pendular nystagmus

pendular nystagmus
pendular nystagmus n nystagmus marked by rhythmic side-to-side or up-and-down movements of constant speed

* * *

nystagmus in which the eye oscillations have an equal rate, amplitude, direction, and type of movement; called also oscillating n., undulatory n., and vibratory n.

Medical dictionary. 2011.

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