nystagmic

nystagmus

[ni-stag-muhs]
noun
a congenital or acquired persistent, rapid, involuntary, and oscillatory movement of the eyeball, usually from side to side.

Origin:
1815–25; < Neo-Latin < Greek nystagmós nodding, derivative of nystázein to nod

nystagmic, adjective
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World English Dictionary
nystagmus (nɪˈstæɡməs)
 
n
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]

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American Heritage
Medical Dictionary

nystagmus nys·tag·mus (nĭ-stāg'məs)
n.
A rapid, involuntary oscillatory motion of the eyeball.


nys·tag'mic (-mĭk) or nys·tag'moid' (-moid') adj.
The American Heritage® Stedman's Medical Dictionary
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