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There's a new option for near-sighted people eager to shed their glasses or daytime contact lenses but wary of laser surgery: corneal refractive therapy, or CRT.
Arizona-based Paragon Vision Services won Food and Drug Administration approval for the procedure in June.
It involves specially designed contact lenses that reshape the wearer's corneas while sleeping. In the morning, while most people who wear contacts are putting in their lenses, the CRT patient removes the lenses to spend the day free of glasses or contacts.
Unlike LASIK surgery, the effects of CRT are temporary. It takes a week or two of wearing the lenses nightly to achieve ...
Source: HighBeam Research, Procedure offers alternative for the near-sighted.(The Gazette)