What would the world look like to someone with a bionic eye?

These are simulations of what people with visual prostheses might perceive with a very high resolution implant. The first panel shows the ideal ’scoreboard model’ – what we’re trying to achieve. The middle panel shows a simulation of the effects of electrical stimulation. We assume that electrical stimulation will simultaneously cause responses in both ON- and OFF pathways - that’s what causes the weird edge effects, and will also result in some stimulation of ganglion cell axons - that’s what causes th