EVEN images from the most expensive cameras don’t yet rival the view of the world we get from our own eyes. The secret lies in the curved retina at the back of the eyeball – and now there is an artificial equivalent.
“The human eye is a spectacular camera, but its imaging optics are very simple,” says John Rogers from the University of Illinois at Urbana-Champaign, a member of the team that created the new camera. The eye only needs a cornea and lens to form an image – thanks to the curvature of the retina, which means that the focus and brightness of an image are…
