blindness

  • 81Motion blindness — is a neurological condition caused by brain damage (from a stroke for example). The visual perception is intact in other ways and it s possible to see clearly though they are not able to see motion and instead see things going in frames. In a… …

    Wikipedia

  • 82Motion induced blindness — (MIB) is a phenomenon of visual disappearance or perceptual illusions in which salient visual stimuli disappear as if erased in front of an observer s eyes. In a popular demonstration,[1] the observer looks at one of three bright yellow spots… …

    Wikipedia

  • 83night blindness — nightblind, adj. Ophthalm. a condition of the eyes in which vision is normal in daylight but abnormally poor at night or in a dim light; nyctalopia. [1745 55] * * * ▪ physiology also called  nyctalopia         failure of the eye to adapt promptly …

    Universalium

  • 84On His Blindness — is one of the best known of the sonnets of John Milton. It may have been written as early as 1652, although most scholars believe it was composed sometime between June and October of 1655, when Milton s blindness was essentially complete.[1][2].… …

    Wikipedia

  • 85night blindness — the inability to see in dim light or at night. It is due to a disorder of the cells in the retina that are responsible for vision in dim light (see rod), and can result from dietary deficiency of vitamin A. If the vitamin deficiency is allowed to …

    The new mediacal dictionary

  • 86moon blindness — n. 1. night blindness: formerly attributed to the effects of moonlight 2. a disease of horses, of undetermined cause, characterized by recurrent inflammation of the eyes and, eventually, blindness …

    English World dictionary

  • 87red-green color blindness — noun confusion of red and green • Syn: ↑red green dichromacy, ↑red green colour blindness • Hypernyms: ↑dichromacy, ↑dichromatism, ↑dichromatopsia, ↑dichromia, ↑dichromasy …

    Useful english dictionary

  • 88red-green colour blindness — noun confusion of red and green • Syn: ↑red green dichromacy, ↑red green color blindness • Hypernyms: ↑dichromacy, ↑dichromatism, ↑dichromatopsia, ↑dichromia, ↑dichromasy …

    Useful english dictionary

  • 89river 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 • Syn: ↑onchocerciasis • Hypernyms:… …

    Useful english dictionary

  • 90eclipse blindness — eclipse blindness, a form of temporary blindness from an injury of the retina by solar or nuclear radiation. Eclipse blindness most often happens to people who watch eclipses of the sun without protecting their eyes …

    Useful english dictionary