colour vision deficiency


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Related to colour vision deficiency: color blindness, colour blindness
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.colour vision deficiency - 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
References in periodicals archive ?
The tests are therefore more difficult and patients with a mild colour vision deficiency who would pass the standard D15 test may reveal themselves on the desaturated test.
5% of women of European descent have an inherited colour vision deficiency.
Around 8% of men and less than 1% of women have some form of colour vision deficiency.
The most common colour vision deficiency in Europe is the partial-green deficiency known as "deuteranomaly", which is found in approximately 6% of the male population.
02 What class of colour vision deficiency is illustrated in Image A?
What is commonly known as aACAycolour blindness' is actually a colour vision deficiency where you cannot see colour or cannot make out the colour differences under normal lighting conditions.
What is commonly referred to as 'colour blindness' is not blindness at all but rather a colour vision deficiency - an inability or decreased ability to see colour or perceive colour differences under normal lighting conditions, he explained.
Congenital red-green colour vision deficiency is the most common X-linked inherited abnormality in the population and affects about 8% of men and 0.
In the early years in school, colour coding is often used to identify a child's belongings, their drawer or coat peg, and a child with a colour vision deficiency may need alternative approaches.
We must assume that Fleet and Lee had been tested to ensure they could tell red (port) and green (starboard), although the Ishihara test for colour vision deficiency had not been established.
The colour vision deficiency therefore had a more noticeable effect on the lives of dichromats than anomalous trichromats.
It was recognised in the 17th Century that colour vision deficiency could occur as a result of illness or any treatment received for it.