How is astigmatism treated?

Contact lenses. The irregularities in the curvature of the cornea can be addressed though customized contact lenses.
Astigmatism. Astigmatism is where the surface of the eye is peaked like a football, instead of being smooth like a soccerball. Uncorrected astigmatism causes straight lines to appear wavy. It may be corrected with glasses, contact lenses, or refractive surgery. For people with significant cataracts, it may be corrected with a toric implant.