Which of the following is DOC for optic neuritis?

i.v. Methyl prednisolone is DOC for optic neuritis. Treatment of Optic Neuritis i.v. Methyl prednisolone is given in optic neuritis. Oral steroids not to be given initially. CHAMPS TRIAL - Interferon b-1a. Few studies in AIIMS show i.v. Dexmethasone is equally effective for treatment.