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Doctor insights on: What Is A Level 3 Astigmatism

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Dr. Tim Conrad
390 doctors shared insights

Astigmatism (Definition)

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 ...Read more


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Which level of astigmatism is too high for regular contact lenses?

Up to : 3.5 diopters of astigmatism can be corrected with soft contact lenses. With rigid contacts, any amount of astigmatism can be corrected. ...Read more

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Astigmatism might require corrective lenses or glasses. At what level of astigmatism would I need help?

When blurred: Astigmatism is very common -- almost everyone has a little bit. It simply means that the cornea is not perfectly round, but rather has one steeper and one flatter curvature (like the side of a football rather than a basketball). People with more than 0.75diopters of astigmatism usually notice that images are blurred without glasses or contacts. ...Read more

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What is astigmatism?

What is astigmatism?

Astigmatism: Astigmatism is one type of refractive error. Myopia (or nearsightedness), hyperopa (or farsightedness), and astigmatism all can cause refractive error. Refractive error is what causes a patient to require glasses or contact lenses to see better. Astigmatism is typically when the cornea is shaped more like a football than a basketball. Glasses, contact, and LASIK can fix this problem. ...Read more

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What is astigmatism?

Corneal curvature: Astigmatism just means that your cornea is not perfectly spherically shaped and instead has different curvatures in different directions (kind of like a football in the extreme example). Everyone has some degree of astigmatism although not everyone has enough to notice it. I doubt you "need" any surgery. ...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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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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Can astigmatism be cured?

Can astigmatism be cured?

Yes: Astigmatism is an irregularity of the cornea that is generally treated with glasses or contact lenses. It can be surgically 'cured' with laser vision corrrection ( lasik or prk ) or incisional corneal procedures. ...Read more

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How common is astigmatism?

How common is astigmatism?

Very common: Small degrees are very common but are easily corrected with glasses. Big amounts can be difficult to correct but is less frequent. ...Read more

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How is astigmatism treated?

How is astigmatism treated?

Contact lenses: The irregularities in the curvature of the cornea can be addressed though customized contact lenses. ...Read more

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