There are two main problems after myopic femtosecond laser surgery: 1, post-operative eye dryness, most people are obvious in the morning, most people are relieved in 3-6 months, femtosecond laser greatly reduces the time of eye dryness, less than three months. 2, glare, night vision loss, may affect the night driving, this situation generally occurs in the preoperative dark pupil large, poor intraoperative cooperation and high myopia patients, most of them gradually improve and disappear in 3-6 months after surgery, individuals will last longer. If wavefront aberration personalization technique is used, the duration of glare and night vision loss is greatly reduced to less than three months.