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English definition of “optic”

optic

adjective [before noun] uk   /ˈɒp.tɪk/ us    /ˈɑːp-/ specialized
relating to light or the eyes: a fibre optic cableEyesight, glasses and lensesUsing the eyesThe eye and surrounding areaOptics, microscopy and lasersRelating to particular parts of the body
(Definition of optic from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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