- nystagmograph
- An apparatus for measuring the amplitude, periodicity, and velocity of ocular movements in nystagmus, by measuring the change in the resting potential of the eye as the eye moves. [nystagmus + G. grapho, to write]
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nys·tag·mo·graph (nis-tagґmo-graf) [nystagmus + -graph] an instrument for recording the movements of the eyeball in nystagmus.
Medical dictionary. 2011.