Post-Rotatory Nystagmus Definition


Post-Rotatory Nystagmus: Involuntary rhythmical movements of the eyes in the normal person. These can be naturally occurring as in end-position (end-point, end-stage, or deviational) nystagmus or induced by the optokinetic drum (NYSTAGMUS, OPTOKINETIC), caloric test, or a rotating chair.

Synonym: barany nystagmus, end-position nystagmus, caloric nystagmus, thermal nystagmus, positional nystagmus, physiological nystagmus, physiologic nystagmus, baranys nystagmus.