Benjamin Franklin is generally credited with the invention of bifocals, and the basic technology hasn't much changed for 300 years. Traditional bifocal eyeglasses all basically have a lens that's ...
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These 'autofocus' glasses could soon make bifocals obsolete – by tracking your eyes in real time
French startup IXI is working on glasses with autofocus lenses Built-in sensors track eye movements Liquid crystal lenses adjust focus to match what you’re looking at Squinting to see a sign, tilting ...
Reading glasses can be worn when doing close work; distant objects become blurry however, when viewed through reading glasses. Consequently, some people choose bifocal or multifocal lenses which offer ...
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