Assertion: color blindness | /r/HasProperty | a vision defect
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Color blindness is a vision defect wherein the eye perceives some colors differently than others.
text: Color blindness is a visual deficiency that affects about 8% of men and 0.5% of women worldwide.
text: Color blindness is a vision deficiency that affects the perception of color, says the National Eye Institute.
text: The color blindness is often called color vision deficiency.