Laser eye surgery is an effective method that can correct or improve your vision. Many people have blurred eyesight because of some irregularity in the shape of the cornea or eyeball. These irregularities are referred to as refractive errors. If you have a refractive error such as astigmatism, myopia or hyperopia, you can benefit from laser eye surgery.
A variety of surgical procedures can correct or adjust the eye’s focusing ability. This can be achieved by reshaping the cornea, the outermost layer of the eye. Different types of surgical procedures correct vision by using lasers to reshape the cornea. Some types of refractive surgery that use lasers are LASIK and photorefractive keratectomy (PRK).
Lasers are high-tech instruments that are used in ophthalmology. Lasers deliver a focused beam of concentrated light. Lasers are popular and are used in surgery because they can burn or cut tissue with precision. Laser eye surgery can be used to treat people with myopia, hyperopia and astigmatism.
Myopia is a refractive error that allows an individual to see objects that are close more clearly than those that are farther away. Nearsighted people can benefit from certain refractive surgery techniques. These techniques reduce the curvature of a cornea that is too steep so that the focusing power of the eye is lessened. If the cornea is too steep or the eye is longer than normal, light rays focus in front of the retina rather than on it. This causes distant objects to appear blurred and near objects to be seen clearly. After surgery, images that are focused in front of the retina will be pushed directly onto or closer to the retina.
Hyperopia is a refractive error that allows an individual to see distant objects better than those that are close. Hyperopia happens when the cornea is too flat or if the eye is shorter than normal. As a result, instead of light rays being focused on the retina, they are focused beyond it. Farsighted people can benefit from refractive surgery procedures that may achieve a steeper cornea. This increases the focusing power of the eye. After surgery, images will not be focused beyond the retina and the images will be pulled directly onto or closer to the retina.
Astigmatism is a refractive error that happens when the cornea is not smooth or round. This problem can be corrected with techniques that reshape portions of an irregular cornea to make it symmetrical or smooth. These techniques help ensure images focus clearly on the retina. They will no longer be distorted because of light rays not being refracted or bent properly by an irregularly shaped cornea.
Laser eye surgery or refractive surgery may refer to a medical procedure that relies on the use of a laser to reshape the surface of the eye. Refractive errors can be corrected by different types of refractive surgery. If you are considering laser eye surgery, you should talk to your ophthalmologist. Your ophthalmologist can evaluate your condition and help you determine the procedure that will meet your lifestyle and vision needs.
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