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Since 1996, 6 million people worldwide have had Lasik surgery to repair their vision. It's an impressive number for a procedure that involves peeling back a layer of the eye to allow a laser to reshape the surface of the cornea. But it's only a small fraction of the 80 million people who wear contacts. Many patients don't want elective surgery on their eyes or can't afford the $1,000-plus-per-eye procedure, which most insurance doesn't cover.
Alternatives are on the way. CRT, or corneal reshaping, was approved by the United States Food and Drug Administration in June. There's no surgery; doctors use computers to map the surface of the eye, then make lenses that patients wear while they sleep. The lenses reshape the epithelium, the surface of the cornea, redistributing cells from the center to the periphery to compensate for refractive errors and ...
Source: HighBeam Research, Beyond The Light.(Brief Article)(Statistical Data Included)