A case of injury to right brow due to a fall from scooter presents with sudden loss of vision in the right eye.The pupil shows absent direct reflex but a normal consensual pupillary reflex is present.The fundus is normal.The treatment of choice is;

• A. Intensive intravenous corticosteroids as prescribed for spinal injuries to be instituted within 6 hrs
• B. Pulse methyl prednisolone 250 mg 4 times daily for 3 days
• C. Oral prednisolone 1.5 mg/kg body weight
• D. Emergency optic canal decompression