{"id":91596471167,"date":"2023-03-11T08:08:00","date_gmt":"2023-03-11T07:08:00","guid":{"rendered":"https:\/\/neue-augen.de\/blog\/nicht-kategorisiert\/corneal-astigmatism-everything-you-need-to-know\/"},"modified":"2026-03-24T05:10:45","modified_gmt":"2026-03-24T04:10:45","slug":"corneal-astigmatism-everything-you-need-to-know","status":"publish","type":"post","link":"https:\/\/neue-augen.de\/en\/blog\/corneal-disease\/corneal-astigmatism-everything-you-need-to-know\/","title":{"rendered":"Corneal Astigmatism &#8211; Everything You Need to Know"},"content":{"rendered":"\n<p>Corneal astigmatism, also known as <strong>astigmatism<\/strong> or distorted vision, is a very common visual impairment. In cases of astigmatism, the eye cannot focus light correctly due to an irregular curvature of the cornea or, in rarer cases, the eye&#8217;s lens. This results in blurred or distorted visual impressions for both near and distant objects.<\/p>\n\n\n\n<p>In this article, you will learn exactly what a corneal curvature is and the different types of astigmatism that exist. We will explain the differences between astigmatism, nearsightedness, and farsightedness, and delve into the typical symptoms and causes. Furthermore, we will outline how astigmatism is diagnosed and which treatment options are available\u2014ranging from glasses and contact lenses to modern laser treatments for astigmatism.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"defining-corneal-astigmatism\">Defining Corneal Astigmatism<\/h3>\n\n\n<p>Astigmatism is a frequent refractive error where the cornea (or sometimes the lens) is not uniformly curved.<\/p>\n\n\n\n<p>This irregular curvature causes light entering the eye to focus improperly. Instead of converging onto a single point on the retina, multiple focal points or distorted lines are created. This is exactly where the term &#8220;astigmatism&#8221; originates\u2014derived from Greek, it literally translates to <strong>&#8220;pointlessness.&#8221;<\/strong><\/p>\n\n\n\n<p>The degree of curvature can vary from mild to severe and affects vision at all distances. Astigmatism often occurs alongside other refractive errors such as nearsightedness (<strong>myopia<\/strong>) or farsightedness (<strong>hyperopia<\/strong>). In the International Classification of Diseases (ICD), astigmatism is listed under code <strong>H52.2<\/strong>. It can be effectively corrected through glasses, contact lenses, or surgical procedures such as laser eye surgery.<\/p>\n\n\n\n<p><span style=\"font-weight: 400;\">\u00b9Quelle:&nbsp; <\/span><a href=\"https:\/\/gesund.bund.de\/icd-code-suche\/h52-2\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/gesund.bund.de\/icd-code-suche\/h52-2<\/a><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neue-augen.de\/augenlasern\/hornhautverkruemmung-lasern\/\">Hornhautverkr\u00fcmmung lasern \u2013 mehr erfahren!<\/a><\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/neue-augen.de\/app\/uploads\/2021\/05\/astigmatismus-fehlsichtigkeit-normale-sicht-vergleich-entstehung-1024x513.jpg\" alt=\"Wie entsteht eine Hornhautverkr\u00fcmmung eigentlich?\" class=\"wp-image-91596446863\"\/><\/figure>\n\n\n<h2 class=\"wp-block-heading\" id=\"laser-treatment-for-astigmatism-understanding-the-types\">Laser Treatment for Astigmatism: Understanding the Types<\/h2>\n\n\n<p>Astigmatism manifests in various forms, depending on how light is refracted by the eye.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Regular Astigmatism:<\/strong> This is the most common type. The curvature of the cornea differs across two principal meridians that are perpendicular to each other. Because the deviation is uniform, it is easily corrected with glasses or <strong>toric contact lenses<\/strong>.<\/li>\n\n\n\n<li><strong>Irregular Astigmatism:<\/strong> Here, the corneal surface is unevenly curved, often due to scarring or conditions like <strong>keratoconus<\/strong>. Because the light refraction is inconsistent, correction is more complex, often requiring specialized hard contact lenses or surgical intervention.<\/li>\n<\/ul>\n\n\n\n<p>An ophthalmologist can determine not only if you have astigmatism but also which specific type you have, allowing them to advise you on the best treatment path.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neue-augen.de\/augenlasern\/astigmatismus-test\/\">Take the Astigmatism Test now<\/a><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"astigmatism-vs-nearsightedness-vs-farsightedness-the-key-differences\">Astigmatism vs. Nearsightedness vs. Farsightedness: The Key Differences<\/h2>\n\n\n<p>While all three are common refractive errors, they affect vision differently:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Condition<\/strong><\/td><td><strong>Primary Issue<\/strong><\/td><td><strong>How Light Focuses<\/strong><\/td><td><strong>Result<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Astigmatism<\/strong><\/td><td>Irregular cornea\/lens shape<\/td><td>Multiple focal points or lines<\/td><td>Blurred\/distorted vision at <strong>all<\/strong> distances<\/td><\/tr><tr><td><strong>Nearsightedness<\/strong> (Myopia)<\/td><td>Eyeball too long or cornea too strong<\/td><td><strong>In front<\/strong> of the retina<\/td><td>Distance objects are blurry; near vision is clear<\/td><\/tr><tr><td><strong>Farsightedness<\/strong> (Hyperopia)<\/td><td>Eyeball too short or cornea too weak<\/td><td><strong>Behind<\/strong> the retina<\/td><td>Near objects are blurry; distance vision is usually clear<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neue-augen.de\/augenlasern\/hornhautverkruemmung-lasern\/\">Augenlasern bei Hornhautverkr\u00fcmmung \u2013 mehr erfahren<\/a><\/div>\n<\/div>\n\n\n\n<p><strong>Note:<\/strong> Astigmatism often occurs alongside myopia or hyperopia, but it must be treated as a distinct condition to achieve perfect clarity.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h3 class=\"wp-block-heading\" id=\"risk-factors-what-causes-astigmatism\">Risk Factors: What Causes Astigmatism?<\/h3>\n\n\n<p>The primary cause of astigmatism is an imperfectly curved cornea that fails to bundle light rays correctly. While this is usually <strong>genetically determined<\/strong> and cannot be prevented, other factors can increase the risk:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Trauma or Surgery:<\/strong> Eye injuries or previous surgeries that alter the corneal shape.<\/li>\n\n\n\n<li><strong>Corneal Diseases:<\/strong> Conditions like <strong>keratoconus<\/strong>, where the cornea thins and becomes cone-shaped.<\/li>\n\n\n\n<li><strong>Associated Conditions:<\/strong> Diseases like glaucoma or macular degeneration can sometimes lead to changes in corneal shape.<\/li>\n\n\n\n<li><strong>Environmental Strain:<\/strong> Prolonged screen work or reading in poor lighting can increase eye strain and weaken eye muscles, potentially exacerbating existing issues.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h3 class=\"wp-block-heading\" id=\"do-you-have-these-symptoms-recognizing-astigmatism\">Do You Have These Symptoms? Recognizing Astigmatism<\/h3>\n\n\n<p>Symptoms can vary, but the most common indicators include:<\/p>\n\n\n\n<p><strong>Distorted Vision:<\/strong> Straight lines or edges appearing slanted or wavy; points of light appearing as &#8220;focal lines.&#8221;<\/p>\n\n\n\n<p><strong>Blurred Vision:<\/strong> Difficulty reading text or recognizing faces at any distance.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"diagnosis-how-an-ophthalmologist-detects-astigmatism\">Diagnosis: How an Ophthalmologist Detects Astigmatism<\/h3>\n\n\n<p>The diagnosis of corneal astigmatism begins with a thorough eye examination. A core component of this check-up is the <strong>visual acuity test<\/strong>, where the patient reads letters or symbols of various sizes. This fundamental method provides the first clues to a potential refractive error like astigmatism.<\/p>\n\n\n\n<p>To determine the exact power of the astigmatism, the ophthalmologist performs a <strong>refraction test<\/strong>. Using a device called a <strong>phoropter<\/strong>, the doctor determines how your eye refracts light. This measurement identifies the refractive error and reveals whether an irregular corneal curvature is present. <strong>Ophthalmometry<\/strong> (or keratometry) also plays a vital role, as it precisely measures the curvature of the corneal surface to define the optimal correction.<\/p>\n\n\n\n<p>Additionally, the ophthalmologist may perform <strong>corneal topography<\/strong>. This specialized exam produces a detailed 3D map of the corneal surface, showing exactly how uniform or irregular the curvature is. This information is critical when considering advanced treatments like <strong>laser eye surgery for astigmatism<\/strong>. These combined methods allow the specialist to recommend the most effective treatment, whether it be glasses, toric contact lenses, or surgical measures.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"severity-levels-of-astigmatism-when-should-you-take-action\">Severity Levels of Astigmatism: When Should You Take Action?<\/h3>\n\n\n<p>Astigmatism occurs in various degrees of severity, measured in <strong>diopters<\/strong>. This value indicates how significantly the corneal shape impacts your vision:<\/p>\n\n\n\n<p>The severity of astigmatism is categorized based on diopter values, which directly reflect how significantly the corneal shape impacts visual quality. <strong>Mild astigmatism<\/strong> is typically defined by values up to <strong>0.75 dpt<\/strong>; this often causes only minimal issues, meaning many individuals do not require correction unless other refractive errors, such as myopia, are also present. <\/p>\n\n\n\n<p>Once the curvature reaches a <strong>moderate range between 0.75 and 2.25 dpt<\/strong>, it results in a noticeable impairment of vision. In these cases, corrections such as glasses with a cylindrical grind or toric contact lenses are essential to ensure a sharp focus. Furthermore, <strong>severe astigmatism<\/strong>\u2014with values exceeding <strong>2.25 dpt<\/strong>\u2014requires intensive treatment. Here, correction via glasses, specialized lenses, or laser eye surgery is vital to permanently restore the patient&#8217;s quality of life.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neue-augen.de\/augenlasern\/hornhautverkruemmung-lasern\/\">Eye laser treatment with Astigmatism<\/a><\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"this-section-is-particularly-sensitive-as-it-addresses-both-pediatric-care-and-the-practical-everyday-solutions-for-adults-in-english-the-term-amblyopia-lazy-eye-is-a-critical-keyword-for-parents-to-u\">This section is particularly sensitive as it addresses both pediatric care and the practical everyday solutions for adults. In English, the term <strong>&#8220;Amblyopia&#8221;<\/strong> (lazy eye) is a critical keyword for parents to understand.<\/h3>\n\n\n<p>Here is the professional translation for your blog:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<h3 class=\"wp-block-heading\" id=\"astigmatism-in-children\">Astigmatism in Children<\/h3>\n\n\n<p>Astigmatism in children often goes unnoticed because young eyes are highly adaptive and compensate for blurred vision. However, untreated astigmatism can lead to serious developmental issues, including <strong>Amblyopia<\/strong> (commonly known as &#8220;lazy eye&#8221;), where one eye fails to develop normal visual acuity. Early detection is vital to ensure healthy visual development.<\/p>\n\n\n\n<p>Signs that a child may have astigmatism include frequent squinting, headaches, or difficulty concentrating while reading. A professional diagnosis is essential: typically, glasses with specialized <strong>cylindrical lenses<\/strong> are prescribed to correct the irregular corneal curvature and provide the child with a clear, sharp image.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"treatment-what-can-be-done-about-astigmatism\">Treatment: What Can Be Done About Astigmatism?<\/h3>\n\n\n<p>There are several effective ways to treat corneal astigmatism, ranging from traditional eyewear to advanced refractive surgery.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"1-glasses-for-astigmatism\">1. Glasses for Astigmatism<\/h4>\n\n\n<p>Glasses remain one of the most common and reliable methods for correcting astigmatism. As previously described, this condition causes light to focus improperly on the retina due to the uneven shape of the cornea. Glasses featuring <strong>cylindrical lenses<\/strong> are specifically engineered to compensate for this irregularity, redirecting light rays to a single precise point on the retina.<\/p>\n\n\n\n<p>These lenses are custom-made to match the specific &#8220;axis&#8221; and &#8220;power&#8221; of your eye\u2019s curvature. Your ophthalmologist or optician determines these values through <strong>refraction testing<\/strong> and <strong>ophthalmometry<\/strong>. Modern manufacturing techniques now allow these lenses to be thinner and more aesthetically pleasing, even for higher prescriptions, while successfully correcting both regular and mild irregular astigmatism.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"2-contact-lenses-for-astigmatism\">2. Contact Lenses for Astigmatism<\/h4>\n\n\n<p>Contact lenses offer a versatile alternative to glasses, particularly through the use of specialized <strong>toric contact lenses<\/strong>. These lenses feature different refractive powers in different meridians to offset the uneven corneal shape.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Soft Toric Lenses:<\/strong> These provide high wearing comfort and are ideal for mild to moderate astigmatism. They are designed to stay stable on the eye even during rapid movement.<\/li>\n\n\n\n<li><strong>Rigid Gas Permeable (RGP) Lenses:<\/strong> Often called &#8220;hard&#8221; lenses, these are frequently the best choice for severe or <strong>irregular astigmatism<\/strong> (such as in cases of Keratoconus). Because they maintain their firm shape, they provide exceptionally crisp and precise correction.<\/li>\n<\/ul>\n\n\n\n<p>While contact lenses offer an unrestricted field of vision and a natural appearance, they require diligent hygiene and care to prevent infections. Regular check-ups with your ophthalmologist are essential to ensure the fit remains optimal for your eye health.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neue-augen.de\/augenlasern\/astigmatismus-test\/\"> Astigmatism testing<\/a><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"laser-eye-surgery-for-astigmatism\">Laser Eye Surgery for Astigmatism<\/h2>\n\n\n<p>Laser correction for astigmatism is an effective way to permanently rectify this refractive error. During the procedure, the irregular curvature of the cornea is precisely reshaped to focus incoming light correctly onto the retina, resulting in a sharp, clear image.<\/p>\n\n\n\n<p>Two of the most common procedures are <strong><a href=\"https:\/\/neue-augen.de\/en\/laser-eye-surgery-under-45\/femto-lasik\/\" title=\"Femto-LASIK\">Femto-LASIK<\/a><\/strong> and <strong>SMILE\u00ae pro<\/strong>. Both methods offer high-precision correction and are excellently suited for patients with regular astigmatism. <strong>SMILE\u00ae pro<\/strong> is a minimally invasive, particularly gentle procedure that is also a viable option for patients with thinner corneas.<\/p>\n\n\n\n<p>In addition to these laser treatments, the <strong>A-PRK<\/strong> method can be considered. Another possibility is the use of <strong>intraocular lenses (ICL)<\/strong> or lens replacement, especially if the astigmatism is severe or if other conditions like cataracts are present. In these cases, the natural lens is replaced by a <strong>toric artificial lens<\/strong>, which corrects the astigmatism while simultaneously addressing other visual errors.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"astigmatism-laser-treatments-at-banyai-new-eyes\">Astigmatism Laser Treatments at B\u00e1nyai New Eyes<\/h3>\n\n\n<p>At <strong>B\u00e1nyai New Eyes<\/strong> in Stuttgart and Karlsruhe, we offer modern and proven methods for correcting corneal astigmatism. Our leading procedures, Femto-LASIK and SMILE\u00ae pro, provide precise and gentle solutions to permanently correct corneal irregularities.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Femto-LASIK:<\/strong> This method is particularly suitable for astigmatism patients as it allows for targeted and controlled reshaping of the cornea. By utilizing state-of-the-art laser technology, we ensure maximum safety and efficiency, leading to a significant improvement in visual quality.<\/li>\n\n\n\n<li><strong>SMILE\u00ae pro:<\/strong> As a minimally invasive alternative, SMILE\u00ae pro is ideal for patients with dry eyes or thinner corneas. This procedure is even gentler, requiring only a tiny access point in the cornea. Both methods allow for a rapid recovery and offer long-term results.<\/li>\n<\/ul>\n\n\n\n<p>Additionally, <strong>B\u00e1nyai New Eyes<\/strong> offers the option of artificial lenses. These <strong>toric lenses<\/strong> replace the eye&#8217;s natural lens and correct not only astigmatism but also other refractive errors such as farsightedness or presbyopia. We also perform <strong>A-PRK<\/strong> treatments\u2014during a comprehensive preliminary examination, we will work together to find the ideal procedure for your specific needs.<\/p>\n\n\n\n<p>With our decades of experience and the use of the latest technologies, we ensure that every treatment is individually tailored to achieve the best possible result for every patient.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/neue-augen.de\/hornhautverkruemmung-lasern\/\">Learn More About Laser Eye Surgery for Astigmatism<\/a><\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"faqs-for-astigmatism\">FAQs for Astigmatism<\/h3>\n\n\n<div class=\"wp-block-klx-faq active\"><h3>What Can Be Done to Treat Astigmatism?<\/h3><div class=\"faq-block\">\n<p>There are several ways to effectively treat corneal astigmatism. The most common methods include wearing <strong>glasses with cylindrical lenses<\/strong> or <strong>toric contact lenses<\/strong>, both of which compensate for the irregular curvature of the cornea. For those seeking a <strong>permanent solution<\/strong>, laser procedures such as <strong>Femto-LASIK<\/strong> or <strong>SMILE\u00ae PRO<\/strong> are excellent options to precisely reshape and correct the cornea.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-klx-faq\"><h3>How can you tell if you have astigmatism?<\/h3><div class=\"faq-block\">\n<p>With corneal astigmatism, light is not focused correctly due to the irregular curvature of the cornea, leading to <strong>blurred or distorted vision<\/strong>. This refractive error can affect both near and distance vision and typically requires correction through visual aids or laser treatment.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-klx-faq\"><h3>&lt;br>What happens if you have astigmatism and don&#8217;t wear glasses?<\/h3><div class=\"faq-block\">\n<p>If corneal astigmatism remains uncorrected, it can lead to <strong>chronic problems<\/strong> such as persistent headaches, constant eye strain, and a further deterioration of visual performance. Particularly in children, undiagnosed and untreated astigmatism can result in <strong>Amblyopia<\/strong> (commonly known as &#8220;lazy eye&#8221;), a condition where one eye permanently develops weaker vision than the other.<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Corneal astigmatism often occurs alongside other vision problems, but it is a distinct refractive error. In this article, you will learn useful information about astigmatism.<\/p>\n","protected":false},"author":5,"featured_media":91596471169,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","sseo_meta_title":"","sseo_meta_description":"","sseo_reviewed_by":0,"sseo_last_reviewed":""},"categories":[87],"tags":[20,94],"class_list":["post-91596471167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-corneal-disease","tag-fehlsichtigkeiten","tag-refractive-errors"],"_links":{"self":[{"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/posts\/91596471167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/comments?post=91596471167"}],"version-history":[{"count":3,"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/posts\/91596471167\/revisions"}],"predecessor-version":[{"id":91596472085,"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/posts\/91596471167\/revisions\/91596472085"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/media\/91596471169"}],"wp:attachment":[{"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/media?parent=91596471167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/categories?post=91596471167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/neue-augen.de\/en\/wp-json\/wp\/v2\/tags?post=91596471167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}