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    Metasurface-Based Contact Lenses Could Correct Red-Green Color Blindness

    Article obtained from Photonics RSS Feed.

    A custom contact lens could offer a convenient way to help people who experience color blindness.

    Researchers at Tel Aviv University (TAU) embedded large-scale, plasmonic metasurfaces into off-the-shelf contact lenses and studied the ability of the contacts to serve as visual aids for color vision deficiency. Based on simulations, the researchers observed that their metasurface-based contact lens could restore lost color contrast and improve color perception up to a factor of 10.

    The study specifically addressed deuteranomaly, a condition in which the photoreceptor responsible for detecting green light responds to light associated with redder colors. This vision problem is correctable, but challenging to correct with a…

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    Mar, 06 2020 |

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