The cornea is the very clear, spherical "window" of tissue that allows light-weight to enter the front of the attention. By reshaping the cornea, the surgeon adjusts the focus of light within the retina. (The retina is the layer in the back of the eye answerable for sight.) For instance, https://nerodirectory.com/listings13296193/lasik-eye-surgery-can-be-fun-for-anyone