Regaining lost sight Researchers around the world are developing technology to help restore sight to the visually impaired. At Belgium's Catholic University of Louvain, Prof. Claude Veraart is working on a system that combines a small camera and an electronic device implanted behind the eye. The system is akin to a cochlear implant that aids in hearing. Credit: KRT Related stories: Regaining lost sight Dutch researcher Peter Meijer developed a nonsurgical technique for helping the visually impaired "see" their surroundings. A video camera mounted on sunglasses translates images into sound; software is located in the backpack. Credit: Barbara Schweizer Related stories: