Hyperviscosity-Related Retinopathy in Waldenström’s Macroglobulinemia Funduscopic examination revealed bilateral retinal-vein dilatation and tortuosity with retinal hemorrhages (Panels A and B show the right and left eyes, respectively). Fluorescein angiography revealed retinal-vein beading patterns with multiple aneurysmal changes and vessel-wall staining (Panels C and D). #Clinical #Ophthalmology #Funduscopy #FluoresceinAngiography #Retinal #Hemorrhages #Hyperviscosity #Waldenström #Macroglobulinemia #NEJM