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  2. EnChroma - Wikipedia

    en.wikipedia.org/wiki/EnChroma

    The company received a grant from the NIH in 2005, the glasses were released to the public in 2012 and cheaper versions in 2014. [4] In 2015, EnChroma teamed up with Valspar Paint in an advertising campaign titled "Color For All", which focused on the experience of trying on EnChroma glasses for the first time. This led new EnChroma owners to ...

  3. Color blind glasses - Wikipedia

    en.wikipedia.org/wiki/Color_blind_glasses

    Conceptual rendering of the effect of color corrective lenses. Color blind glasses or color correcting lenses are light filters, usually in the form of glasses or contact lenses, that attempt to alleviate color blindness, by bringing deficient color vision closer to normal color vision or to make certain color tasks easier to accomplish.

  4. Tetrachromacy - Wikipedia

    en.wikipedia.org/wiki/Tetrachromacy

    The four pigments in a bird's cone cells (in this example, estrildid finches) extend the range of color vision into the ultraviolet. [1]Tetrachromacy (from Greek tetra, meaning "four" and chroma, meaning "color") is the condition of possessing four independent channels for conveying color information, or possessing four types of cone cell in the eye.

  5. Glasses are 50% off at GlassesUSA during Black Friday: Frames ...

    www.aol.com/lifestyle/glasses-usa-black-friday...

    Get a new pair of glasses as low as $26 at GlassesUSA during Black Friday week. Shop high-end brands like Ray-Ban or more affordable brands—they're all on sale.

  6. America's Best Contacts & Eyeglasses - Wikipedia

    en.wikipedia.org/wiki/America's_Best_Contacts...

    America's Best Contacts & Eyeglasses is a discount provider of eye examinations, eyeglasses and contact lenses, with over 1000 retail locations in the United States as of May 31, 2024. The millennial store is located in Philadelphia, PA, which happened to be one of National Vision's first markets in their early days over 40 years ago.

  7. Progressive lens - Wikipedia

    en.wikipedia.org/wiki/Progressive_lens

    The symmetric design, however, was difficult to accept for patients, because the eyes in general work asymmetrically. When you look to your right, your right eye views distal (i.e. looking through the lens near to the arm of the spectacles) while your left eye views nasal (i.e. looking through the lens near to the bridge). Modern sophisticated ...

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