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Friday, July 25, 2014

Vision Correcting Displays

In Mashable:

" ... Those of us who need glasses to see a TV or laptop screen clearly could ditch the eyewear thanks to a display technology that corrects vision problems.

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. Researchers say the idea is to anticipate how your eyes will naturally distort whatever’s onscreen — something glasses or contacts typically correct — and adjust it beforehand so that what you see appears clear. ... " 

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