M. Havenko1, M. Labetska2, V. Korotka3 1Lviv Regional Clinical Hospital 2Ukrainian Academy of Printing 3Andrei Krupynskyi Lviv Medical Academy Introduction. In the process of educational and work activities, blind people mostly use tactile sensitivity to perceive information, the presentation of which is mainly realized in a six-dot format according to the well-known Braille system. The Read More …