Quest for prosthetic retinas progresses toward human trials, with a VR assist

An artificial retina would be an enormous boon to the many people with visual impairments, and the possibility is creeping closer to reality year by year. One of the latest advancements takes a different and very promising approach, using tiny dots that convert light to electricity, and virtual reality has helped show that it could be a viable path forward.
These photovoltaic retinal prostheses come from the École polytechnique fédérale de Lausanne, where Diego Ghezzi has be