Color-blindness
61Subjective color — Color Col or (k[u^]l [ e]r), n. [Written also {colour}.] [OF. color, colur, colour, F. couleur, L. color; prob. akin to celare to conceal (the color taken as that which covers). See {Helmet}.] 1. A property depending on the relations of light to… …
62Evolution of color vision — Color vision, a proximate adaptation of the vision sensory modality, allows for the discrimination of light based on its wavelength components. Contents 1 Invertebrates 2 Vertebrates 3 See also 4 Referen …
63color — 1. That aspect of the appearance of objects and light sources that may be specified as to hue, lightness (brightness), and saturation. 2. That portion of the visible (370–760 nm) electromagnetic spectrum specified as to wavelength, luminosity,… …
64colour blindness — noun genetic inability to distinguish differences in hue • Syn: ↑color blindness, ↑color vision deficiency, ↑colour vision deficiency • Derivationally related forms: ↑colour blind (for: ↑color blindness), ↑ …
65Cortical blindness — Classification and external resources ICD 10 H47.6 ICD 9 377.75 …
66Ishihara color test — The Ishihara Color Test is a test for red green color deficiencies. It was named after its designer, Dr. Shinobu Ishihara, a professor at the University of Tokyo, who first published his tests in 1917. S. Ishihara, Tests for colour blindness… …
67Violet (color) — This article is about the colour. For other uses, see Violet (disambiguation). Violet   Spectral coordinates  Wavelength 380–450 …
68Complementary color — Complementary colors are pairs of colors that are of “opposite” hue in some color model. The exact hue “complementary” to a given hue depends on the model in question, and perceptually uniform, additive, and subtractive color models, for example …
69Subtractive color — mixing An 1877 color photo by Louis Ducos du Hauron, a French pio …
70red-green colour blindness — noun confusion of red and green • Syn: ↑red green dichromacy, ↑red green color blindness • Hypernyms: ↑dichromacy, ↑dichromatism, ↑dichromatopsia, ↑dichromia, ↑dichromasy …
