New vision-correcting display to replace glasses

Jul 28 2014, 16:19 IST
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You may soon be able to ditch your glasses and contact lenses, thanks to a new display technology.(Thinkstock) You may soon be able to ditch your glasses and contact lenses, thanks to a new display technology.(Thinkstock)
SummaryAccording to Brian A Barsky, from the University of California, Berkeley, it's like undoing what the optics in your eyes are about to do.

You may soon be able to ditch your glasses and contact lenses, thanks to a new display technology that automatically addresses vision problems.

Scientists are developing a new screen technology that can adjust an image on a display so you can see it clearly without corrective lenses.

The technology uses algorithms to alter an image based on a person's glasses prescription together with a light filter set in front of the display.

The algorithm alters the light from each individual pixel so that, when fed through a tiny hole in the plastic filter, rays of light reach the retina in a way that re-creates a sharp image, according to MIT Technology Review.

Researchers say the idea is to anticipate how your eyes will naturally distort whatever is on screen and adjust it beforehand so that what you see appears clear.

According to Brian A Barsky, from the University of California, Berkeley, it's like undoing what the optics in your eyes are about to do.

The team, that collaboration with researchers at Massachusetts Institute of Technology (MIT) and Microsoft, altered images of rainbow-coloured hot-air balloons and details of a Vincent Van Gogh portrait according to a range of different eye conditions, such as near and far-sightedness.

The technique may also help those with more serious vision problems caused by physical defects that can't be corrected with glasses or contacts, researchers said.

This includes spherical aberration, which causes different parts of the lens to refract light differently.

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