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. 2024 May 23;38(12):2289–2301. doi: 10.1038/s41433-024-03108-y

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© The Author(s) 2024

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Fig. 1 — A MOG-ON (red): Typical features include bilateral longitudinally extensive ON, with optic disc swelling, involvement of the retrobulbar segment of the optic nerve, and optic nerve sheath involvement or optic perineuritis. B AQP4-ON (blue): Longitudinally extensive ON, with optic chiasm +/− optic tract involvement. C MS-ON (green): focal ON. AQP4 aquaporin 4, MOG myelin oligodendrocyte glycoprotein, MS multiple sclerosis, ON optic neuritis.