At present, the technology and equipment of myopia surgery are updated rapidly. Jingmen can go to a doctor or Aier for myopia surgery. These two hospitals have their own advantages and disadvantages. The first doctor is a third-class hospital, and Aier is a national chain but private. A doctor is a Zimmer femtosecond laser, which can only do half femtosecond; Aier is a German Zeiss VisuMax full femtosecond laser with more advanced equipment.