optic nerve

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Related to optic nerve: Optic nerve hypoplasia, optic nerve swelling

optic nerve

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

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

op′tic nerve′

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

[1605–15]

optic nerve

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

optic nerve - the cranial nerve that serves the retina

nervus opticus, optic tract, second cranial nerve

visual system - the sensory system for vision

cranial nerve - any of the 12 paired nerves that originate in the brain stem

betweenbrain, diencephalon, interbrain, thalmencephalon - the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon

Translations

Sehnerv

nervo ottico

optic nerve

n → Sehnerv m

References in classic literature ?

There's no tint of pain, real pain, in the sensations of the optic nerve.

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In the Articulata we can commence a series with an optic nerve merely coated with pigment, and without any other mechanism; and from this low stage, numerous gradations of structure, branching off in two fundamentally different lines, can be shown to exist, until we reach a moderately high stage of perfection.

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Just as a photographic plate receives a different impression of a cluster of stars when a telescope is part of the intervening medium, so a brain receives a different impression when an eye and an optic nerve are part of the intervening medium.

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The light from it had beat upon his sealed lids, and the eyes and the optic nerves had pulsated to little, sparklike flashes, warm-coloured and strangely pleasing.

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And it seemed to me that his eyes were strange, not only the expression, but the physical seeming, as though the optic nerves and supporting muscles had suffered strain and slightly twisted the eyeballs.

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Glaucoma is an eye disease that causes progressive irreversible damage of the optic nerve and loss of vision field, leading to blindness.

Anybody is at risk of blindness from glaucoma

If the eye pressure is not maintained, damage to the optic nerve occurs which can then result in blindness, she said, adding that glaucoma is the world's second reason for blindness after cataract, while in Qatar it is considered the first cause of blindness in people over the age of 50 years.

PHCC marks World Glaucoma Week

Keywords: Traumatic brain injury, Head injury, Optic nerve sheath diameter, Computed tomography.

Prognostic significance of optic nerve sheath diameter on computed tomography scan with severity of blunt traumatic brain injury in the emergency department

We are the only actively recruiting stem cell study in retina or optic nerve that has publications about actual study results listed on the clinicaltrials.

Stem Cell Ophthalmology Treatment Study Releases Data on ClinicalTrials.gov Website

Several high-risk factors documented to be associated with extraocular recurrence have been identified upon Histopathological (HP) examination of enucleated eyes, which include invasion of post-laminar optic nerve, trans-scleral migration, choroidal invasion and anterior chamber seeding.

EVALUATION OF HISTOPATHOLOGICAL RISK FACTORS IN ENUCLEATED RETINOBLASTOMA EYES

01 The image is of the left optic nerve head of a 37-year-old man and shows:

Non-glaucomatous optic nerve head pathology: This visual recognition feature requires the practitioner to interpret the pathological features present at the optic nerve head

The trigeminal nerve, the main one to the face and nose, lies alongside the optic nerve which sends visual information from the eye to the brain.