yellow spot vs macular area

yellow spot and macular area both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow spot	Yes	No	No	No
macular area	Yes	No	No	No

As nouns, yellow spot and macular area are synonyms defined as:

yellow spot and macular area: a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision

Other synonyms of yellow spot include macula, macula lutea.

yellow spot (noun)	macular area (noun)
a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision	a small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision
any of several fungous or viral diseases characterized by yellow spotting on the leaves