2. A vacuum ring is placed around the cornea, which serves to stabilize the eyeball as well as acts like a platform for your microkeratome. When vacuum is activated, the vision gets to be hazy and pressure on the eye is felt. LASIK can likely make improvements to vision difficulties https://bouchesocial.com/story23185958/the-single-best-strategy-to-use-for-lasik-eye-surgery