It is our impression that during the past few years we have been encountering more patients in whom we can observe changes which suggest sclerosis of the retinal veins. Attempts to classify these changes adequately have been difficult because material for a combined ophthalmoscopic and microscopic study is rarely available. In this paper we have attempted to approach the problem of the classification of retinal phlebosclerosis, combining clinical and microscopic evidence, although to some extent it has been necessary to rely on inference rather than on proof.
In view of the fact that the venous changes to which we refer resemble in some ways the changes observed in retinal arteriosclerosis, we have assumed that they are due to retinal phlebosclerosis. The rather frequent observation of venous sclerosis in microscopic retinal sections makes this assumption somewhat more justifiable. That the venous and the arterial lesions do not appear identical is evident
GIBSON GG, SMITH LW. RETINAL PHLEBOSCLEROSIS. Arch Ophthalmol. 1941;26(5):840–851. doi:10.1001/archopht.1941.00870170132010
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