Adapting direct manipulation for blind users

In contrast, for a variety of other languages than English speech synthesizers are not suitable for intensive &y-to-day use. In Europe education and rehabilitation of blind people is focusing on bmille as the standard notation. Originally Braille is based on paper and is being read by moving fingers over lines of text. Braille displays can be used effectively at the work place, as they are based on the principle that every chamcter shown on the screen is also presented in braiIIe by raising several pins.