1.Fast recovery of vision, high precision, good prediction, high stability and comfort. 2.Usually 2-3 days after surgery can resume normal work. 3.95-98% patients can achieve our predicted target visual acuity (best corrected visual acuity). 4.80% of patients recover to the best corrected vision one day after surgery, and 95-98% of patients recover the best corrected vision and keep it stable in one week. 5.Postoperatively, there is only a slight photophobia and tearing sensation, and very few friends have pain.