2. A vacuum ring is placed around the cornea, which serves to stabilize the eyeball and in addition functions for a platform with the microkeratome. When vacuum is activated, the eyesight becomes hazy and strain on the eye is felt. Most patients recognize clearer eyesight promptly after the method, with https://preniumdirectory.com/listings13492991/not-known-factual-statements-about-lasik-eye-surgery