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A 19-year-old female asked about a 22-year-old male:

What is astigmatism? and what causes it?

1 doctor answer1 doctor weighed in
Dr. Martin Perlmutter
Ophthalmology 60 years experience
Eye mishapend: astigmatism is when the eye or its structures are not round (spherical). It commonly is on the cornes but may be in the lens or the shape of the eye itself.

Similar questions

A 21-year-old member asked:

What causes astigmatism?

4 doctor answers8 doctors weighed in
Dr. Vasu Brown
Integrative Medicine 35 years experience
Irregular Cornea: Astigmatism usually is caused by an irregularly shaped cornea. Instead of the cornea having a symmetrically round shape (like a baseball), it is shaped more like a football, with one meridian being significantly more curved than the meridian perpendicular to it. Astigmatism usually causes vision to be blurred or distorted to some degree at all distances.
A 43-year-old member asked:

What is astigmatism?

4 doctor answers6 doctors weighed in
Dr. Richard Bensinger
Ophthalmology 53 years experience
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.

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Please tell me can diabetes cause astigmatism?
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Can severe astigmatism cause visual disturbances?
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Can astigmatism of 0.75 cause headaches only during reading?
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Astigmatism causes double vision?
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Last updated Apr 23, 2016

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