PRK, photorefractive keratectomy, can improve vision and help you get rid of eyeglasses or contacts. the principle is to reshape curvature of the eye by cutting the front surface in the center of cornea by excimer laser.
After surgery, in the first several days, your eyes might watery and painful. Do not worry, just do as what the doctor asked. And apply eye drops. In addition to that, the following you should pay attention to:
1. Do not let water flow into your eyes in 2 weeks.
2. Do not drink alcohol and have spicy food in 2 weeks.
3. Do not go swimming.
4. Do not read books or watch tv over a long period of time.
Remember: avoid eyestrain!