Bifocal lenses implanted for cataracts.Bifocal lenses implanted for cataracts Physicians have placed artificial lenses into the eyes of cataract patients for more than a decade to clarify distant vision, but eyeglasses eyeglasses or spectacles, instrument or device for aiding and correcting defective sight. Eyeglasses usually consist of a pair of lenses mounted in a frame to hold them in position before the eyes. or contact lenses contact lenses contact npl → verres mpl de contact contact lenses contact npl → Kontaktlinsen pl contact lenses npl still have been needed to help correct close vision. That may no longer be necessary if a new bifocal lens implanted by surgeons in Columbus, Ohio, last month proves successful. Implantation of the plastic lenses into two patients at Ohio State University Ohio State University, main campus at Columbus; land-grant and state supported; coeducational; chartered 1870, opened 1873 as Ohio Agricultural and Mechanical College, renamed 1878. There are also campuses at Lima, Mansfield, Marion, and Newark. marked the beginning of clinical trials just approved by the FDA FDA abbr. Food and Drug Administration FDA, n.pr See Food and Drug Administration. FDA, n.pr the abbreviation for the Food and Drug Administration. . Unlike the currently available lens, used in 1 million patients each year, the new lens should correct both near and distant vision if placed correctly, say the physicians who performed the surgery. Although this is the first time the lens has been used in the United States, clinical trials in England have been under way for more than a year, reportedly with positive results. |
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