Overcorrections. It's Also feasible the laser will take away a lot of tissue out of your eye. Overcorrections might be more difficult to repair than undercorrections. The femtosecond laser produces a flap with uniform thickness, easy edges and precise dimensions. This reduces the probability of flap-related irregularities and increases predictability. https://prxdirectory.com/listings13473351/5-easy-facts-about-lasik-treatment-described