Noun: colour vision deficiency
Usage: Brit, Cdn (US: color vision deficiency)
Usage: Brit, Cdn (US: color vision deficiency)
- Genetic inability to distinguish differences in hue
"His colour vision deficiency prevented him from pursuing a career as a pilot";
- color blindness [US], colour blindness [Brit, Cdn], color vision deficiency [US]
Derived forms: colour vision deficiencies
Type of: birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disease, congenital disorder, vision defect, visual defect, visual disorder, visual impairment
Encyclopedia: Colour vision deficiency