Zoom Contact Lens Magnifies Objects at the Wink of an Eye

Swedish optics researchers are developing contact lenses that can zoom in on an object with the blink of an eye.

The prototype lenses, unveiled Friday at the American Association for the Advancement of Science annual meeting, can magnify objects up to 2.8 times and could someday be useful for patients with macular degeneration, a major cause of blindness and visual impairment in older adults.

A simple wink activates the telescopic lens, which could help people read and recognize faces

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