In optic atrophy, the optic disc is appears to pale is index of
Atrophy of the nerve fibre
Loss of vasculature
Gliosis
All of the above
(Loss of vasculature) (302-Khurana 4th)OPTIC ATROPHY* Ophthalmic features of optic atrophy is generally are pallor of the disc and decrease in the number of small blood vessels (Kastenbaum index)* The pallor is not due to atrophy of the nerve fibres but to loss of vasculature
Optic Nerve