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Cognex Corp. - Smart Sensor 3-24 GIF LB

Adjustable lenses may mean no more bifocals

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Hank Hogan, [email protected]

Along with thinning hair, a few more wrinkles and some added pounds, by age 50 nearly everyone notices that print seems harder to read. It’s the result of presbyopia, an age-related inability of the eye to focus on near objects. Solutions to the problem have included reading glasses as well as bifocals, trifocals and progressive lenses. However, all multifocal lenses have a limited field of view, which makes some reading tasks difficult, and they sometimes cause dizziness and discomfort. Now a team from the University of Arizona in Tucson and Georgia Institute of Technology in...Read full article

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    Published: May 2006
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