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Astigmatism can accompany any form of refractive error and is very common. It results from a steepening of the cornea or natural lens, causing light to be focused unevenly, which is the main optical problem with this condition.


To individuals with uncorrected astigmatism, images may look blurry, stretched or shadowed.


Astigmatism can be corrected with glasses, contact lenses, corneal relaxing incisions, laser vision correction procedures (LASIK, SMILE, PRK) and special implant lenses.