Dr. Mark Whitten, left, leads Christianne Krupinsky out of eye surgery in Washington after inserting a Raindrop inlay, a disc implanted in the cornea to reshape it for better close-up focus. This new kind of eye implant corrects presbyopia, the need for reading glasses that eventually hits all of us, usually starting in the 40s.
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Squinting while texting? Always losing your reading glasses? An eye implant that takes about 10 minutes to put in place is the newest in a list of surgical repairs for the blurry close-up vision that is a bane of middle age. But who's really a good candidate to toss their specs?