Optic atrophy is an end-stage that arises from myriad causes along the path from the retina to the lateral geniculate body. Since the optic neurone transmits retinal information to the brain optic atrophy is associated with vision loss.

The risk factors  Increased IOP as in glaucoma Ischemia Compression as in tumors Inflammation Infection So, we can classify optic atrophy in a very simple way   Primary optic atrophy Post papilloedema of atrophy Templar pallor due to d sclerosis Glaucomatous of atrophy Consecutive of atrophy due to disorders of choroid and retina Toxic neuropathy In o atrophy there is loss of axons and shrinkage of myeline leading to gliosis and widening of optic cup Share you opinion.