Prk surgery is the short term of Potorefractive Keratectomy which would remove the excessive cornea epidermal in order to get rid of myopia. It has some side effects, let me tell you. Photophoby the sensitiveness of rays will be increased and it will recovery to the normal level for 1 to 3 months. Dazzle and diplopia especially at night, but it will disappear gradually. Healing uncompleted, but artificial tear will help for the recovery. Nubecula, especially appear in the strong prescription, for 1 to 3 months. Some steroid eyes drop will help to control the symptom till it healed. Complication, which caused by incision unfairness, it may need surgery again after 3 months. However, I think its normal, because any surgery has its own risk, take care of yourself, hope everything goes well with you!