Chalky white optic disc on fundus examination is seen in all, except:
Chalky white optic disc is not seen in traumatic injury of the optic nerve. Ref: Practical Approach to Ophthalmoscopic Retinal Diagnosis By A. K. Gupta, Shahana Mazumdar, Saurabh Choudhry, M.D, Page 68 ; Clinical Ophthalmology By Kanski, 4th Edition, Pages 588-9
Syphilis
Lebers hereditary optic neuropathy
Post papilledema optic neuritis
Traumatic injury to the optic nerve