Optic neuritis can occur alone or in conjunction with other COVID-19-induced neurological illnesses, including myelitis, neuromyelitis optica (NMO) spectrum disorders, anti-myelin oligodendrocyte glycoprotein (anti-MOG) antibody disease, and acute disseminated encephalomyelitis (ADEM) [49-55]. The gene discussed is MOG; the disease is neuromyelitis optica.