It is the developed technology to help blind people. Greek 964; 965; 966; 955; 959; 962; (tyflos, "blind"), 964; 949; 967; 957; 951; (tekhne, "art, technical") and 955; 959; 947; 959; 962; (logos, "study, Treaty, knowledge")
Greek typhlos - ou, blind, techne - es, art, technique and logos - ou, reason, study. Assistive technology to the blind. A set of theories and computer and technological techniques applied to use by people who are blind or low vision part.