u00e9ratoc\u00f4ne fruste est une priorit\u00e9 en chirurgie r\u00e9fractive, car le LASIK y est contre-indiqu\u00e9, sous peine de risquer la survenue d\u2019une ectasie corn\u00e9enne. <\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-8193 ms-image \" aria-roledescription=\"slide\" data-date=\"2016-04-26 16:04:01\" data-filename=\"Bilan-anatomique-ZYWAVE.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"852\" height=\"800\" src=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-ZYWAVE.jpg\" class=\"slider-8190 slide-8193 msDefaultImage\" alt=\"Bilan anatomique par l\u2019aberrom\u00e8tre ZYWAVE\u00ae montrant la pr\u00e9sence d\u2019aberrations d\u2019ordre sup\u00e9rieur et inf\u00e9rieur et permettant un bilan approfondi de la corn\u00e9e (r\u00e9fraction objective, aberrations optiques de bas et de haut degr\u00e9, pupillom\u00e9trie). En cas d\u2019aberration optique d\u2019ordre sup\u00e9rieur \u00e9lev\u00e9, un traitement guid\u00e9 par aberrom\u00e9trie peut \u00eatre propos\u00e9 afin d\u2019optimiser de fa\u00e7on personnalis\u00e9e la qualit\u00e9 de la vision.\" rel=\"\" title=\"\" style=\"margin: 0 auto; width: 58.090909090909%\" srcset=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-ZYWAVE.jpg 852w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-ZYWAVE-300x282.jpg 300w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-ZYWAVE-768x721.jpg 768w\" sizes=\"auto, (max-width: 852px) 100vw, 852px\" \/><div class=\"caption-wrap\"><div class=\"caption\">Bilan anatomique par l\u2019aberrom\u00e8tre ZYWAVE\u00ae montrant la pr\u00e9sence d\u2019aberrations d\u2019ordre sup\u00e9rieur et inf\u00e9rieur et permettant un bilan approfondi de la corn\u00e9e (r\u00e9fraction objective, aberrations optiques de bas et de haut degr\u00e9, pupillom\u00e9trie).\nEn cas d\u2019aberration optique d\u2019ordre sup\u00e9rieur \u00e9lev\u00e9, un traitement guid\u00e9 par aberrom\u00e9trie peut \u00eatre propos\u00e9 afin d\u2019optimiser de fa\u00e7on personnalis\u00e9e la qualit\u00e9 de la vision.<\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-8194 ms-image \" aria-roledescription=\"slide\" data-date=\"2016-04-26 16:04:02\" data-filename=\"Bilan-anatomique-OPD-Scan.jpg\" data-slide-type=\"image\"><img loading=\"lazy\" decoding=\"async\" width=\"1104\" height=\"800\" src=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-OPD-Scan.jpg\" class=\"slider-8190 slide-8194 msDefaultImage\" alt=\"*1: Bilan anatomique par aberrom\u00e9trie OPD-Scan III \u00ae permettant un bilan approfondi de la corn\u00e9e (r\u00e9fraction objective, astigmatisme corn\u00e9en, aberrations optiques de haut degr\u00e9, pupillom\u00e9trie, indice de d\u00e9pistage du k\u00e9ratoc\u00f4ne). Le patient pr\u00e9sente ici une myopie et un astigmatisme cong\u00e9nital sans argument en faveur d\u2019une k\u00e9ratoc\u00f4ne. C\u2019est donc un bon candidat pour b\u00e9n\u00e9ficier d\u2019une chirurgie r\u00e9fractive par LASIK ou PKR\" rel=\"\" title=\"\" style=\"margin: 0 auto; width: 75.272727272727%\" srcset=\"https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-OPD-Scan.jpg 1104w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-OPD-Scan-300x217.jpg 300w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-OPD-Scan-768x557.jpg 768w, https:\/\/www.chu-poitiers.fr\/specialites\/ophtalmologie\/wp-content\/uploads\/sites\/7\/2016\/04\/Bilan-anatomique-OPD-Scan-1024x742.jpg 1024w\" sizes=\"auto, (max-width: 1104px) 100vw, 1104px\" \/><div class=\"caption-wrap\"><div class=\"caption\">*1: Bilan anatomique par aberrom\u00e9trie OPD-Scan III \u00ae permettant un bilan approfondi de la corn\u00e9e (r\u00e9fraction objective, astigmatisme corn\u00e9en, aberrations optiques de haut degr\u00e9, pupillom\u00e9trie, indice de d\u00e9pistage du k\u00e9ratoc\u00f4ne).\nLe patient pr\u00e9sente ici une myopie et un astigmatisme cong\u00e9nital sans argument en faveur d\u2019une k\u00e9ratoc\u00f4ne. \nC\u2019est donc un bon candidat pour b\u00e9n\u00e9ficier d\u2019une chirurgie r\u00e9fractive par LASIK ou PKR.<\/div><\/div><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div>\n<p>The type of surgical solution chosen depends on the nature of the vision disorder to be treated, but it can also vary according to the patient&rsquo;s age. Thus modern refractive surgery may call for different Femtosecond and excimer lasers but also, if necessary, refractive lens surgery with diffractive multifocal toric implants.<\/p>\n<p>These operations are not reimbursed by social security, as they are considered as elective surgery, but today <strong>more and more private health insurance policies cover part of the cost of surgery.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our consultations Refractive surgery by corneal photo ablation is a functional elective surgery for correcting refractive defects of the eye such as myopia, hyperopia, astigmatism and presbyopia. These refractive defects have a common factor concerning focus of the image away from the retina (either forwards or backwards), with corollary blurred vision without optical correction. It [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-8467","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>Refractive surgery - 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\/refractive-surgery\/?lang=en\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Refractive surgery - Ophtalmologie\" \/>\n<meta property=\"og:description\" content=\"Our consultations Refractive surgery by corneal photo ablation is a functional elective surgery for correcting refractive defects of the eye such as myopia, hyperopia, astigmatism and presbyopia. 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These refractive defects have a common factor concerning focus of the image away from the retina (either forwards or backwards), with corollary blurred vision without optical correction. 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