![]() Seventy percent of the patients benefited from treatment with corticosteroids pulse, only 2 did not receive treatment, the short-term evolution was favorable in 5 patients with a total recovery of visual acuity, one patient has evolved into atrophy of the left optic nerve and kept visual acuity low to 1/10 of the left eye. The diagnosis retained in our patients were 2 cases of Behcet's disease, 1 monophasic neuritis, 1 optic neuritis with anti-MOG, 1 CRION, 1 case linked to COVID 19 in the absence of another plausible cause. The infection investigations were negative in all cases except positive COVID 19 serology in one case ![]() The diagnostic work-up included cerebral imaging which showed old nodular abnormalities of signal of the subcortical white matter in one patient.ĬSF analysis revealed anti-MOG antibodies in only one case. ![]() Retrobulbar involvement was confirmed by visual evoked potentials in all patients, they showed demyelinating involvement. The visual field was pathological in 2 cases (narrow, central scotoma). Visual acuity decrease was severe < 3/10 in 80% of cases. The first manifestation was a decrease in visual acuity in all cases, 12 eyes affected, with bilateral involvement in 5 patients. There were 7 cases, 4 girls and 3 boys with F: M of 1.3:1, mean age of 10 years and age range of 6–13 years.
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