2. A vacuum ring is positioned throughout the cornea, which serves to stabilize the eyeball and in addition acts to be a platform for your microkeratome. When vacuum is activated, the eyesight becomes hazy and strain on the attention is felt. Plan appointments with local optometrists or ophthalmologists to debate https://bookmarkproduct.com/story21071156/not-known-factual-statements-about-lasik-eye-surgery