These "Smart Glasses" Adjust To Your Vision Automatically

These "Smart Glasses"
By age 45, most of us will need glasses at least for reading. That’s because our eyes’ ability to accommodate—to change focus to see objects at different distances—degrades with age. In young eyes, the eyeball’s crystalline lens changes shape easily, allowing this accommodation. But as we get older, this lens stiffens. Objects in close range suddenly look blurry. Hence the “readers” most middle-aged adults begin wearing on a chain or tucking in a handbag, or the bifocals worn by those who already had vision problems.

But the days of popping reading glasses on and off or constantly shifting your gaze through bifocals may be numbered. Researchers at the University of Utah have developed “smart glasses” with liquid lenses that can automatically adjust their focus.

Read more on Smithsonian.

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