nystagmus


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nys·tag·mus

 (nĭ-stăg′məs)
n.
A rapid, involuntary, oscillatory motion of the eyeball.

[New Latin, from Greek nustagmos, drowsiness.]

nys·tag′mic (-mĭk) adj.

nystagmus

(nɪˈstæɡməs)
n
(Medicine) involuntary movement of the eye comprising a smooth drift followed by a flick back, occurring in several situations, for example after the body has been rotated or in disorders of the cerebellum
[C19: New Latin, from Greek nustagmos]

nys•tag•mus

(nɪˈstæg məs)

n.
a persistent, rapid, involuntary side-to-side eye movement.
[1815–25; < New Latin < Greek nystagmós nodding, derivative of nystázein to nod]
nys•tag′mic, adj.

nystagmus

uncontrollable and rapid movement of the eyeball in any direction. — nystagmic, adj.
See also: Eyes
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.nystagmus - involuntary movements of the eyeballs; its presence or absence is used to diagnose a variety of neurological and visual disorders
eye movement - the movement of the eyes
physiological nystagmus - small involuntary tremors of the eyeballs; when it is eliminated by stabilizing the image on the retina, visual perception fades rapidly from fatigue of the retinal receptors
rotational nystagmus - nystagmus caused by the body rotating rapidly; large slow movements of the eyeballs are in the direction of rotation
post-rotational nystagmus - nystagmus caused by suddenly stopping the rapid rotation of the body; large slow movements of the eyeballs are in the direction opposite to the direction of rotation
Translations
nystagmus

nys·tag·mus

n. nistagmo, espasmo involuntario del globo ocular;
palatal ______ palatal.

nystagmus

n nistagmo
References in periodicals archive ?
Hudaks records specifically mentioned that Beverly had nystagmus present left eye.
Fight for Sight and Nystagmus Network have announced that funding has been granted for research into the early detection of nystagmus.
Coverage encompasses visual fields, supranuclear and internuclear gaze pathways, nystagmus and related ocular oscillations, syndromes of the cranial nerves, cavernous sinus syndrome, the pupil, the swollen optic disc, optic atrophy, myasthenia and ocular myopathies, eyelid disorders, headache, carotid artery disease and the eye, nonorganic visual disorders, disorders of higher visual function, neurocutaneous disorders, and neuroimaging.
21] One of the most important considerations when assessing vestibular disorders is the presence and description of nystagmus.
Table of Contents Expert's Background 2 Qualifications--Limitations/Shortcomings/Setups/Etc 3 BiA--Always works for the defense/paid by them/ etc 5 Tyndall Effect and Breath Testing 6 Blood in Mouth 7 Breath Testing 8 Breath Test-GERD 9 Alcohol on the Breath 10 HGN-Maximum Deviation 12 No Onset Prior to 45 Degrees 13 Nystagmus Generally 14 SFST Generally 15
5%), sixth cranial nerve palsy (11%), nystagmus blockage syndrome (9.
He had milky white skin, white hair, white eyelashes and eyebrows, decreased pigment in the iris and nystagmus.
Material and Methods: Total 198 patients were recruited who presented to ENT department with complaints of positional vertigo and having positional nystagmus upon performing Dix-Hallpike.
He noted the vertigo and the vertical and torsional components of the nystagmus.
These visual impairment disorders include retinitis pigmentosa, keratoconus, cataract, nystagmus, astigmatism, glaucoma, microphthalmia, anophthalmia, strabismus and myopia.
The girls both have nystagmus, a condition that causes the eye to move involuntarily and reduces vision, and Kady's eyesight is also impaired by her albinism.