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. Author manuscript; available in PMC: 2016 Aug 15.
Published in final edited form as: J Neurol Sci. 2015 May 17;355(0):59–63. doi: 10.1016/j.jns.2015.05.013

Figure 4.

Figure 4

Acute optic neuritis in neuromyelitis optica involving at least two optic nerve segments was 79% compared to 30% in multiple sclerosis (Fisher’s test, p=0.0004). No lesions in multiple sclerosis extended beyond 2 segments.