Go to the eye hospital for a detailed examination before the operation. Do it after the eye degree is stable, otherwise the degree will rise again. The cost of preoperative examination in eye hospital is about less than 1000 yuan.
In addition to the eye hospital, there is also a dawn hospital, which is said to be made by doctors from the Affiliated Hospital of Raw Coal Medicine. However, Liming Hospital is too small to be standardized, and there is no guarantee in case there is something wrong with the operation. So it is not recommended.
By the way, it's easy to do it without high vision. My left eye is 650 and my right eye is 750.