2. A vacuum ring is positioned across the cornea, which serves to stabilize the eyeball and also acts to be a System to the microkeratome. When vacuum is activated, the eyesight gets to be hazy and pressure on the attention is felt. Intense eyesight loss from LASIK is extremely uncommon https://seo-webdirectory.com/listings13458937/not-known-details-about-lasik-eye-surgery