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nystagmus

play
noun nys·tag·mus \nis-ˈtag-məs\

Definition of nystagmus

  1. :  a rapid involuntary oscillation of the eyeballs

nystagmic

play \-mik\ adjective


Origin and Etymology of nystagmus

New Latin, from Greek nystagmos drowsiness, from nystazein to doze; probably akin to Lithuanian snusti to doze


First Known Use: 1776


Medical Dictionary

nystagmus

play
noun nys·tag·mus \nis-ˈtag-məs\

Medical Definition of nystagmus

  1. :  involuntary usually rapid movement of the eyeballs (as from side to side) occurring normally with dizziness during and after bodily rotation or abnormally following head injury or as a symptom of disease




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