Ophthalmology Neuro-ophthalmology 905841de Optic neuritis causes - A Gradual painless loss of vision B Sudden painless loss of vision C Gradual painful loss of vision D Sudden painful loss of vision High-Yield Explanation Visual loss in optic neuritis : Sudden, progressive and profound visual loss. Patients may complain of dull eye ache. Ref:AK Khurana 6thE pg 318