Did he succeed in increasing the range of sight?
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Laser vision surgery is a popular treatment for vision problems. It reduces or eliminates the need for eyeglasses or contact lenses.
Laser procedures can help correct refractive errors. These are problems caused by an imperfectly shaped eyeball or cornea. The cornea is the clear part on the front of the eye that bends and focuses light. Refractive errors cause light from an object to be imprecisely focused on the retina of the eye. This causes a blurred image. Refractive errors often occur in otherwise healthy eyes.
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