rotational nystagmus

Medical Dictionary

rotational nystagmus ro·ta·tion·al nystagmus (rō-tā'shə-nəl)
n.
A jerky nystagmus arising from stimulation of the labyrinth of the ear by rotation of the head around any axis and induced by change of motion.

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WordNet
rotational nystagmus

noun
nystagmus caused by the body rotating rapidly; large slow movements of the eyeballs are in the direction of rotation 
WordNet® 3.0, © 2006 by Princeton University.
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