0 quick uncontrolled movements of the eyes:
There was also nystagmus and a difficulty grasping objects by the right hand.
She could no longer walk and nystagmus was present in all directions of gaze.
Three patients had chin-up head postures caused by a nystagmus.
The examiner should also search for spontaneous or gaze-evoked nystagmus.
On examination, typically in addition to downbeat nystagmus, lower cranial nerve palsies and both gait and limb ataxia are noted.
The nystagmus appears after a brief latency (5-10 seconds), lasts about 30 seconds, and fatigues with repeated positioning.
This position is maintained until the nystagmus ceases.
This causes movement of the cupula and a brief paroxysm of vertigo and nystagmus.