OPTIC NERVE • DICTIONARY ONE.COM • Definition of Optic nerve

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/ˈɑptɪk nərv/ Listen

Optic nerve

noun

The cranial nerve that serves the retina. Synonyms: nervus opticus, optic tract, second cranial nerve.

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Etymology of 'Optic nerve'

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"Optic nerve" Quotes from Famous Books

... in the opposite direction. When my eyes are turned on my watch, for example, the vibrations of light striking its face are reflected on the pupil of my eye. There the little motions, previously existing only in the surrounding ether, are communicated to my optic nerve. This vibrates too, and by its motion excites the matter of my brain, and then—well, I have a sensation of the white face of my watch. But what was contained in that then is precisely what we do not understand. ...

— The Nature of Goodness • George Herbert Palmer

... inducing sleep by wearying out the optic nerve of the eyes, by making the patient fix them upon a certain spot for a time, generally situated where it is a little wearisome for the eyes to find it. The fatigue thus induced spreads from the ocular muscles to the ...

— The Nuttall Encyclopaedia - Being a Concise and Comprehensive Dictionary of General Knowledge • Edited by Rev. James Wood

Words linked to "Optic nerve" : diencephalon, cranial nerve, interbrain, betweenbrain, second cranial nerve, optic tract, visual system, thalmencephalon