There are requirements for vision to join the military, so when there is refractive error, such as myopia or astigmatism, you usually can’t pass the physical examination. In this case, you can consider refractive surgery to improve and correct your vision, but you should pay attention to the following points: first, it takes about six months after refractive surgery to recover and stabilize, so be sure to go to the military physical examination six months after surgery; second, there are two types of refractive surgery, the first is corneal refractive surgery, the second is intraocular refractive surgery, according to personal wishes and Third, there are a variety of complications of surgery, such as overcorrection, undercorrection, optics-related subjective claims, infectious keratitis, etc., so they should be carefully chosen before surgery.