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Finger Extension Weakness and Downbeat Nystagmus Motor Neuron Disease Syndrome

A Series of Two Cases

Micieli, Andrew, MD, MMI; Zinman, Lorne, MD, MSc; Ashby, Peter, MD; Sundaram, Arun N. E., MD

Journal of Neuro-Ophthalmology: March 2019 - Volume 39 - Issue 1 - p 115–116
doi: 10.1097/WNO.0000000000000723
Clinical Correspondence

Department of Neurology (AM), University of Toronto, Toronto, Canada; Department of Neurology (LZ, ANES), Sunnybrook Health Sciences Centre, Toronto, University of Toronto, Canada; Department of Neurology (PA), Toronto Western Hospital, University of Toronto, Toronto, Canada; and Department of Ophthalmology and Vision Sciences (ANES), University of Toronto, Toronto, Canada.

Address correspondence to Arun N. E. Sundaram, Sunnybrook Health Sciences Center, M1 202C, 2075 Bayview Avenue, Toronto, ON M4N 3M5; E-mail:

The authors report no conflicts of interest.

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© 2019 by North American Neuro-Ophthalmology Society