optic nerve

optic nerve   n.  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.

optic nerve

The nerve that carries electrical signals from the retina in the eye to the brain.

Main Entry: optic nerve
Function: noun
: either of the pair of sensory nerves that comprise the second pair of cranial nerves, arise from the ventral part of thediencephalon, form an optic chiasma before passing to the eye and spreading over the anterior surface of the retina, and conduct visual stimuli to the brain called also second cranial nerve

optic nerve n.
A nerve that originates from the retina, passes out of the eye socket to the chiasm, where part of its fibers cross to the opposite side and pass to the geniculate bodies and anterior quadrigeminal body. Also called second cranial nerve.

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.

optic nerve

second cranial nerve, which carries sensory nerve impulses from the more than one million ganglion cells of the retina toward the visual centres in the brain. The vast majority of optic nerve fibres convey information regarding central vision

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