Figure 2

Unsupervised clustering of vitreomacular interface configurations. Panel (a) shows clusters for branch retinal vein occlusion patients; Panel (b) for central retinal vein occlusion. The Cluster 0 contains eyes without vitreomacular adhesion, including both completely attached vitreous and complete posterior vitreous detachment. Clusters 1–3 contain eyes with vitreomacular adhesion. If more clusters are chosen, the unsupervised algorithm differentiates between shallow and steep vitreomacular adhesion in separate classes.