blindness : Idioms & Phrases

Index

blue-blindness

  • noun rare form of dichromacy characterized by a lowered sensitivity to blue light resulting in an inability to distinguish blue and yellow
    tritanopia.
WordNet

Color blindness

  • noun genetic inability to distinguish differences in hue
    color vision deficiency; colour vision deficiency; color blindness.
WordNet
  • inability to distinguish certain color. See Daltonism.
  • total or partial inability to distinguish or recognize colors. See Daltonism.
Webster 1913

colour blindness

  • noun genetic inability to distinguish differences in hue
    color vision deficiency; colour vision deficiency; color blindness.
WordNet

Day blindness

  • noun inability to see clearly in bright light
    hemeralopia.
WordNet
  • . (Med.) See Nyctalopia.
Webster 1913

figural blindness

  • noun inability to see shapes and contours
WordNet

green-blindness

  • noun dichromacy characterized by a lowered sensitivity to green light resulting in an inability to distinguish green and purplish-red
    Daltonism; deuteranopia.
WordNet
  • noun vision that is 20/200 or worse in both eyes (20/200 vision is the ability to see at 20 feet what a normal eye can see at 200 feet)
WordNet

Moon blindness

  • noun inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
    moon blindness; nyctalopia.
  • noun recurrent eye inflammation in horses; sometimes resulting in blindness
    mooneye.
WordNet
  • . (a) (Far.) A kind of ophthalmia liable to recur at intervals of three or four weeks . (b) (Med.) Hemeralopia.
Webster 1913

Night blindness

  • noun inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
    moon blindness; nyctalopia.
WordNet
  • . (Med.) See Hemeralopia.
Webster 1913

Psychical blindness, Psychical deafness

  • (Med.), forms of nervous disease in which, while the senses of sight and hearing remain unimpaired, the mind fails to appreciate the significance of the sounds heard or the images seen.
Webster 1913

Red blindness

  • . (Med.) See Daltonism.
Webster 1913

red-blindness

  • noun dichromacy characterized by lowered sensitivity to long wavelengths of light resulting in an inability to distinguish red and purplish blue
    protanopia.
WordNet

red-green color blindness

  • noun confusion of red and green
    red-green color blindness; red-green dichromacy.
WordNet

red-green colour blindness

  • noun confusion of red and green
    red-green color blindness; red-green dichromacy.
WordNet

river blindness

  • noun infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America
    onchocerciasis.
WordNet

snow-blindness

  • noun temporary blindness caused by exposure to sunlight reflected from snow or ice
    snowblindness.
WordNet

Text blindness

  • . (Physiol.) See Word blindness, under Word.
Webster 1913

Word blindness

  • noun inability to perceive written words
    alexia; visual aphasia.
WordNet
  • (Physiol.), inability to understand printed or written words or symbols, although the person affected may be able to see quite well, speak fluently, and write correctly. Landois & Stirling.
Webster 1913

yellow-blindness

  • noun a form of dichromacy characterized by lowered sensitivity to yellow light; so rare that its existence has been questioned
    tetartanopia.
WordNet

yellow-blue color blindness

  • noun confusion of yellow and blue
    yellow-blue dichromacy.
WordNet