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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. Luminous efficacy - Wikipedia

    en.wikipedia.org/wiki/Luminous_efficacy

    Photopic luminous efficacy of radiation has a maximum possible value of 683.002 lm/W, for the case of monochromatic light at a wavelength of 555 nm . [note 2] Scotopic luminous efficacy of radiation reaches a maximum of 1700 lm/W for monochromatic light at a wavelength of 507 nm. [note 3]

  4. Photochromic lens - Wikipedia

    en.wikipedia.org/wiki/Photochromic_lens

    A photochromic eyeglass lens, part of the lens darkened after exposure to sunlight while the other part remained covered. A photochromic lens is an optical lens that darkens on exposure to light of sufficiently high frequency, most commonly ultraviolet (UV) radiation.

  5. Serengeti Eyewear - Wikipedia

    en.wikipedia.org/wiki/Serengeti_Eyewear

    The Serengeti brand was acquired by Bushnell Corporation in September 2000. Bollé, Cébé and Serengeti were part of Vista Outdoor's acquisition of Bushnell in 2013. In July 2018, Vista Outdoors announced it had reached an agreement with a European private equity fund to sell the Bollé, Cébé and Serengeti eyewear brands.

  6. Color blindness - Wikipedia

    en.wikipedia.org/wiki/Color_blindness

    A case history using the X-Chrom lens for a rod monochromat is reported [62] and an X-Chrom manual is online. [63] Tinted glasses (e.g. Pilestone/Colorlite glasses) apply a tint (e.g. magenta) to incoming light that can distort colors in a way that makes some color tasks easier to complete.

  7. Rescued Chilean Miners Seeing the World Through Oakley ... - AOL

    www.aol.com/news/2010-10-13-rescued-chilean...

    Eyewear and sporting equipment maker Oakley is handling that last part: It has provided high-performance wraparound sunglasses to the 33 Chilean mine workers who were being pulled to the surface ...

  8. Optical aberration - Wikipedia

    en.wikipedia.org/wiki/Optical_aberration

    The caustic, in the first case, resembles the sign > (greater than); in the second < (less than). If the angle u1 is very small, O'1 is the Gaussian image; and O'1 O'2 is termed the longitudinal aberration, and O'1R the lateral aberration of the pencils with aperture u2.

  9. Monochrome - Wikipedia

    en.wikipedia.org/wiki/Monochrome

    A monochrome [1] or monochromatic image, object or palette is composed of one color (or values of one color). [2] Images using only shades of grey are called grayscale (typically digital) or black-and-white (typically analog).

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