Assertion: color blindness | /r/CapableOf | use image
Facets:
value: in this article
type: LOCATION
Source sentences:
text: Even the best color monitors are not satisfactory for this purpose (you would need a calibrated monitor, a special viewing environment, and a test specifically designed for use with the monitor for that), and readers must not be given the impression that they can test themselves for the presence or absence of color blindness using the images in this article.