photochromic eyewear vs photochromic eyeglasses

photochromic eyewear and photochromic eyeglasses both are nouns.

Word	Noun	Adjective	Verb	Adverb
photochromic eyewear	Yes	No	No	No
photochromic eyeglasses	Yes	No	No	No

As nouns, photochromic eyewear and photochromic eyeglasses are synonyms defined as:

photochromic eyewear and photochromic eyeglasses: Any eyeglasses with photochromic lenses with darken when exposed to sunlight.

Other synonyms of photochromic eyewear include photochromic glasses.

photochromic eyewear (noun)	photochromic eyeglasses (noun)
Any eyeglasses with photochromic lenses with darken when exposed to sunlight.	Any eyeglasses with photochromic lenses with darken when exposed to sunlight.