computer software and instruction manuals sold or distributed therewith for assisting the handicapped to communicate; computer based device for a speech impaired user to generate voice output to assist in communication; computer based device with changeable screen display of multiple icons selectable by a speech impaired user to generate voice output to assist in communication; computer programs for predicting words in text for use by individuals with physical or learning disabilities; eye controlled communication apparatus for use in the control of computers, voice synthesizers, printers, modems, telephones, displays, and environmental controls; and infrared beam interface attachment for personal computer