Advantages of crystal implantation are: small incision, quick results, wide range of applications, and disadvantages: infection, high cost, etc. 1. Advantages of lens implantation: the incision of the surgery is small and does not require surgical sutures, which is favorable for the healing of the incision. The effect of vision correction can be felt immediately after the surgery. It can not only treat myopia, but also astigmatism, etc. The range of correction is wider than that of keratoconus surgery. 2. Disadvantages of lens implantation: Although the incision is small, there is a risk of infection. Generally speaking, the price of lens implantation is more expensive. If you want to correct your myopia by lens implantation, it is recommended that you go to a regular hospital for examination and make your choice under the guidance of a professional doctor.