The cornea could be the distinct, spherical "window" of tissue that allows light to enter the entrance of the eye. By reshaping the cornea, the surgeon adjusts the main focus of light on the retina. (The retina is definitely the layer in the back of the eye answerable for sight.) https://iodirectory.com/listings13317158/how-much-you-need-to-expect-you-ll-pay-for-a-good-lasik-treatment