We compared the clinical features of optic neuritis (ON) that are frequently observed in various central nervous system demyelinating diseases, including multiple sclerosis (MS), anti-aquaporin 4 (AQP4) antibody- and anti-myelin oligodendrocyte glycoprotein (MOG) autoantibody-related diseases. Almost all the AQP4-ON patients were female, whereas half of the MOG-ON patients were male. The ON-onset age was younger in MS-ON and was older in AQP4-ON. The ON-lesion detected using optic MRI in the acute phase was longer in MOG-ON and showed severe swelling and twisting. The worst visual acuity was similar between the diseases; however, the final visual acuity was significantly worse in AQP4-ON.
Keywords: Anti-MOG autoantibody; Multiple sclerosis; Neuromyelitis optica spectrum disorder; Optic MRI; Optic neuritis; Visual prognosis.
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