Fundoscopy of a patient shows chalky white optic disc with well defined margins. Retinal vessels and surrounding Retina appears normal. Which of the following is the most likely diagnosis-
Primary Optic Atrophy
Post-neuritic secondary optic atrophy
Glaucomatous optic atrophy
Consecutive optic atrophy
Chalky white optic disc with well defined margins along with normal retinal vessels and surrounding retina is typical of Primary Optic Atrophy.