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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…

    Mar, 06 2020 |

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