RecruitingClinical trialInvestigating the Effect of Ocrelizumab in African Americans and Caucasians With Relapsing Multiple SclerosisThe investigators intend to examine the effects of ocrelizumab use in African American multiple sclerosis disease course compared to Caucasian disease course utilizing imaging measures with magnetic resonance imaging (MRI) and optical coherence tomography angiography (OCT-A)..