Fig. 4From: Effects of different three-dimensional electrodes on epiretinal electrical stimulation by modeling analysisThe electric field distribution in GCL of different disk electrodes with 20 μA cathodic stimulus. Left: the electric field strength at the surface of GCL; Right: the general electric field distribution in GCL shown in COMSOL. a ERD = 20 μm. b ERD = 40 μm. c ERD = 60 μm. d ERD = 80 μmBack to article page