Fig. 3From: Optical coherence tomography angiography characteristics of optic disc melanocytomaVascular density comparisons in the control group and ODMC groups in areas centered on the optic disk. a Vascular density comparison of the total areas; b Comparison of the vascular density between the control group and ODMC groups in 9 single areas.****compared with the previous stage, P < 0.0001. IR, inner ring; OR, outer ringBack to article page