E-LASIK vs eye surgery

E-LASIK and eye surgery both are nouns.

Word	Noun	Adjective	Verb	Adverb
E-LASIK	Yes	No	No	No
eye surgery	Yes	No	No	No

As nouns, eye surgery is a hypernym of E-LASIK; that is, eye surgery is a word with a broader meaning than E-LASIK:

E-LASIK: a refractive surgery procedure that reshapes the cornea, creating a hinged flap in the epithelial layer of the eye
eye surgery: any surgical procedure involving the eyes

Other hypernyms of E-LASIK include eye operation.

E-LASIK (noun)	eye surgery (noun)
a refractive surgery procedure that reshapes the cornea, creating a hinged flap in the epithelial layer of the eye	any surgical procedure involving the eyes