How to treat eye refractive error

First of all, we should understand what is refractive error, refractive error is in the case of eye adjustment, parallel light into the eye, after refraction system, refraction can not focus in the fovea, can not form a clear image, in this state, we go to called refractive error. Generally speaking, refractive error is mainly divided into the following three types: the first, myopia. The second, hyperopia. The third, astigmatism. If the patient shows refractive error, how should we treat it? Generally speaking, depending on the patient's condition, we mainly wear glasses, wear contact lenses, and surgery. For minors, we can wear glasses or orthokeratology lenses. For adults, we can also perform surgery to treat refractive error.