Astigmatism myopia can be operated on. For astigmatism, there are several types, namely, cis-regular astigmatism, retro-regular astigmatism, oblique axis astigmatism, and irregular astigmatism. The requirement for myopia surgery for astigmatism is a degree below 600 degrees, and surgery can be performed for regular astigmatism or oblique axis astigmatism. For irregular astigmatism, laser surgery may not be appropriate. There are two causes of astigmatism, as follows: first, genetic, that is, congenital, from birth after the decision of the cornea has astigmatism, astigmatism is generally stable. Second, the acquired environment, eye habits, such as eye rubbing, inflammation of the cornea can also cause astigmatism changes.