Background: Chronic relapsing inflammatory optic neuropathy (CRION) is a recurrent, idiopathic optic neuritis and is considered as a rare disease.
Objective: To describe the clinical course during long-term follow-up of patients with a diagnosis of CRION.
Methods: From a cohort of 1,735 patients with demyelinating disorders, we selected patients aged over 16 years with CRION according to current criteria.
Rev Med Inst Mex Seguro Soc
September 2021