Clinical Monitoring, MRI and Neuro-Ophthalmology of a Cohort of Patients With a Clinically Isolated Syndrome (CIS)

The purpose of this study is to develop tools to detect, measure, monitor and predict axonal damage in the course of CIS and during Multiple sclerosis (MS), in order to be able to consider as early as possible an adaptation of the background treatment in patients with MS. patients with radiological criteria of poor long-term clinical course.