Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or ...

Have you ever gone to the optometrist for an eye test and were told your eye was shaped like a football?Or perhaps you've noticed your vi ...

Around 40 percent of people have eyeballs that aren't smooth or round, which gets in the way of light passing through.

An astigmatism is a common refractive error of the eye, where one or sometimes more of the eye's surfaces aren't perfectly ...

Medically reviewed by Christine L. Larsen, MD Astigmatism is a common eye condition that happens when the cornea, or lens of ...

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In 2015, prevalence of refractive astigmatism of at least 1 D was 21.4%, and prevalence of corneal astigmatism of at least 1 D was 59.8%. By 2023, these rates increased to 34.7% and 64.7% ...