Laser surgery refers to the use of carbon dioxide light-emitting tubes to emit high-power light to pathological tissues, which can make inflammation absorb and destroy tumors, and low-power can remove spots and beautify. There are excimer laser keratectomy, excimer laser in situ keratomileusis and excimer laser in situ keratomileusis.
After the operation, now wearing glasses can achieve the best corrected vision. In daily life, the vision of 0.5~0.9 can be removed without glasses, which is the standard for basic lens removal after operation. Most people's postoperative visual acuity is around 1.0, which meets the general requirements of joining the army, driving and entering higher schools. Some people reach 1.5 or even 2.0. But the degree of postoperative recovery varies from person to person. It is predictable after detailed preoperative examination.