Tuesday, December 10, 2013

Can an App Improve Vision?

The Ache: In presbyopia, the eye's lens loses elasticity with age. The ability to focus on near objects deteriorates, resulting in the need for reading glasses.
The Claim: A 12-week, scientifically tested training program, newly available as an iPhoneapp, uses a technique called perceptual learning to reduce—or even eliminate—the need for reading glasses.
The Verdict: A 30-person study published in February 2012 in the journal Scientific Reports found that after trying the program—now on sale as an iPhone app calledGlassesOff GLSO -4.62% —participants on average could read letters 1.6 times smaller than they could previously. The program is much more likely to show improvement in adults 40 to 60 years old, scientists say.

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