optic nerve(redirected from CN II)
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Either of the second pair of cranial nerves that arise from the retina and carry visual information to the thalamus and other parts of the brain.
(Physiology) the second cranial nerve, which provides a sensory pathway from the retina to the brain
either of a pair of cranial nerves consisting of sensory fibers that conduct impulses from the retina to the brain.
The nerve that carries sensory information on vision from the retina of the eye to the brain. The optic nerve is a cranial nerve.
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|Noun||1.||optic nerve - the cranial nerve that serves the retina|
visual system - the sensory system for vision
cranial nerve - any of the 12 paired nerves that originate in the brain stem