Allen Zderad, a blind man from Forest Lake, had his sight restored after he became the first person in Minnesota, and 15th person in the country, to receive a bionic eye. He hadn’t seen his wife or grandchildren in more than a decade, until the new device was turned on at Mayo Clinic. Zderad suffers from retinitis pigmentosa, a degenerative, genetic eye disease that slowly stole his sight over the course of his life by deteriorating the part of the retina that turns light into vision. Continue reading for more amazing facts about the human body.
