A St. Louis University neurosurgeon has helped give partial sight to blind people. Dr. Kenneth Smith Junior was one of four surgeons who implanted into eight blind patients devices that stimulate the visual cortex of the brain. The devices don’t provide normal sight and don’t work for all types of blindness but do allow patients to see large objects and walk without aids. The two-to-three hour operations took place in Lisbon, Portugal, on patients from six countries, including the United States.
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