Benign retinal vasculitis. Clinical and fluorescein angiographic study.

Abstract

Central retinal vein occlusion occurs predominantly in the older age groups, and an increased incidence has been reported in association with systemic vascular disease (Paton, Rubinstein, and Smith, I964), chronic simple glaucoma (Smith, 1955), high viscosity syndromes (Rowlands and Vaizey, I938), and malignant disease (Ellis, Hamer, Hunt, Lever, Lever, Peart, and Walker, I 964). Central retinal vein thrombosis under the age of 40 years is infrequent (Vannas and Raitta, I966), and both clinical (Lyle and Wybar, I96I) and pathological studies (Ballantyne and Michaelson, I947) have suggested an inflam- matory aetiology. The appearances in both groups are similar, but the visual loss and retinal changes are less severe in younger patients.