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  2. Euphrasia stricta - Wikipedia

    en.wikipedia.org/wiki/Euphrasia_stricta

    Euphrasia stricta, the drug eyebright, is an annual forb in the genus Euphrasia. [1]It has been introduced in northeastern North America, where it is found in New England (except Connecticut), New York, Pennsylvania, Nova Scotia, New Brunswick, Prince Edward Island, Ontario, Quebec, the upper peninsula of Michigan, northern Wisconsin, Minnesota and Illinois. [2]

  3. Euphrasia - Wikipedia

    en.wikipedia.org/wiki/Euphrasia

    Euphrasia, or eyebright, is a genus of about 215 species of herbaceous flowering plants in the family Orobanchaceae (formerly included in the Scrophulariaceae), with a cosmopolitan distribution. They are hemiparasitic on grasses and other plants.

  4. EnChroma - Wikipedia

    en.wikipedia.org/wiki/EnChroma

    EnChroma are a brand of color corrective lenses designed to address the symptoms of red–green color blindness.Studies have shown that these lenses can alter the appearance of colors, but they do not restore normal color vision, [1] and generally agree that they do not allow the wearer to see "new" colors. [2]

  5. Euphrasia vigursii - Wikipedia

    en.wikipedia.org/wiki/Euphrasia_vigursii

    Euphrasia vigursii, also known by its common names of Vigur's eyebright [3] or Cornish eyebright, [4] is an endangered annual of the eyebright family which is endemic to Devon and Cornwall. [ 5 ] [ 6 ] [ 7 ] It is a facultative hemiparasite and needs open conditions and regular grazing of larger shrubs and grasses to grow.

  6. Pinhole occluder - Wikipedia

    en.wikipedia.org/wiki/Pinhole_occluder

    A pinhole occluder is an opaque disk with one or more small holes through it, used by ophthalmologists, orthoptists and optometrists to test visual acuity. The occluder is a simple way to focus light, as in a pinhole camera, temporarily removing the effects of refractive errors such as myopia. Because light passes only through the center of the ...

  7. Even With 20/20 Vision, I Wear These Glasses Every Day - AOL

    www.aol.com/lifestyle/even-20-20-vision-wear...

    The blue light glasses from Caddis are a game-changer for anybody who uses a smart device. Inside, an editor's honest review of blue light filtering lenses. Even With 20/20 Vision, I Wear These ...

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