Contains devices to assist people with various condiitons who can't communicate verbally and normally rely on devices to convey their messaging. These can range from low technology alphabet boards through to high technology eye-gaze systems.
Devices that are based on eye movement to create messaging. This category includes eye pointing devices, carer assisted systems and eye tracking or eye gaze systems. Covers high and low technology devices.
Alphabet boards, symbol boards, static point and talk devices, low technlogy solutions to communicating by pointing with the hands.
Devices which can convert symbols or typed input into audible speech.