either one of the second pair of cranial nerves, consisting of sensory fibers that conduct impulses from the retina to the brain.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use optic nerve in a sentence
Light falls on the retina, goes through various layers of neurons, is sent down the optic nerve across the brain, and then all the way to the back of the brain where the visual cortex resides.The Hard Problem of Consciousness Has an Easy Part We Can Solve - Facts So Romantic | Tam Hunt | September 8, 2021 | Nautilus
Light still streams into the eye through the unaffected lens, and that light could still make its way to the brain via the optic nerve.A Blind Patient Regained Partial Sight in a Breakthrough Study, Offering Hope to Millions | Jeffrey Kluger | May 24, 2021 | Time
They will also examine the optic nerve and retina after dilating your eyes with drops, and look inside your eyes with a microscope.How to safely get an eye exam and buy glasses during the pandemic | Lindsey Konkel | April 12, 2021 | Washington Post
When you see a word, your retina and optic nerve send that information to the visual cortex, which creates the image you see.
Also the tender points of the fibres of the optic nerve would soon become blunted and the eye of course useless.Gospel Philosophy | J. H. Ward
There are no colors; there is no light,—there is nothing but the ether waves, which cause a vibration of the optic nerve.Urania | Camille Flammarion
A diminution or total loss of sight, arising from paralysis of the retina or optic nerve.
Two people see a thing: put scientifically, the result of this is that each experiences a stimulation of the optic nerve.Spirit and Music | H. Ernest Hunt
Tell me how the optic nerve transmits to the thinking brain the perception of outward objects.Mysterious Psychic Forces | Camille Flammarion
British Dictionary definitions for optic nerve
the second cranial nerve, which provides a sensory pathway from the retina to the brain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for optic nerve
Either of the second pair of cranial nerves, which carry sensory information relating to vision from the retina of the eye to the brain. Disease or injury of the optic nerve can result in partial or total blindness.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for optic nerve
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.