Bruns nystagmus is an unusual type of bilateral, asymmetrical jerk nystagmus most commonly occurring in patients with cerebellopontine angle tumours. It manifests as a combination of two different eye movement patterns: a coarse, large-amplitude, low-frequency nystagmus on gaze toward the side of the lesion, and a fine, small-amplitude, high-frequency nystagmus in the primary position that intensifies when looking away from the lesion.
Bruns nystagmus is an unusual type of bilateral, asymmetrical jerk nystagmus most commonly occurring in patients with cerebellopontine angle tumours. It manifests as a combination of two different eye movement patterns: a coarse, large-amplitude, low-frequency nystagmus on gaze toward the side of the lesion, and a fine, small-amplitude, high-frequency nystagmus in the primary position that intensifies when looking away from the lesion.
Source: Wikipedia "Bruns nystagmus" · CC BY-SA 4.0
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