2. A vacuum ring is placed throughout the cornea, which serves to stabilize the eyeball and likewise functions for a System with the microkeratome. When vacuum is activated, the eyesight results in being hazy and pressure on the attention is felt. Undercorrections. Should the laser removes also very little tissue https://allbookmarking.com/story21087099/helping-the-others-realize-the-advantages-of-lasik-treatment