https://www.nextbigfuture.com/2017/09/bionic-lens-can-make-vision-three-times-better-than-20-20.html The lens restores clear vision at all distances without any visual quality problems. It can auto-regulate within the eye by connecting to the muscles that change the curvature of our natural lenses, which allows it to focus at different ranges – potentially much wider ranges than our natural sight is capable. via Bionic lens can make vision three times better than 20-20 | NextBigFuture.com.