"People can use it to recognize faces in a social setting," she said. "That’s a huge advance." The telescope is implanted in one eye for jobs like reading and facial recognition. The other eye, unaltered, is used for peripheral vision during other activities like walking. After implantation, extensive therapy is crucial, she said, to learn to deal with the different abilities of the eyes.
"The vast majority of the patients have been able to adapt to the new state," using one eye for ambulating and the other for reading, facial recognition and similar chores, he said. "The average patient goes from legally blind to being able to read large-print books."