A blind man from Minnesota is now able to see his wife for the first time in 10 years after being fitted with a bionic eye.
Allen Zderad, 68, was diagnosed with a degenerative eye disease 20 years ago that left him blind.
Thanks to the Mayo Clinic in Minnesota, he was able to use a prototype of a device called "Second Sight" that uses pulsating lights to allow him to see and interpret the shapes of people and objects.
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When the doctors turn on the device, Allen is filled with tears of joy when he is able to see his wife for the first time in 10 years.