{"id":11619,"date":"2020-07-14T22:42:18","date_gmt":"2020-07-14T19:42:18","guid":{"rendered":"https:\/\/drborismalyugin.com\/operatsiya\/refractive-procedures-phakic-iol-implantation\/lazernaya-refraktsionnaya-hirurgiya"},"modified":"2020-08-22T22:14:10","modified_gmt":"2020-08-22T19:14:10","slug":"laser-refractive-surgery","status":"publish","type":"operatsiya","link":"https:\/\/drborismalyugin.com\/en\/operatsiya\/refractive-procedures\/laser-refractive-surgery","title":{"rendered":"Laser refractive surgery"},"content":{"rendered":"<section class=\"l-section wpb_row height_custom\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Laser refractive surgery is used to change the shape of the cornea, which is the eye\u2019s main refractive optical medium. Cornea shape modification deviates and normalizes the path of the rays entering the eye.<\/p>\n<p>Laser refractive surgery (LRS) allows the restoration of vision at far and near distances. Most often, it is used in patients with myopia (nearsightedness) of various degrees. This procedure is also indicated for hypermetropia (farsightedness), astigmatism, and presbyopia.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_custom color_alternate\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-iconbox us_custom_70facfb4 iconpos_left style_default color_secondary align_left no_text\"><div class=\"w-iconbox-icon\" style=\"font-size:3rem;\"><i class=\"fad fa-eye\"><\/i><\/div><div class=\"w-iconbox-meta\"><h2 class=\"w-iconbox-title\" style=\"font-size:1.2rem;\">The three variations of laser refractive procedures include:<\/h2><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><ul>\n<li>PRK &#8211; photorefractive keratectomy.<\/li>\n<li>LASIK &#8211; laser in situ keratomileusis.<\/li>\n<li>SMILE &#8211; small-incision corneal lenticule (lens) extraction.<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_custom\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-iconbox us_custom_70facfb4 iconpos_left style_default color_secondary align_left no_text\"><div class=\"w-iconbox-icon\" style=\"font-size:3rem;\"><i class=\"fad fa-eye\"><\/i><\/div><div class=\"w-iconbox-meta\"><h2 class=\"w-iconbox-title\" style=\"font-size:1.2rem;\">What is the difference between the different types of laser refractive surgery?<\/h2><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>When performing PRK, the surgeon first removes the corneal epithelium and then ablates (or vaporizes) the corneal surface using an excimer laser.<\/p>\n<p>During LASIK, the corneal flap (i.e. superficial corneal layer) with the hinge is cut using a microkeratome or femtosecond laser. The flap, having a thickness of 100\u2013130 microns, is lifted and folded to the side, exposing the deeper layers of corneal stroma, which are then reshaped using an excimer laser ablation.<\/p>\n<p>In the SMILE technique, a femtosecond laser only is used. The laser cuts the lenticule inside the central portion of the cornea. The surgeon then removes the lenticule with forceps or a spatula through a micro-incision of about 2 mm wide.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_auto width_full\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><section class=\"l-section wpb_row us_custom_938809ae height_auto color_primary\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_middle type_default reversed stacking_default\"><div class=\"vc_col-sm-6 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-image us_custom_1fd2f432 style_shadow-1 align_center\"><div class=\"w-image-h\"><img decoding=\"async\" width=\"358\" height=\"512\" src=\"https:\/\/drborismalyugin.com\/wp-content\/uploads\/malyugin-3-358x512.jpg\" class=\"attachment-medium size-medium\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/drborismalyugin.com\/wp-content\/uploads\/malyugin-3-358x512.jpg 358w, https:\/\/drborismalyugin.com\/wp-content\/uploads\/malyugin-3.jpg 601w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><\/div><\/div><\/div><\/div><\/div><div class=\"vc_col-sm-6 wpb_column vc_column_container has_bg_color stretched\"><div class=\"vc_column-inner us_custom_df02dd93\"><div class=\"wpb_wrapper\"><div class=\"w-iconbox us_custom_70facfb4 iconpos_left style_default color_contrast align_center no_text\"><a href=\"tel:+74999065001\" class=\"w-iconbox-link\" aria-label=\"+7 (499) 906-50-01\"><div class=\"w-iconbox-icon\" style=\"font-size:2rem;\"><i class=\"fal fa-phone-alt\"><\/i><\/div><\/a><div class=\"w-iconbox-meta\"><h2 class=\"w-iconbox-title\"><a href=\"tel:+74999065001\" class=\"w-iconbox-link\" aria-label=\"+7 (499) 906-50-01\">+7 (499) 906-50-01<\/a><\/h2><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p style=\"text-align: center;\">You can make an appointment by phone from 8:30 to 19:30 (daily).<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n<\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_custom\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-iconbox us_custom_70facfb4 iconpos_left style_default color_secondary align_left no_text\"><div class=\"w-iconbox-icon\" style=\"font-size:3rem;\"><i class=\"fad fa-eye\"><\/i><\/div><div class=\"w-iconbox-meta\"><h2 class=\"w-iconbox-title\" style=\"font-size:1.2rem;\">What types of laser are used in LRS?<\/h2><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>For laser refractive procedures, two types of laser systems are used most commonly:<\/p>\n<ul>\n<li>Excimer laser (to vaporize or ablate the corneal tissue).<\/li>\n<li>Femtosecond laser (for precise cutting of the corneal tissue).<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_custom color_alternate\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-iconbox us_custom_70facfb4 iconpos_left style_default color_secondary align_left no_text\"><div class=\"w-iconbox-icon\" style=\"font-size:3rem;\"><i class=\"fad fa-eye\"><\/i><\/div><div class=\"w-iconbox-meta\"><h2 class=\"w-iconbox-title\" style=\"font-size:1.2rem;\">Indications for LRS<\/h2><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Laser refractive surgery helps solve vision problems and is an excellent alternative to other types of optical correction such as glasses or contact lenses. LRS is recommended to eliminate various refractive errors in:<\/p>\n<ul>\n<li>Myopia with or without astigmatism.<\/li>\n<li>Hyperopia with or without astigmatism.<\/li>\n<li>Astigmatism of various types.<\/li>\n<\/ul>\n<p>Before surgical treatment, the patient consults with the ophthalmologist and undergoes thoughtful ophthalmic examination. Comprehensive examination helps to exclude some pathologies that would make laser vision correction undesirable.<\/p>\n<\/div><\/div><div class=\"w-message us_custom_0490361b color_red with_icon\"><div class=\"w-message-icon\"><i class=\"fas fa-engine-warning\"><\/i><\/div><div class=\"w-message-body\"><p>Before the diagnostics, it is advisable not to wear contact lenses (CL). Soft CL should be avoided for a week; hard CL should be avoided for two weeks before visiting the clinic. This is necessary for the cornea to regain its shape and thickness, which changes when CL are worn.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_custom\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-iconbox us_custom_70facfb4 iconpos_left style_default color_secondary align_left no_text\"><div class=\"w-iconbox-icon\" style=\"font-size:3rem;\"><i class=\"fad fa-eye\"><\/i><\/div><div class=\"w-iconbox-meta\"><h3 class=\"w-iconbox-title\" style=\"font-size:1.2rem;\">Contraindications<\/h3><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>In some cases, laser vision correction is contraindicated:<\/p>\n<ul>\n<li>Refractive disorder is not stable and is progressing.<\/li>\n<li>There is an ocular co-morbidity.<\/li>\n<li>There is increased intraocular pressure.<\/li>\n<li>The cornea is too thin.<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_custom color_alternate\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-iconbox us_custom_70facfb4 iconpos_left style_default color_secondary align_left no_text\"><div class=\"w-iconbox-icon\" style=\"font-size:3rem;\"><i class=\"fad fa-eye\"><\/i><\/div><div class=\"w-iconbox-meta\"><h3 class=\"w-iconbox-title\" style=\"font-size:1.2rem;\">How is laser surgery performed?<\/h3><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Time in the operating room takes no more than half an hour, but a successful result requires careful preparation:<\/p>\n<ul>\n<li>Diagnostics and examination by a specialist.<\/li>\n<li>Computer calculation of the surgical plan.<\/li>\n<\/ul>\n<p>During the preoperative phase, the ophthalmologist will choose the optimal surgical technique according to the individual parameters of the patient\u2019s eye, deciding whether it is advisable to use the \u00abknifeless\u00bb technique. In that case, only laser devices, no blades, will be used to cut the cornea.<\/p>\n<p>The ophthalmologist also decides whether or not to use so-called \u00abcustomized\u00bb or individualized ablation-in which the data of the corneal topographer and\/or aberrometer are entered into the computer program for calculation of the exact parameters of the surgical procedure.<\/p>\n<p>Surgery itself consists of the following steps:<\/p>\n<ul>\n<li>The patient is prepared for surgery.<\/li>\n<li>Local anesthesia and intravenous sedation are performed.<\/li>\n<li>Laser energy is applied to the cornea.<\/li>\n<li>The surgeon instills antibiotics and anti-inflammatory drugs.<\/li>\n<li>A temporary patch is applied.<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section><section class=\"l-section wpb_row height_custom\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row via_flex valign_top type_default stacking_default\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"w-iconbox us_custom_70facfb4 iconpos_left style_default color_secondary align_left no_text\"><div class=\"w-iconbox-icon\" style=\"font-size:3rem;\"><i class=\"fad fa-eye\"><\/i><\/div><div class=\"w-iconbox-meta\"><h3 class=\"w-iconbox-title\" style=\"font-size:1.2rem;\">What to expect in the postoperative period?<\/h3><\/div><\/div><div class=\"wpb_text_column\"><div class=\"wpb_wrapper\"><p>Immediately after surgery, the patient may experience some sensation in the form of itching or burning. Visual acuity improves the first day after the procedure and continues to recover during the early postoperative period (up to 3\u20134 weeks).<\/p>\n<p>Patients must follow the regime of instilling eye drops and refrain from physical activity for a while. Compliance with all the recommendations will help in regaining visual function as early as possible.<\/p>\n<p>Currently, there is no single ideal method of surgical correction of refractive errors that suits all patients equally. The surgeon will select the best option by taking into account the individual anatomical characteristics of the patient\u2019s eye, their visual needs, and lifestyle.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"featured_media":11761,"parent":11455,"menu_order":0,"template":"","meta":{"footnotes":""},"categories":[80],"tags":[],"class_list":["post-11619","operatsiya","type-operatsiya","status-publish","has-post-thumbnail","hentry","category-procedures"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/operatsiya\/11619","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/operatsiya"}],"about":[{"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/types\/operatsiya"}],"version-history":[{"count":0,"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/operatsiya\/11619\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/operatsiya\/11455"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/media\/11761"}],"wp:attachment":[{"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/media?parent=11619"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/categories?post=11619"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drborismalyugin.com\/en\/wp-json\/wp\/v2\/tags?post=11619"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}