Fig. 1From: Occlusive retinal vasculitis and periphlebitis in Buerger’s disease: a case reportColour fundus photos (top row) and corresponding red-free images (bottom row). Occlusive retinopathy in the macular region, with vascular loops, collateralization, nerve fiber layer infarcts and pre−/intra-retinal hemorrhages is noted. The vessels show arteriolar narrowing with venular dilation and sheathingBack to article page