The U.S. Food and Drug Administration has approved a device that combines a small video camera and a computer on a pair of eyeglasses and an artificial retina that is implanted inside the eye.

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Announced last year, Google Glass is an augmented-reality headset that looks like a thin pair of eyeglasses and can be controlled by voice commands.

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Warby Parker is doing for global vision what TOMS Shoes did for bare feet: For every pair of eyeglasses the company sells, it gives a pair to someone in need.

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During dinner late one night, while Mr. Toba relaxed over a Japanese hot pot and local liquor, Taiga stomped around the house in basketball warm-ups and two pairs of eyeglasses one for his eyes and a pair of dark sunglasses perched on his forehead, because he thought they were cool.

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This will come as a relief to the bespectacled hordes who have ever spent time in an eyeglasses store futilely trying on pair after pair of glasses looking for one that fits your face.

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