Upbeat Nystagmus
Channel: Moran CORE
Date: 2018-02-08

Example of a patient with upbeat nystagmus. Shows vertical jerk nystagmus with fast phases in the up direction. Localizes to brain stem, and occurs with strokes, demyelination, and tumors. 

Kathleen B. Digre; Daniel Jacobson, MD; 
Moran Eye Center Neuro-Ophthalmology Collection 2-5
Kathleen B. Digre, MD, Copyright 2015 From Moran CORE Collection: http://morancore.utah.edu