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Researchers at UC Berkeley and MIT are developing computer algorithms to compensate for an individual's visual impairment, and creating vision-correcting displays that enable users to see text and images clearly without wearing eyeglasses or contact lenses. |
| Credit: NSF/Karson Productions |
Audio Transcript: (Sound effect: typing, keyboard) For your eyes only. I'm Bob Karson with the discovery files--new advances in science and engineering from the National Science Foundation. Reading glasses to look at a computer screen? So yesterday! How about computer screens that wear glasses, instead of the people staring at themonitors? That's the idea behind a new technology from computer and vision scientists at the University of California, Berkeley and MIT. The screen, in this case the display on an I-pod, has a sort of "lens" placed over it a mask with tiny pinholes, sandwiched between two layers of clear plastic. Using an algorithm developed at UC Berkeley, the technique distorts the image in such a way that when the light passes through the pinhole array, the image looks sharp to the intended user. To others, the screen will look blurry. This is vision correction through computation, instead of optics. It could aid the hundreds of millions of us who need corrective lenses to use our smartphones, tablets and computers. More important, it could help those with highly complex visual problems that cannot be corrected with eyewear. The team hopes to make improvements like displays that could simultaneously bring clarity to multiple users with different vision problems looking at the same screen. I suppose this "contact lens" would be a lot harder to lose. "The discovery files" covers projects funded by the government's National Science Foundation. Federally sponsored research--brought to you, by you! Learn more at nsf.gov or on our podcast. |
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