coloured contact lens

color

to change, to make different / to move or shift to a different time or place

potential of 変える (kaeru): to be changeable / passive of 変える (kaeru): to be changed

contact lens

pupil (of the eye) / eye

eye; eyeball / pupil / apple of the eye; darling; beloved person

(colloquial) a girlfriend (a female partner in a romantic relationship)

(formal) Female third-person singular pronoun; she, her, girlfriend

(literary) they (about women or girls)