Difference between revisions of Frequently Asked Questions/Astigmatism

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==How do I know if I have astigmatism?==
==How do I know if I have astigmatism?==
If you have a [[prescription]] from an [[optometrist]], look for [[Cylinder]] or CYL. The Cylinder value is your astigmatism. The [[axis]] value is the plane in which the astigmatism is present.
If you have a [[prescription]] from an [[optometrist]], look for [[Cylinder]] or CYL. The Cylinder value is your astigmatism. The [[axis]] value is the plane in which the astigmatism is present.
Blog post:  [https://endmyopia.org/test-need-astigmatism-correction-normalized-prescriptions/  Topic: How To: Test If You Need Astigmatism Correction (for Normalized Prescriptions)]
==Less than 1 diopter of CYL==
==Less than 1 diopter of CYL==
In the majority of cases, you can ditch astigmatism correction entirely if it's under one diopter.
In the majority of cases, you can ditch astigmatism correction entirely if it's under one diopter.
{{#ev:youtube|https://www.youtube.com/watch?v=NAqxMPZT8HU|||||start=126}}
{{#ev:youtube|https://www.youtube.com/watch?v=NAqxMPZT8HU|||||start=126&end=164}}
 
==More than 1 diopter of CYL==
==More than 1 diopter of CYL==
===What do I do for close-up?===
===What do I do for close-up?===
Blog post: [https://endmyopia.org/pro-topic-addressing-1-diopter-astigmatism-for-close-up/Pro Topic: Addressing > 1 Diopter Astigmatism For Close-Up]
 
Blog post: [https://endmyopia.org/how-to-choose-a-differential-prescription-if-you-have-high-astigmatism Topic: How to choose a Differential Prescription if You Have High Astigmatism] <br />
Blog post: [https://endmyopia.org/pro-topic-addressing-1-diopter-astigmatism-for-close-up/Pro <s>Topic: Addressing > 1 Diopter Astigmatism For Close-Up</s>] (No content; video is private.)
 
{{#ev:youtube|https://www.youtube.com/watch?v=zzgYNQGMxpM|||||start=75}}
{{#ev:youtube|https://www.youtube.com/watch?v=NAqxMPZT8HU|||||start=165}}
===What if I have high cylinder and low myopia?===
 
Blog post: [https://endmyopia.org/qa-high-astigmatism-low-myopia-sph-to-cyl-ratio-control/ Topic: (Q&A) High Astigmatism, Low Myopia – Sph. To Cyl. Ratio Control]