It wasn’t long ago that vision restoration was a very invasive process. But we’ve come a long way, partly because this has become a top priority for many researchers around the world.

We speak to Dr. Daniel Palanker, a professor at Stanford University. He designed PRIMA, a new-generation sub-retinal implant that is completely wireless. He explains how his technology, which uses tiny silicon chips, could one day make a difference for people who are losing their sight.

This is the May 11, 2018 episode.