2. A vacuum ring is placed throughout the cornea, which serves to stabilize the eyeball and likewise acts as being a System for the microkeratome. When vacuum is activated, the vision will become hazy and force on the attention is felt. LASIK can perhaps increase eyesight difficulties due to refractive https://johsocial.com/story11593424/5-tips-about-lasik-treatment-you-can-use-today