Pennsylvania College of Optometry
This dvd teaches those who work with the blind to assist in their independent functioning. It instructs future teachers to assist clients improve walking independently using reflected sound (meaning ambient sound, air pressure, and temperature change). What you see is the training portion of the entirely interactive dvd.
The use of training dvd’s enables the College of Optometry to offer consistent and visually interesting information to their students. The dvd’s include many complicated visuals, hand-outs, and graphics that are always accessible via these educational dvd’s through links to websites and keyword search ability.