New Vision Eye Centre provides the best REFRACTIVE SURGERY SERVICES. If you have a refractive error, such as nearsightedness (myopia), farsightedness (hyperopia), astigmatism, or presbyopia, you can have refractive surgery to improve or correct your vision. Surgery can be used to change the cornea, the transparent, spherical dome at the front of your eye, in order to improve or modify how well it can focus. Your eye may receive a lens implant during certain procedures. The most common type of refractive surgery, known as LASIK (laser-assisted in situ keratomileuses), involves using a laser to reshape the cornea. In nearsighted patients, some refractive surgery techniques can lessen an excessively steep corneal curvature, reducing the eye's focusing power. Images that were previously focused in front of the retina due to a longer eye or a steep corneal curve are now pushed up against or right onto the retina after surgery. Farsighted people who want to improve their eyes' ability to focus will undergo refractive surgery procedures that lead to a steeper cornea. Images that, due to a short eye or flat cornea, are focused outside of the retina will be brought close to or directly onto the retina after surgery. For the purpose of treating astigmatism, methods of refractive surgery can be used to selectively reshape areas of an asymmetrical cornea to make them smooth and symmetrical. As a result, instead of being distorted by light scattering through an asymmetrical cornea, images are sharply focused on the retina.
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