%0 Journal Article %A S S Hayreh %T Blood supply of the optic nerve head and its role in optic atrophy, glaucoma, and oedema of the optic disc. %D 1969 %R 10.1136/bjo.53.11.721 %J British Journal of Ophthalmology %P 721-748 %V 53 %N 11 %U https://bjo.bmj.com/content/bjophthalmol/53/11/721.full.pdf