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. Author manuscript; available in PMC: 2010 Sep 4.
Published in final edited form as: Mult Scler. 2009 Dec 7;15(12):1431–1441. doi: 10.1177/1352458509350470

Table 1.

Abnormality in the visual pathway found for different MS groups

Amplitude Latency Amplitude or Latency
MS-ON (n=74 eyes) 74% 73% 91%
 ON < 6 mo (n=21 eyes) 86% 80% 90%
 ON > 6 mo (n=53 eyes) 70% 70% 91%
MS-no-ON (n=71 eyes) 17% 25% 31%
Controls (n=100 eyes) 3% 2% 5%