Word: correctives
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Dates: during 1990-1999
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...surgeons first tried using the excimer laser to correct vision in a procedure called photorefractive keratectomy. They scaled off the cornea's outermost protective layer, or epithelium. Then they vaporized some of the underlying tissue with the laser, forcing the cornea to flatten or steepen, depending on the correction. Although the epithelium always grew back, the cornea retained its new shape. It was a big improvement over radial keratotomy, although the healing of the epithelium remained painful...
...CAUGHT UP IN THE HYPE. If you expect never to need glasses or contacts again, you may be disappointed. And since LASIK can't correct presbyopia, most patients over 35 will need glasses to read and for close work. You're also likely to need glasses at night or in movie theaters...
...experimental gene therapy. Though the Tucson, Ariz., teen was born with a rare genetic disorder that partly disabled his liver, his course of drugs and diet was working. The Phase I trial at the University of Pennsylvania, where doctors would pump a modified cold virus into his system to correct genetic flaws, promised nothing in the way of a cure...
...here's the worst part: my vision now can't be improved, except marginally, with glasses. The problem is on the surface of my eye, which isn't what lenses correct. One doctor likens it to scratches on the crystal of a watch. My eyes were always a little dry, but nobody seems to understand why they now need dramatically more moisture...
Popular English Professor and former Adams House Master Robert J. Kiely '60 underwent unexpected heart bypass surgery Friday to correct a condition uncovered in a recent medical checkup...