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Optoelectronics/Displays??

Display screen automatically corrects vision

Posted: 31 Jul 2014 ?? ?Print Version ?Bookmark and Share

Keywords:vision-correcting display? presbyopia? deconvolution?

In the experiment, the researchers displayed images that appeared blurred to a camera, which was set to simulate a person who is farsighted. When using the new prototype display, the blurred images appeared sharp through the camera lens.

This latest approach improves upon earlier versions of vision-correcting displays that resulted in low-contrast images. The new display combines light field display optics with novel algorithms.

Huang, now a software engineer at Microsoft Corp. in Seattle, noted that the research prototype could easily be developed into a thin screen protector, and that continued improvements in eye-tracking technology would make it easier for the displays to adapt to the position of the user's head position.

"In the future, we also hope to extend this application to multi-way correction on a shared display, so users with different visual problems can view the same screen and see a sharp image," said Huang.

The National Science Foundation helped support this work.

- Sarah Yang
??UC Berkeley


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