Diagnosis of relapsing-remitting multiple sclerosis (RRMS)

ability to consent and a written approval

First acute ON attack to the fit eye within 30 days before screening

Age 18 - 55 years at screening

EDSS ≤ 6.0

No MS Attack except for ON in the last 30 days before screening

No immunomodulatory therapy for at least three Months (before randomization), or

strong immunomodulatory therapy with interferon beta or glatiramer acetate for at least 6 months

visus in the affected eye at least 0.1

latency of Conventional VEP in the affected eye

* = 115 ms or difference\> = 15 ms to the opposite side at a Study at least 4 but no more than 6 weeks after Onset of clinical symptoms

At least 2 T2 lesions typical of MS in a previous MRI

MOdification of VIsual Outcomes After Optic Neuritis in CIS or MS by Gilenya (MOVING Study)