colour blindness


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ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.colour blindness - genetic inability to distinguish differences in hue
dichromacy, dichromasy, dichromatism, dichromatopsia, dichromia - a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision)
monochromacy, monochromasy, monochromatic vision, monochromatism, monochromia - complete color blindness; colors can be differentiated only on the basis of brightness
vision defect, visual defect, visual disorder, visual impairment - impairment of the sense of sight
Translations

colour blindness

color-blindness (Am) [ˌkʌləˈblaɪndnɪs] ndaltonismo, discromatopsia
References in periodicals archive ?
Summary: A colour vision study of the UAE's Emirati diabetic population shows that colour blindness is not only a black and white issue.
Ian '''' Beefy'''' Botham suffers from that form of colour blindness, but it didn''''t seem to do his career much harm.
Seddiqi added that the screenings will help identify various causes of visual impairment and blindness which will include simple refraction, screening for corneal disorder, colour blindness, cataract, glaucoma and screening for diabetic retinopathy or age-related macular degeneration, among others.
It is alleged that at least 600 have colour blindness and many others suffer from other problems.
An inability to distinguish between red and green is the most common type of colour blindness, and this is a gender-linked disorder that's much rarer in women than in men.
Spectral Edge reports that in a trial of 90 people, 60 of whom had some form of colour blindness (including 40 deuteranopes), 93% of participants found watching processed videos "perfectly acceptable," enabling colour blind and non-colour blind viewers to watch content together on the same screen.
Colour blindness affects a significant number of people and especially isolated communities with a restricted gene pool.
One reader informs me that colour blindness was even mentioned in an old Oor Wullie strip.
London, Feb 8 ( ANI ): Scientists have developed glasses with purple-tinged lenses that enhance reds and greens, allowing those with colour blindness to see them properly.
If after this you still feel he has a problem go to your health visitor or GP and ask for him to have colour blindness tests.
SCIENTISTS have cured colour blindness in monkeys, bringing hope to millions of human sufferers worldwide.