Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs AstigmatismUpdated: 2017-06-13OverviewAstigmatism is a common imperfection in the eye's curvature. The front surface of the eye or the lens, inside the eye, is curved differently in 1 direction than the other.SymptomsThis can blur vision.TreatmentsTreatments include prescription eyeglasses or contact lenses. Laser-assisted surgery, such as LASIK, also may help. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use