By using this service, some information may be shared with YouTube. The severity of astigmatism can be classified as follows: Mild Astigmatism 1.00 dioptre Moderate Astigmatism 1.00 to 2.00 dioptres Severe Astigmatism 2.00 to 3.00 dioptres Extreme Astigmatism > 3.00 dioptres Astigmatic people may suffer from headaches, tired eyes and sensitivity to bright lights. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. Most people have between 0.5 to 0.75 diopters of astigmatism. The second number is the size of the letters on the last line you can read compared to normal visual acuity. Extreme Astigmatism > 3.00 dioptres If you examine the image focused by an astigmatic eye on its retina, you may notice many superposed off-focus images on a well-focused image. Four Alternatives to Eyeglasses for Children with Myopia. Optilase clinics will remain open and all appointments will go ahead as planned. There is no way to necessarily "cure" astigmatism, but there are ways to treat it, such as prescription glasses or contacts. Astigmatism is a common eye condition that makes your vision blurry. Every day at wikiHow, we work hard to give you access to instructions and information that will help you live a better life, whether it's keeping you safer, healthier, or improving your well-being. Mild Astigmatism < 1.00 dioptre American Optometric Association You can also get laser surgery, or if it is really bad, have a corneal transplant. There are 16 references cited in this article, which can be found at the bottom of the page. Be honest with your doctor during these tests – even though technology is improving, your feedback still helps determine the outcomes of your eye exam. All rights reserved. Ophthalmologists and optometrists sometimes use different measurements for astigmatism. Professional medical organization dedicated to supporting optometrists and improving public eye and vision health, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/38\/Measure-Astigmatism-Step-1-Version-2.jpg\/v4-460px-Measure-Astigmatism-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/3\/38\/Measure-Astigmatism-Step-1-Version-2.jpg\/aid1456685-v4-728px-Measure-Astigmatism-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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\n<\/p><\/div>"}, Journal archive from the U.S. National Institutes of Health, Educational website from one of the world's leading hospitals.