Soon cataracts may be the thing of the past, and even better, it may be possible to see a staggering three times better than 20/20 vision. Oh, and you could do it all without wearing glasses or contacts. Ocumetics Bionic Lens essentially replaces a person’s natural eye lens. It’s placed into the eye via a saline-filled syringe, after which it unravels itself in under 10 seconds. The lens has taken nearly a decade to develop and has cost US$3 million.