Assertion: color blindness | /r/CreatedBy | physical or chemical damage
Facets:
value: to the eye
type: OTHER
value: sometimes
type: TEMPORAL
Source sentences:
text: Sometimes color blindness can be caused by physical or chemical damage to the eye, the optic nerve, or parts of the brain that process color information.
text: However, a color vision deficiency can also be caused by physical or chemical damage to the eye.