If you now aimed the flashlight toward the side of the donate ball, the light would form an elliptical shape and not seem as bright anymore. If you took a flashlight and aimed it directly at the top of the ball, the light would form a circular shape on the surface of the ball. donate Imagine a glass ball. 95mm size of the laser, produces a smooth, effective optical zone that results in what can only be described as seeing like never before.
This compensation, combined with the incredibly small, 0. In donate this manner, the aspherical shape of the cornea is preserved to a degree that older lasers simply could not achieve. More significantly, this means greater accuracy as well, due to less drying of the cornea during treatment, the chief cause of overcorrection. At 400 laser bursts per second, it takes only about two seconds of treatment to correct one donate diopter.