1. A Bionic Eye Restores a Man’s Vision Minnesota native Allen Zderad has regained his vision almost 20 years—after he was diagnosed with an untreatable degenerative eye disease—10 years of which he spent nearly blind. The 68-year-old underwent a clinical trial of “Second Sight,” a new technology that bypasses the damaged retina by sending light waves directly to the optic nerve. Though the resulting vision …
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