PATIENT SYMPTOM SURVEY - WholeCare

Positional nystagmus is abnormal if the direction changes in any one position, it is present in three or more positions, it is intermittent in four or more positions, or it is greater than 6o per second. Positional nystagmus is abnormal if it is enhanced with eyes open. Direction-fixed nystagmus is usually caused by peripheral lesions. ................
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