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optic nerve

noun [C]
 
 
specialized

Definition

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 noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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