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Case Reports
Dilation of the minor arterial circle of the iris preceding rubeosis iridis during retinal vein occlusion.
- Michel Paques, Jean-François Girmens, Eva Rivière, and José Sahel.
- Department of Ophthalmology of the Fondation Ophtalmologique Rothschild, Paris, France. michel.paques@laposte.net
- Am. J. Ophthalmol. 2004 Dec 1; 138 (6): 1083-6.
PurposeTo report in four patients with retinal vein occlusion the presence of biomicroscopically visible circulation in the minor arterial circle of the iris, preceding rubeosis iridis in two cases.DesignRetrospective observational case series.MethodsFour patients with ischemic type of central or hemi-central retinal vein occlusion seen at a single center.ResultsDilation of the minor arterial circle remnants with biomicroscopically visible circulation was observed in four eyes of four adult patients with severe retinal ischemia secondary to retinal vein occlusion and preceded the occurrence of anterior segment neovascularization in two cases.ConclusionIn patients with ischemic retinal vein occlusion, the clinical finding of a dilation of the minor arterial circle may indicate the necessity of a closer follow-up to make a timely decision on panretinal photocoagulation.
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