keratomileusisPronunciation: /ˌkɛrətəʊmʌɪˈluːsɪs/Definition of keratomileusis noun [mass noun] the surgical reshaping of the cornea, carried out in order to correct a refractive error. Origin: 1990s: from kerato- + Greek smileusis 'carving'keratomileusis in other Oxford dictionaries Definition of keratomileusis in the US English dictionary