Any suspicion which may have existed in the reader's mind as to completeness of coverage of the literature in any field attempted by the reviewer is definitely enhanced by the recent paper of Barr and McEwen.1 They list a total of 269 periodicals in ophthalmology and related fields! Selection of material for this article has been influenced by the extent of library facilities and the interests of the reviewer. For a more comprehensive coverage of certain aspects of optic nerve disease, the reader is directed to the excellent review by Klien2 in the May, 1960, issue of the A.M.A. Archives of Ophthalmology.
Since the circle of Zinn is a lower pressure arterial system than the central retinal artery, stasis occurs more readily in the area of the disc than in the retina if there is passive congestion high enough to prevent the normal reabsorption of tissue fluids.
HENDERSON JW. Neuro-Ophthalmology. Arch Ophthalmol. 1960;64(4):618-643. doi:10.1001/archopht.1960.01840010620022