Training the blind to 'see' using new device to 'listen' to visual informatoin | Science News | Scoop.it
From www.sciencedaily.com - May 20, 2012 5:43 PM

A method developed at the Hebrew University of Jerusalem for training blind persons to "see" through the use of a sensory substitution device (SSD) has enabled those using the system to actually "read" an eye chart with letter sizes smaller than those used in determining the international standard for blindness.