2. A Vacuum ring is placed across the cornea, which serves to stabilize the eyeball as well as acts as being a platform to the microkeratome. When vacuum is activated, the vision turns into hazy and strain on the eye is felt. Critical eyesight loss from LASIK is incredibly rare https://binksites.com/story10822531/the-smart-trick-of-lasik-treatment-that-no-one-is-discussing