yellow-blue color blindness vs yellow-blue dichromacy

yellow-blue color blindness and yellow-blue dichromacy both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow-blue color blindness	Yes	No	No	No
yellow-blue dichromacy	Yes	No	No	No

As nouns, yellow-blue color blindness and yellow-blue dichromacy are synonyms defined as:

yellow-blue color blindness and yellow-blue dichromacy: confusion of yellow and blue

yellow-blue color blindness (noun)	yellow-blue dichromacy (noun)
confusion of yellow and blue	confusion of yellow and blue