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Noun colour blindness has 1 sense
- color blindness, colour blindness, color vision deficiency, colour vision deficiency - genetic inability to distinguish differences in hue
--1 is a kind of visual impairment, visual defect, vision defect, visual disorder; birth defect, congenital anomaly, congenital defect, congenital disorder, congenital abnormality
--1 has particulars:
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