OPTIC NERVE Definition & Meaning

optic nerve

noun

Anatomy.

either one of the second pair of cranial nerves, consisting of sensory fibers that conduct impulses from the retina to the brain.

optic nerve

noun

the second cranial nerve, which provides a sensory pathway from the retina to the brain

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

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

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51�Թ� History and Origins

Origin of optic nerve¹

First recorded in 1605–15

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Example Sentences

Examples have not been reviewed.

Ghena has fluid pressing against her optic nerve, which could lead to her losing the sight in her left eye if she does not have an operation.

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It converts light into electrical signals, which are then transmitted to the brain via the optic nerve, enabling us to see.

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Diagnosed with alveolar rhabdomyosarcoma, a rare and aggressive cancer affecting soft tissue, Duong has a malignant mass blocking blood flow to his optic nerve.

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But this can also lead to swelling in the brain and changes in the eye, including to the optic nerve, retina and even the shape of the eye.

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If left untreated, it typically migrates through the optic nerve to the brain, eventually metastasizing and taking the life of the child.

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opticist optics

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