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US, Australian Researchers Use New Technology to Bring Vision to Sightless

Scientists in the U.S. and Australia are using new devices, experimental a bionic eyes, to help bring sight to the sightless. It uses similar technology to cochlear implants that have been helping people hear for decades. Both implanted devices stimulate key nerves connected to the brain so that people can enjoy the senses of sight or hearing. VOA's Paul Sisco takes a look.