Fig. 2From: Effects of different three-dimensional electrodes on epiretinal electrical stimulation by modeling analysisStimulating electrode models. From left to right: disk electrode, concave hemispherical electrode, convex hemispherical electrode, concave conical electrode, convex conical electrode. a Five different spatial geometrical structures of stimulating electrodes (b) Schematic diagrams of the spatial placement of electrodes. Red dotted lines represent the ERDBack to article page