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Sonar System Enables the Blind to See Again

Thu, 11/29/2012 - 11:21am
medGadget

Researchers from the Hebrew University of Jerusalem have developed a device with which congenitally blind people will be able to see again to some extent. This “sonar vision” device transforms images into sound, enabling the blind to perceive visual information via the ear. Results of the conducted study using the technology were published in Neuron.

The sonar system can transform images into sounds by using a combination of a video camera embedded in a pair of eyeglasses, a laptop and headphones. Before being able to “see” with this device, a person will need about 70 hours of specialized training in identifying shapes transformed into sound. After this training the blind person may become very adept at perceiving information like where people are located in a room and even to read words and letters.

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