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== | |||
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&end=164}} | |||
==More than 1 diopter of CYL== | |||
===What do I do 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] |
Latest revision as of 14:12, 4 September 2021
Frequently Frequently Asked Questions (please read this!) |
About Myopia | LASIK |
Glasses & diopters |
Mindset | Troubleshooting |
Active Focus | Habits | Measurement | Normalized | Differentials | Astigmatism | Other |
Skepticism |
About EM | Paid course | Other eyesight conditions |
Ineffective Myopia Treatments |
What is astigmatism?
Astigmatism is myopia in a specific axis of the eye, as opposed to myopia for the whole of the eye.
Is astigmatism genetic?
In 99% of cases, no - astigmatism is induced. Actual genetic astigmatism is incredibly rare.
Can you reverse astigmatism?
Yes. Many participants have been able to reduce their astigmatism correction.
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.
Blog post: Topic: How To: Test If You Need Astigmatism Correction (for Normalized Prescriptions)
Less than 1 diopter of CYL
In the majority of cases, you can ditch astigmatism correction entirely if it's under one diopter.
More than 1 diopter of CYL
What do I do for close-up?
Blog post: Topic: How to choose a Differential Prescription if You Have High Astigmatism
Blog post: Topic: Addressing > 1 Diopter Astigmatism For Close-Up (No content; video is private.)
What if I have high cylinder and low myopia?
Blog post: Topic: (Q&A) High Astigmatism, Low Myopia – Sph. To Cyl. Ratio Control