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What is Bruns's nystagmus?

It is seen in large CP angle tumours

Following are the components of Bruns nystagmus.

Contralateral high frequency / low amplitude nystagmus

This is due to Peripheral vestibular affection

Ipsilateral high amplitude nystagmus

This is due to affection of neural integrator from brain stem compression

Reference Notes 

What is See-Saw Nystagmus ?
What are the causes of Acquired Pendular nystagmus ?
What is Convergence-Retraction Nystagmus ?
Dissociated Jerk Nystagmus and causes
What is Rebound nystagmus and its causes?
What is Bruns's nystagmus?
What is Gaze evoked nystagmus?
Down-beat nystagmus and its causes
Upbeat nystagmus and its causes
What is the basic Pathophysiology of Nystagmus
Alexanders law in Nystagmus - A brief