Two. A vacuum ring is positioned within the cornea, which serves to stabilize the eyeball and in addition acts being a platform to the microkeratome. When vacuum is activated, the vision will become hazy and strain on the eye is felt. Stable Eyesight: Candidates must have a steady eyeglass or https://wekurehealth.com/blog/cataract-surgery-in-delhi-advanced-treatment-for-clear-and-confident-vision/