human 5 optic neuritis Article 4 clinical article 4 female 4 male 4 Humans 3 adult 3 multiple sclerosis 3 nuclear magnetic resonance imaging 3 Adult 2 Expanded Disability Status Scale 2 Female 2 Middle Aged 2 controlled study 2 fingolimod 2 follow up 2 functional magnetic resonance imaging 2 insula 2 middle aged 2 myelooptic neuropathy 2 natalizumab 2 neuroimaging 2 occipital cortex 2 precuneus 2 retrospective study 2 rituximab 2 thalamus 2 visual acuity 2 (un)consciousness 1