General Medicine General b0bac4e4 A young man with blurring of vision in right eye, followed by left eye after 3 months, showing disc hyperemia, edema, circumpapillary telangiectasia with normal pupillary response with centrocecal scotoma on perimetry, the cause is - A Typical optic neuritis B Acute Papilledema C Toxic optic neuropathy D Leber's hereditary optic neuropathy