opsoclonus

[op″so-klo´nus] involuntary, nonrhythmic horizontal and vertical oscillations of the eyes, seen in certain disorders of the brainstem or cerebellum.

op·so·clo·nus

(op'sō-klō'nŭs), Rapid, irregular, nonrhythmic movements of the eye in horizontal and vertical directions. [G. ōps, ōpos, eye, + klonos, confused motion]

opsoclonus

Neurology Rapid, irregular movements of eyes in all directions. See Paraneoplastic opsoclonus.

op·so·clo·nus

(ŏp-sŏk'lō-nŭs) Repetitive irregular multidirectional ocular movement associated with cerebellar or brainstem disorders. [G. ōps, ōpos, eye, + klonos, confused motion]

opsoclonus

A rare ophthalmic disorder featuring involuntary jerky (saccadic) eye movements in random directions. Opsoclonus should not be confused with NYSTAGMUS in which the movements are periodic and uniform. The disorder most commonly affects infants with neuroblastoma. In adults it may be related to other malignancies or to neurological infections. It is often associated with myoclonus and ataxia.

opsoclonus

Involuntary, chaotic movements of both eyes in horizontal and vertical directions. It may be a sign of cerebellar disease. See ocular flutter; ocular myoclonus.

单词	opsoclonus
释义	opsoclonus Translations opsoclonus opsoclonus [op″so-klo´nus] involuntary, nonrhythmic horizontal and vertical oscillations of the eyes, seen in certain disorders of the brainstem or cerebellum. op·so·clo·nus (op'sō-klō'nŭs), Rapid, irregular, nonrhythmic movements of the eye in horizontal and vertical directions. [G. ōps, ōpos, eye, + klonos, confused motion] opsoclonus Neurology Rapid, irregular movements of eyes in all directions. See Paraneoplastic opsoclonus. op·so·clo·nus (ŏp-sŏk'lō-nŭs) Repetitive irregular multidirectional ocular movement associated with cerebellar or brainstem disorders. [G. ōps, ōpos, eye, + klonos, confused motion] opsoclonus A rare ophthalmic disorder featuring involuntary jerky (saccadic) eye movements in random directions. Opsoclonus should not be confused with NYSTAGMUS in which the movements are periodic and uniform. The disorder most commonly affects infants with neuroblastoma. In adults it may be related to other malignancies or to neurological infections. It is often associated with myoclonus and ataxia. opsoclonus Involuntary, chaotic movements of both eyes in horizontal and vertical directions. It may be a sign of cerebellar disease. See ocular flutter; ocular myoclonus.
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