Fig. 1: Schematic Representation Of Blood Supply of: (A) The Optic Nerve Head And (B) The Optic Nerve.
Abbreviations: A = arachnoid; C= choroid; CRA= central retinal artery; Col. Br.= Collateral branches; CRV= central retinal vein; D= dura; LC= lamina cribrosa; NFL= surface nerve fiber layer of the disc; OD= optic disc; ON= optic nerve; P= pia; PCA= posterior ciliary artery; PR and PLR= prelaminar region; R= retina; RA= retinal arteriole; S= sclera; SAS= subarachnoid space.
A Reproduced With Permission From Hayreh 1978 [16]. B Modified From Hayreh, S.S. 1974 [8].
<back to part 1> | <Back to part 2>
last updated: 8/24/2016
