{"id":26672,"date":"2026-07-02T09:19:52","date_gmt":"2026-07-02T07:19:52","guid":{"rendered":"https:\/\/cpheyeinstitute.dk\/?p=26672"},"modified":"2026-07-03T09:20:22","modified_gmt":"2026-07-03T07:20:22","slug":"is-your-prescription-stable-enough-for-eye-surgery","status":"publish","type":"post","link":"https:\/\/cpheyeinstitute.dk\/en\/is-your-prescription-stable-enough-for-eye-surgery\/","title":{"rendered":"Stable vision before laser eye surgery"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"26672\" class=\"elementor elementor-26672 elementor-26657\" data-elementor-post-type=\"post\">\n\t\t\t\t<article class=\"elementor-element elementor-element-4dc0fbc e-con-full e-flex e-con e-parent\" data-id=\"4dc0fbc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<section class=\"elementor-element elementor-element-6ee4378 e-flex e-con-boxed e-con e-child\" data-id=\"6ee4378\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-afcf28e elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"afcf28e\" 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<h1 class=\"elementor-heading-title elementor-size-default\">Stable vision before laser eye surgery<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-f3b0835 e-flex e-con-boxed e-con e-child\" data-id=\"f3b0835\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dffc993 elementor-widget elementor-widget-heading\" data-id=\"dffc993\" 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-default\">Quick answers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17b5782 elementor-widget elementor-widget-heading\" data-id=\"17b5782\" 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<h3 class=\"elementor-heading-title elementor-size-default\">When is my vision stable enough for laser eye surgery?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79fbc38 elementor-widget elementor-widget-text-editor\" data-id=\"79fbc38\" 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>Your prescription should not have changed by more than 0.50 diopters over a period of at least six months. Stability is assessed based on at least two vision measurements. <\/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-694cc81 elementor-widget elementor-widget-heading\" data-id=\"694cc81\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Why is stable vision important?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d40658 elementor-widget elementor-widget-text-editor\" data-id=\"2d40658\" 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=\"font-claude-response-body break-words whitespace-normal\"><span style=\"text-decoration: underline;\"><a href=\"https:\/\/cpheyeinstitute.dk\/en\/treatments-and-surgeries\/laser-vision-corrective-laser-surgery\/\">Laser treatment<\/a><\/span> permanently corrects your current prescription. If your prescription continues to change after the operation, your vision may gradually become blurry again. <\/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-35cc18e elementor-widget elementor-widget-heading\" data-id=\"35cc18e\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Can you have laser eye surgery if you are under 20 years old?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0364323 elementor-widget elementor-widget-text-editor\" data-id=\"0364323\" 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=\"font-claude-response-body break-words whitespace-normal\">As a rule, no. Nearsightedness often continues to develop during the teenage years and into the early twenties. For that reason, it is usually recommended to wait until your vision has stabilised before undergoing surgery.  <\/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-4d08def elementor-widget elementor-widget-heading\" data-id=\"4d08def\" 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<h3 class=\"elementor-heading-title elementor-size-default\">How long do I need to stop wearing contact lenses before a pre-examination?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66faa7b elementor-widget elementor-widget-text-editor\" data-id=\"66faa7b\" 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=\"font-claude-response-body break-words whitespace-normal\">Soft contact lenses should be avoided for at least 1 week, while hard (rigid) contact lenses should be avoided for at least 2 weeks before the examination.<\/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-6115047 elementor-widget elementor-widget-heading\" data-id=\"6115047\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Why do I need to take a break from contact lenses?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d596cbc elementor-widget elementor-widget-text-editor\" data-id=\"d596cbc\" 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=\"font-claude-response-body break-words whitespace-normal\">Contact lenses can temporarily change the shape of the cornea. A break ensures more accurate measurements and provides the best basis for planning the treatment. <\/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-23b3384 elementor-widget elementor-widget-heading\" data-id=\"23b3384\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Who is suitable for laser eye surgery?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de60b09 elementor-widget elementor-widget-text-editor\" data-id=\"de60b09\" 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=\"font-claude-response-body break-words whitespace-normal\">People with stable vision, a healthy cornea, and a thorough pre-examination showing that the eyes are suitable for the treatment.<\/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-39d462d elementor-widget elementor-widget-heading\" data-id=\"39d462d\" 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<h3 class=\"elementor-heading-title elementor-size-default\">What happens during the pre-examination?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5b414a elementor-widget elementor-widget-text-editor\" data-id=\"c5b414a\" 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=\"font-claude-response-body break-words whitespace-normal\">You will be examined by both an experienced clinical optometrist and a specialist ophthalmologist. Your vision, the shape of your cornea, and the overall health of your eyes are assessed before deciding on the most suitable treatment. <\/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\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-e09d46d e-flex e-con-boxed e-con e-child\" data-id=\"e09d46d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-567694e elementor-widget elementor-widget-text-editor\" data-id=\"567694e\" 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=\"isSelectedEnd\">One of the most common questions we receive at Copenhagen Eye Institute is: \u201c<em>Can I have laser surgery now?<\/em>\u201d The answer often depends on one crucial factor: Is your prescription stable?<\/p><p>This is called refractive stability and is one of the most important prerequisites for achieving a long-lasting result with laser treatment.<\/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\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-bbf28c7 e-flex e-con-boxed e-con e-child\" data-id=\"bbf28c7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee62b2c elementor-widget elementor-widget-heading\" data-id=\"ee62b2c\" 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-default\">Why stable vision is important<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7477db8 elementor-widget elementor-widget-text-editor\" data-id=\"7477db8\" 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=\"isSelectedEnd\">During <span style=\"text-decoration: underline;\"><a href=\"https:\/\/cpheyeinstitute.dk\/en\/glasses-free-surgery\/\">laser surgery<\/a><\/span>, the cornea is permanently reshaped to match your current prescription. If your prescription continues to change after surgery, the treatment will no longer match the eye\u2019s needs, and vision may gradually become blurry again. <\/p><p class=\"isSelectedEnd\">Therefore, we require that your prescription has not changed by more than 0.50 diopters over at least six months, documented through two separate vision measurements.<\/p><p>This threshold follows criteria used in international clinical studies on refractive surgery and is considered a fundamental requirement in global clinical guidelines.<\/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\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-9ffb234 e-flex e-con-boxed e-con e-child\" data-id=\"9ffb234\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-6627d08 e-con-full e-flex e-con e-child\" data-id=\"6627d08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8f87a1 elementor-widget elementor-widget-heading\" data-id=\"d8f87a1\" 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-default\">Why we generally do not operate on people under 20<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcc376d elementor-widget elementor-widget-text-editor\" data-id=\"bcc376d\" 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=\"isSelectedEnd\"><a href=\"https:\/\/cpheyeinstitute.dk\/en\/nearsightedness\/\"><span style=\"text-decoration: underline;\">Nearsightedness<\/span><\/a> often develops throughout the teenage years and may continue into the early twenties. Research shows that the eye can still be growing during this period, which may lead to further changes in vision. <\/p><p class=\"isSelectedEnd\">For this reason, we generally do not offer laser surgery to people under the age of 20.<\/p><p class=\"isSelectedEnd\">If you are in your early twenties, we assess your visual stability more carefully and may recommend a longer period of documented stability before planning surgery.<\/p><h2> <\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f862c3b elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"f862c3b\" 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 fetchpriority=\"high\" decoding=\"async\" width=\"1920\" height=\"2560\" src=\"https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/nathan-dumlao-Xi_dFX7oxkk-unsplash-scaled.jpg\" class=\"attachment-full size-full wp-image-25852\" alt=\"mand holder sit \u00f8je for som symboliserer livet med brille og linser\" srcset=\"https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/nathan-dumlao-Xi_dFX7oxkk-unsplash-scaled.jpg 1920w, https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/nathan-dumlao-Xi_dFX7oxkk-unsplash-225x300.jpg 225w, https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/nathan-dumlao-Xi_dFX7oxkk-unsplash-768x1024.jpg 768w, https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/nathan-dumlao-Xi_dFX7oxkk-unsplash-1152x1536.jpg 1152w, https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/nathan-dumlao-Xi_dFX7oxkk-unsplash-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" title=\"\">\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\t<\/div>\n\t\t\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-bcf4e2f e-flex e-con-boxed e-con e-child\" data-id=\"bcf4e2f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e70212c elementor-widget elementor-widget-heading\" data-id=\"e70212c\" 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-default\">When do we use cycloplegic refraction?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aedfa6d elementor-widget elementor-widget-text-editor\" data-id=\"aedfa6d\" 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=\"isSelectedEnd\">In some cases, we measure your prescription after using <span style=\"text-decoration: underline;\"><a href=\"https:\/\/min.medicin.dk\/medicin\/praeparater\/839\" target=\"_blank\" rel=\"noopener\">cycloplegic eye drops<\/a><\/span>, which temporarily relax the eye\u2019s focusing muscles. This provides a more accurate measurement of your true refractive error without the eye\u2019s natural focusing influence. <\/p><p class=\"isSelectedEnd\">This examination is used, for example:<\/p><ul data-spread=\"false\"><li>if there is a discrepancy between your measured prescription and your vision,<\/li><li>if we suspect hidden <span style=\"text-decoration: underline;\"><a href=\"https:\/\/cpheyeinstitute.dk\/en\/farsightedness\/\">farsightedness,<\/a><\/span><\/li><li>or when maximum precision is required before surgery.<\/li><\/ul><p>The drops take effect after about 20\u201330 minutes and cause blurred near vision for a few hours, but they provide valuable information for treatment planning. <\/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\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-30e9c34 e-flex e-con-boxed e-con e-child\" data-id=\"30e9c34\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51eba59 elementor-widget elementor-widget-heading\" data-id=\"51eba59\" 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-default\">Taking a break from contact lenses before your pre-examination\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d3f920 elementor-widget elementor-widget-text-editor\" data-id=\"1d3f920\" 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=\"isSelectedEnd\">Contact lenses can affect the shape of the cornea while being worn. In some cases, the cornea may remain slightly altered for a period after lens removal \u2013 a phenomenon called corneal warpage. <\/p><p class=\"isSelectedEnd\">If the cornea has not yet returned to its natural shape, measurements become less accurate, which may affect treatment planning.<\/p><p class=\"isSelectedEnd\">Therefore, we ask you to stop wearing contact lenses before your examination:<\/p><ul data-spread=\"false\"><li>Soft contact lenses (daily or monthly): at least 1 week<\/li><li>Hard (rigid\/gas-permeable) contact lenses: at least 2 weeks<\/li><\/ul>\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\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-022d8e2 e-flex e-con-boxed e-con e-child\" data-id=\"022d8e2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8f7dda7 e-con-full e-flex e-con e-child\" data-id=\"8f7dda7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9994a1a elementor-widget elementor-widget-heading\" data-id=\"9994a1a\" 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-default\">Your pre-examination at Copenhagen Eye Institute<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a06a04e elementor-widget elementor-widget-text-editor\" data-id=\"a06a04e\" 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=\"isSelectedEnd\">Your pre-examination is always performed in person by a senior clinical optometrist and a <span style=\"text-decoration: underline;\"><a href=\"https:\/\/cpheyeinstitute.dk\/en\/author\/javier-cabrerizo\/\">specialist ophthalmologist with extensive surgical experience.<\/a><\/span><\/p><p class=\"isSelectedEnd\">The surgeon who assesses your eligibility is also the one who performs the procedure and follows you throughout the entire treatment journey.<\/p><p class=\"isSelectedEnd\">If you are interested in finding out whether you are suitable for a <a href=\"https:\/\/cpheyeinstitute.dk\/en\/glasses-free\/\"><span style=\"text-decoration: underline;\">vision correction procedure<\/span><\/a>, you can book a free, non-binding pre-examination via our website.<\/p><p class=\"isSelectedEnd\"><strong>Under 45 years<\/strong><br\/><span style=\"text-decoration: underline;\"><a href=\"https:\/\/cpheyeinstitute.dk\/en\/book-an-appointment-for-laser-eye-examination\/\">Free pre-examination for laser eye surgery<\/a><\/span><\/p><p><strong>Over 45 years<\/strong><br\/><span style=\"text-decoration: underline;\"><a href=\"https:\/\/cpheyeinstitute.dk\/en\/book-an-appointment-for-a-preliminary-examination-lens-replacement\/\">Free pre-examination for lens replacement<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-911a1ce elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"911a1ce\" 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=\"1920\" height=\"2560\" src=\"https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/Cph-Eye-Clinic_warm-30_long-scaled.jpg\" class=\"attachment-full size-full wp-image-25892\" alt=\"\" srcset=\"https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/Cph-Eye-Clinic_warm-30_long-scaled.jpg 1920w, https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/Cph-Eye-Clinic_warm-30_long-225x300.jpg 225w, https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/Cph-Eye-Clinic_warm-30_long-768x1024.jpg 768w, https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/Cph-Eye-Clinic_warm-30_long-1152x1536.jpg 1152w, https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2026\/06\/Cph-Eye-Clinic_warm-30_long-1536x2048.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" title=\"\">\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\t<\/div>\n\t\t\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-fe7e37a e-flex e-con-boxed e-con e-child\" data-id=\"fe7e37a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c2b5016 elementor-widget elementor-widget-heading\" data-id=\"c2b5016\" 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-default\">Frequently Asked Questions (FAQ)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17b61c5 elementor-widget elementor-widget-heading\" data-id=\"17b61c5\" 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<h3 class=\"elementor-heading-title elementor-size-default\">How do I know if my prescription is stable?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9993b3 elementor-widget elementor-widget-text-editor\" data-id=\"c9993b3\" 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=\"font-claude-response-body break-words whitespace-normal\" data-sourcepos=\"67:1-68:253;6811-7107\">Compare at least two vision measurements taken at least six months apart. If the difference is no more than 0.50 diopters, it is a good sign that your prescription is stable. Your optician\u2019s records are often the best starting point.<br\/>  <\/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-fae840a elementor-widget elementor-widget-heading\" data-id=\"fae840a\" 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<h3 class=\"elementor-heading-title elementor-size-default\">I am 19 years old \u2013 can I still have a pre-examination?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aacf86f elementor-widget elementor-widget-text-editor\" data-id=\"aacf86f\" 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=\"font-claude-response-body break-words whitespace-normal\" data-sourcepos=\"67:1-68:253;6811-7107\">Yes. We are happy to offer an assessment and guidance. However, in most cases we recommend waiting until your vision has been stable for a longer period.  <\/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-5acc235 elementor-widget elementor-widget-heading\" data-id=\"5acc235\" 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<h3 class=\"elementor-heading-title elementor-size-default\">What if my cornea has not normalised after stopping contact lenses?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5440f2 elementor-widget elementor-widget-text-editor\" data-id=\"d5440f2\" 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>If we see signs of contact lens influence during your examination, we recommend that you continue without lenses for a period and return for new measurements before making a final decision.<\/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-6d739a7 elementor-widget elementor-widget-heading\" data-id=\"6d739a7\" 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<h3 class=\"elementor-heading-title elementor-size-default\">Can a cycloplegic measurement change the surgical plan?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3acdba8 elementor-widget elementor-widget-text-editor\" data-id=\"3acdba8\" 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>Yes. In people with strong focusing ability or hidden farsightedness, the cycloplegic measurement may show a different prescription than a standard eye test. In such cases, we use the most accurate measurement to plan your treatment.  <\/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\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-780fc40 e-flex e-con-boxed e-con e-child\" data-id=\"780fc40\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4c26ac8 elementor-widget elementor-widget-heading\" data-id=\"4c26ac8\" 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-default\">Selected references (for further reading):<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5666f0f elementor-widget elementor-widget-text-editor\" data-id=\"5666f0f\" 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<ol><li>Vega-Estrada A, et al. Update on contraindications in laser corneal refractive surgery. Arch Soc Esp Oftalmol.   2022. \u2014 Identifies absence of refractive stability and age under 18 as absolute contraindications to corneal laser surgery.<\/li><li>WaveLight\u00ae EX500 FDA clinical trial (NCT04219891); Technolas\u00ae TENEO 317 FDA trial (NCT04111757). \u2014 Both define preoperative refractive stability as \u22640.50 D change in spherical equivalent between consecutive measurements.<\/li><li>Gwiazda J, et al. COMET Study Group. Myopia progression in children. Invest Ophthalmol Vis Sci.    2003. \u2014 Documents continued axial elongation through adolescence and into the early twenties in a subset of myopic patients.<\/li><li>Ng LT, Lee EM, Nguyen AL. Preoperative assessment of corneal and refractive stability in soft contact lens wearing photorefractive keratectomy patients. \u2014 Shows manifest refraction takes a mean of 10.7 \u00b1 4 days to stabilise after soft lens removal.  <\/li><li>Shehadeh-Mashor R, et al. Duration of contact lens removal before myopic refractive surgery. Eur J Ophthalmol. 2021;31(4):1695\u20131699. \u2014 Large retrospective study (20,000 eyes) examining outcomes after varying soft lens cessation periods prior to corneal refractive surgery.    <\/li><\/ol>\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\t\t<\/section>\n\t\t<section class=\"elementor-element elementor-element-5caf3aa e-flex e-con-boxed e-con e-child\" data-id=\"5caf3aa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9518671 elementor-cta--skin-cover elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-call-to-action\" data-id=\"9518671\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2025\/08\/Cph-Eye-Clinic_warm-34_1-scaled.webp);\" role=\"img\" aria-label=\"Patient during eye surgery at the eye doctor in Copenhagen\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tEye Laser\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tRead more about eye laser surgery. For you under 45. \t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/cpheyeinstitute.dk\/behandlinger-og-operationer\/oejenlaseroperation\/\">\n\t\t\t\t\t\tEye Laser\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1844dab elementor-cta--skin-cover elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-call-to-action\" data-id=\"1844dab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/cpheyeinstitute.dk\/wp-content\/uploads\/2025\/10\/Cph-Eye-Clinic-97-scaled.webp);\" role=\"img\" aria-label=\"operation hos \u00f8jenl\u00e6ge copenhagen eye institute med \u00f8jenl\u00e6ge og patient\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tLens surgery\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tRead more about lens surgery. For you over 45. \t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item \">\n\t\t\t\t\t<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"https:\/\/cpheyeinstitute.dk\/behandlinger-og-operationer\/linseudskiftning\/\">\n\t\t\t\t\t\tLens surgery\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\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\t\t<\/section>\n\t\t\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Stable vision before laser eye surgery Quick answers When is my vision stable enough for laser eye surgery? Your prescription [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":25846,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[46],"tags":[],"class_list":["post-26672","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-updates"],"_links":{"self":[{"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/posts\/26672","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/comments?post=26672"}],"version-history":[{"count":10,"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/posts\/26672\/revisions"}],"predecessor-version":[{"id":26832,"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/posts\/26672\/revisions\/26832"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/media\/25846"}],"wp:attachment":[{"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/media?parent=26672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/categories?post=26672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cpheyeinstitute.dk\/en\/wp-json\/wp\/v2\/tags?post=26672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}