Optic neuritis secondary to chikungunya virus infection

摘要

We present a case of optic neuritis secondary to Chikungunya virus infection. Male, 46 yo, initial symptoms were pain and low visual acuity in the right eye associated to fever and symmetrical polyarthralgia one week ago. At the examination the visual acuity was 20/60 in the right eye and 20/20 in the left eye, fundoscopy showed papillo edema on the right eye. Immediately initiated pulse therapy with methylprednisolone for 7 days and improvement of the neuritis was observed in the follow-up of 1, 3 and 12 months, but partial improvement of the visual acuity. Among the investigated causes, Chikungunya IgM positive serology was identified.