opticokinetic nystagmus

opticokinetic nystagmus
optokinetic nystagmus the normal nystagmus occurring when looking at objects passing across the field of vision, as in viewing from a moving railroad car or automobile. It can be induced for testing purposes to check ocular and vestibular functioning.

Medical dictionary. 2011.

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  • Nystagmus — Rapid rhythmic repetitious involuntary (unwilled) eye movements. Nystagmus can be horizontal, vertical or rotary. * * * Involuntary rhythmic oscillation of the eyeballs, either pendular or with a slow and fast component. [G. nystagmos, a nodding …   Medical dictionary

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