For clear vision lớn occur, the cornea in the front of the eye must have the correct shape and power khổng lồ focus incoming light rays precisely on the retina at the back of the eye. If the cornea is too steep, too flat or irregular in shape, it cannot bend light at the angle needed to lớn focus on the retina. Eyeglasses or liên hệ lenses are often needed to lớn refract the incoming light rays at the angle needed for clear vision.
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Refractive surgery procedures, such as LASIK and Photorefractive Keratectomy (PRK) can reshape the cornea, focusing the light rays onto the correct location on the retina. This can reduce and in many cases even eliminate the need for glasses và contacts. If you are interested in finding out if you are a candidate for these procedures, please điện thoại tư vấn 603-415-9583. Our Refractive Surgery Coordinator will be happy to discuss the process with you, answer your questions & conduct a no-charge LASIK screening khổng lồ see how refractive surgery can help you.
Our state-of-the-art LASIK procedure uses the “all tia laze LASIK” technique khổng lồ modify corneal shape & improve vision. First a femtosecond tia laze is used to lớn force millions of tiny air bubbles in between the first và second, creating a corneal flap và exposing the underlying corneal tissue. Then an excimer tia laze is used to lớn reshape the underlying layer, through a process called ablation. Once the corneal reshaping is complete, the flap is repositioned & allowed khổng lồ heal.
Patients undergoing LASIK surgery can expect improved vision as soon as the day after the surgery. Patients are able to lớn return lớn work in a day or two, though they must avoid strenuous activity for one week.
Photo-Refractive Keratectomy (PRK) is an alternate procedure lớn LASIK. During PRK, no flap is created. Instead, the surface epithelial cells are removed using an alcohol solution. Then, the excimer laze is used khổng lồ reshape the cornea. Once the procedure is complete, the doctor will cover the cornea with a clear tương tác lens. This lens will stay in place for about a week while the cornea’s epithelial layer grows back.
Patients undergoing PRK experience a slower recovery than patients that have LASIK, but tóm tắt the same excellent visual results once healing is complete. PRK may be more appropriate in patients with hyperopia (farsightedness), dry eye, thin corneas, or those with an irregular corneal surface.
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NH Lasik Associates
New Hampshire Lasik Associates are direct affiliates with Concord Eye Center và specialize in LASIK procedures. Visit their website to learn about what makes an ideal candidate and if LASIK is right for you.