Features of Diabetes : Venous Abnormaliities
Venous dilatation, beading and duplication...
occur as retinal ischaemia progresses. Beading is a useful sign of diffuse retinal ischaemia.
Venous dilatation...
is seen early in diabetic retinopathy but is a rather subjective diagnosis.
Steve Bain, Jon Gibson, Paul Dodson, Graham Sedgwick