Fig. 1

a Segmentation of superficial retinal plexus with an inner boundary at 3 mm beneath the internal limiting membrane (ILM) and an outer boundary set at 15 mm beneath the inner plexiform layer (IPL). b Segmentation of deep retinal plexus with an inner boundary 15 mm beneath the IPL and an outer boundary at 70 mm beneath the IPL at the level of inner nuclear layer. c Segmentation of peripapillary vascular plexus at the level of radial peripapillary capillaries (RPC) layer