Two. A vacuum ring is positioned throughout the cornea, which serves to stabilize the eyeball and likewise acts like a System for the microkeratome. When vacuum is activated, the eyesight results in being hazy and pressure on the attention is felt. Most people working experience blurry or hazy vision quickly https://bookmarkassist.com/story20859820/5-tips-about-lasik-treatment-you-can-use-today