Astigmatism is when either the front surface of your eye or the lens has mismatched curves.
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Astigmatism is when either the front surface of your eye or the lens has mismatched curves.
For the most part you cannot totally correct astigmatism. The non spherical shape of the cornea causing astigmatism is a physical feature. In order to cure this the shape of the cornea would have to be altered or a compensatory change in the lens in the eye would have to be introduced, only available with implantation of toric intraocular lenses. Orthokeratology where hard contact lenses worn for periods of time to physically change the shape of the cornea are another temporary and somewhat controversial method of treating astigmatism without glasses.
I’ll list out some methods of correcting astigmatism; Eye exercises work by stimulating integral components of the eye in a manner that is not achieved through normal daily use. Within days or weeks, you can notice first-hand improvements in your natural vision. Wearing eyeglasses, contact lenses designed for astigmatism is also a way to correct astigmatism. Lastly, some people try to cure astigmatism via refractive surgery.