optic nerve

views updated May 21 2018

optic nerve The second cranial nerve: a paired sensory nerve that runs from each eye to the brain. It is responsible for conveying visual stimuli received by the rods and cones in the retina to the brain for interpretation. See also optic chiasma.

A Dictionary of Biology

optic nerve

views updated May 14 2018

op·tic nerve • n. Anat. each of the second pair of cranial nerves, transmitting impulses to the brain from the retina at the back of the eye.

The Oxford Pocket Dictionary of Current English

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optic nerve

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