or Opsoclonus Myoclonus Syndrome, which is a much less suggestive name, and not only a partially correct description!
Features:
- myoclonus
- rapid involuntary eye movements in all directions (opsoclonus)
But also
- ataxia
- marked irritability, sleep disturbance.
Typically in young children, under 3. About half will have neuroblastoma. The rest assumed to be autoimmune.