• Thumbnail for Trichromacy
    Trichromacy or trichromatism is the possession of three independent channels for conveying color information, derived from the three different types of...
    14 KB (1,585 words) - 08:43, 2 April 2024
  • Thumbnail for Color blindness
    Anomalous trichromacy is the mildest type of color deficiency, but the severity ranges from almost dichromacy (strong) to almost normal trichromacy (mild)...
    99 KB (10,380 words) - 08:45, 3 October 2024
  • Thumbnail for Tetrachromacy
    opponent process theory, humans have three opponent channels, which give trichromacy. It is unclear whether having available a fourth opponent channel is...
    25 KB (2,713 words) - 16:53, 3 October 2024
  • Thumbnail for Congenital red–green color blindness
    Dichromacy gives the suffix -anopia (from the Greek for "no sight") Anomalous trichromacy gives the suffix anomaly (from the Greek for "irregular"). The dimensionality...
    36 KB (3,281 words) - 12:49, 23 September 2024
  • Thumbnail for Monochromacy
    a prerequisite for trichromacy. An alteration of any of these three cone opsins can lead to colorblindness. Anomalous trichromacy, when all three cones...
    12 KB (1,453 words) - 09:06, 21 July 2024
  • Thumbnail for Evolution of color vision in primates
    females are trichromats, a condition known as allelic or polymorphic trichromacy. Among platyrrhines, the exceptions are Alouatta (routine trichromats)...
    31 KB (3,830 words) - 02:32, 8 September 2024
  • Thumbnail for Chromaticity
    intensity, or excitation purity. This number of parameters follows from trichromacy of vision of most humans, which is assumed by most models in color science...
    6 KB (524 words) - 15:01, 13 May 2024
  • Thumbnail for Color
    perceived in the visible light spectrum with three types of cone cells (trichromacy). Other animals may have a different number of cone cell types or have...
    60 KB (7,184 words) - 09:26, 30 September 2024
  • Thumbnail for Insect
    with color vision. Phylogenetic analysis suggests that UV-green-blue trichromacy existed from at least the Devonian period, some 400 million years ago...
    134 KB (12,772 words) - 07:16, 2 October 2024
  • Thumbnail for Cone cell
    partial color blindness include protanopia, deuteranopia, etc. Oligocone trichromacy - poor visual acuity and impairment of cone function according to ERG...
    16 KB (1,938 words) - 11:34, 23 August 2024