In this trial, patients who had been living their life in darkness have had the lights switched back on, allowing them to read again, and see the faces of their loved ones.

Credits: envato elements;

The patients were equipped with a new eye implant that connects to a video camera fitted on a pair of glasses, which records the scenery and uses AI to convert it into an infrared signal that is beamed to the bionic chip so it can relay the message to the undamaged retinal cells, which then sends it to the brain.