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English definition of “optic nerve”

optic nerve

noun [C] uk   specialized us  
the group of nerve fibres (= structures like threads) that pass signals from the retina at the back of each eye to the brainSubstances and structures in the bodyThe eye and surrounding areaEyesight, glasses and lensesUsing the eyes
(Definition of optic nerve from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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