Astigmatism means that the cornea is oval like a football instead of spherical like a basketball. Most astigmatic corneas have a steeper curve and a flatter curve. This causes light to focus on more than one point in the eye, resulting in blurred vision at distance or near. Astigmatism often occurs along with or farsightedness.

Astigmatism can be corrected with glasses, contacts, or surgically. The most common surgery used to correct astigmatism is LASIK. During the LASIK procedures, the cornea is reshaped to become more spherical or uniformly curved.
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