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Doctor insights on: Astigmatism

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Dr. Tim Conrad
388 doctors shared insights

Astigmatism (Overview)

Astigmatism is an eye condition that causes blurry vision because the eye is unable to focus light to a point and thus unable to produce a sharp image on the retina.


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What is astigmatism?

What is astigmatism?

Oval eye shape: Refractive errors require either plus (farsighted) or minus (nearsighted) glasses + an extra amount if the eye is oval in shape (astigmatism). These are called refractive errors and can be corrected with glasses or contacts. The list of other eye problems is long and these are usually unrelated to astigmatism. ...Read more

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Dr. Tim Conrad
388 doctors shared insights

Astigmatism (Overview)

Astigmatism is an eye condition that causes blurry vision because the eye is unable to focus light to a point and thus unable to produce a sharp image on the retina.


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How to tell if I have astigmatism?

How to tell if I have astigmatism?

Most people do: Most people have astigmatism which is when the front of the eye is not a perfect sphere. With significant astigmatism, your uncorrected (without glasses or contacts) vision is blurred. So if you don't have blurred vision, you don't have significant astigmatism. If you do have blurred vision, your eye doctor can tell you if it is due astigmatism or another cause. ...Read more

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Treating Astigmatism (Tip)

Treating Astigmatism

Do not rub your eyes vigorously, it can lead to keratoconus. ...See more

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Treating Astigmatism (Checklist)

Learn about options for treatment
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Choose glasses, contact lenses, or refractive surgery
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How does astigmatism cause double vision?

How does astigmatism cause double vision?

Out of focus: Astigmatism makes a misshapen image (changed in one axis) and thus can have blurred edges and appear doubled or ghosted. ...Read more

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How bad is astigmatism?

How bad is astigmatism?

Usually not: Astigmatism is a physical curvature aspect of the cornea and lens of the eye which in effect makes the eye oval. The term astigmatism is from physics and is not usually a bad thing. The correction is a reverse oval in the eyeglasses or contacts. Most astigmatism is small and easily corrected. Sometimes it is large or irregular and that make perfect vision difficult. See your ophthalmologist. ...Read more

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Treating Astigmatism (Tip)

Treating Astigmatism

Eat foods for the eyes—vit A, beta carotene, lutein. Don't read in dim areas. Protect eyes from sun. ...See more

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Can astigmatism be a symptom of mitochondrial disease?

Can astigmatism be a symptom of mitochondrial disease?

No: Astigmatism has to do with the shape of the eyeball which is heavily influenced by genetics. It is quite different from what happens inside the metabolism of functioning cells. The mitochondria are little work centers that process/make things in response to and in unison with the information provided by the cell nucleus. ...Read more

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What causes astigmatism?

Eye growth: Mosty astigmatism is due to the way the eye develops as it grows and is due to differential growth in one axis causing an ovalness of the need for glasses. Some astigmatism can also be from eye trauma. ...Read more

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Treating Astigmatism (Tip)

Treating Astigmatism

With good lighting, you can lower your eyelid to partially cover the pupil and read more clearly. ...See more