monofocal IOL vs monofocal lens implant

monofocal IOL and monofocal lens implant both are nouns.

Word	Noun	Adjective	Verb	Adverb
monofocal IOL	Yes	No	No	No
monofocal lens implant	Yes	No	No	No

As nouns, monofocal IOL and monofocal lens implant are synonyms defined as:

monofocal IOL and monofocal lens implant: a lens with a single focus that is used after cataract surgery to provide clear distance vision

monofocal IOL (noun)	monofocal lens implant (noun)
a lens with a single focus that is used after cataract surgery to provide clear distance vision	a lens with a single focus that is used after cataract surgery to provide clear distance vision