1, enter the operating room eye local sterilization; 2, the patient lies flat on the surgical bed, drops of anesthetic eye drops, wait 20 seconds; 3, the doctor with a lid opener to hold the patient’s eyelids open, rinse the eyes; 4, mark the cornea, according to the corneal curvature to choose the negative pressure ring model; 5, with a microkeratome in the cornea to make a round flap with a tip and lift, with a cotton swab to absorb excess water on the cornea; 6, start Laser cutting, the doctor through the microscope to observe the entire implementation of the procedure, the patient to cooperate, keep the head still, eyes on the indicator; 7, laser cutting is completed after the tip of the cornea reset (cutting time of a few seconds to within a dozen seconds); 8, check the corneal reset, antibiotic eye drops, one eye surgery is complete; 9, repeat the process before doing the other eye, two eyes surgery time a total of ten minutes 10. leave the operating room and go home to rest.