corneal surgery…

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radial keratotomy, myopia, lasik eye surgery, nearsightedness surgery, radial keratotomy, refractive surgery, lasik , corneal surgery corrects mild to moderate nearsightedness, myopia, farsightedness, astigmatism, topical anesthesia, numbing eye drops, exact surgical method depends on the patient, in many cases, ophthalmic surgeon will use an instrument, a keratome to lift a piece of tissue, surface, the cornea, a laser re-shapes the surface, the cornea, the tissue is put back into place, painless, improvement in vision, immediate, quickly return to most activities, must avoid bumping the eye, submerging in water, swimming, method of refractive surgery offers fewer side effects compared to radial keratotomy, was common, in the 1980's, eyes, in the same session, refractive surgery, treat nearsightedness so that corrective lenses, no longer be necessary, most forms of nearsightedness, reliably corrected, general anesthesia is not used, cornea has no blood vessels, bleeding, does not occur, after surgery some patients experience the following symptoms, fluctuating vision, halos around lights, under-correction, over-correction, infections, the cornea, result in permanent vision loss, unusual, scar, the flap incision, result in permanent vision loss, unusual, difficulty seeing at night, due to glare, light sensitivity, dislodgement, the flap, long after surgery, long-range follow-up studies of people, had the procedure indicate that nearly 90%, see close to 20/20, glasses, 10% reported partially corrected vision, a continuing need, glasses, contact lenses, one percent experienced serious complications which permanently decreased the vision, older patients who needed bifocals, surgery, reading glasses, still be needed though distance vision clear, glasses, on an outpatient basis, takes only a short time, the person under local anesthesia, protective glasses worn, several days, full recovery, take several months.