An extraordinary human function would be something like the ability to read messages with one's ears, forehead, fingers or some other part of the anatomy besides the eyes. There have even been accounts of reading by sitting on the message. The latter was popular in China in the late 1970's, when the study of EHF became a major research topic at Beijing University and the Chinese Academy of Sciences. Their research, like similar research in the Soviet Union and U.S., covered everything from using paranormal powers to catch criminals to the training of astronauts to use such powers for spying or for guiding missiles.
Braille is a much better bet.
See related entry on remote viewing . Keene, M. Lamar.