opsoclonus


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Related to opsoclonus: Ocular flutter

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

/op·so·clo·nus/ (op″so-clo´nus) involuntary, nonrhythmic horizontal and vertical oscillations of the eyes.

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.

opsoclonia, opsoclonus

involuntary, nonrhythmic horizontal and vertical oscillations of the eyes.
References in periodicals archive ?
Opsoclonus persisting during sleep in West Nile encephalitis.
In addition, Acthar is not indicated for, but is used in treating patients with infantile spasms ("IS"), a rare form of refractory childhood epilepsy, and opsoclonus myoclonus syndrome, a rare autoimmune-related childhood neurological disorder.
Acthar is not indicated for, but is used in treating opsoclonus myoclonus syndrome, a rare autoimmune-related childhood neurological disorder.
NetWitness Corporation, the leading provider of next generation network security monitoring and active threat intelligence software, today announced its second annual "Ride for Kids" event to take place on June 28, 2008 to benefit children diagnosed with Opsoclonus Myoclonus Syndrome (OMS), a rare autoimmune disorder caused by a neuroblastoma, a cancerous tumor, or a virus.
S My son has a rare disorder called opsoclonus myoclonus.