oculogyric crisis
noun
variants:
also oculogyric spasm
Medical Definition of oculogyric crisis
: acute dystonia of the ocular muscles that is marked by involuntary intermittent or sustained deviation of the eyes in a usually upward direction and is often an adverse reaction to certain medications (as antipsychotic or antiemetic drugs) but may be associated with certain medical conditions (as postencephalitic parkinsonism)