The surgical treatment for myopia mainly includes laser surgery and intraocular surgery. The process of examination is generally the same. The preoperative examination has more items, including two parts: first, the examination of the whole body, including electrocardiogram, chest X-ray, blood routine, virus-related, etc.; second, the examination of the eyes, which is more important because it is related to the surgery, includes corneal topography, corneal curvature, corneal thickness, A and B ultrasound of the eyes, IOL measurement, fundus examination, etc. After completing these examinations, the surgical plan can be designed according to the results of the specific examinations. The surgery is usually done on the second day after the examination, and the patient can be discharged one or two days after the surgery.