Lepoglava is congenital or acquired during early age, loss of vision and hearing and related hearing loss dumbness. Without special training deaf-blind child does not acquire basic skills. Such children are encouraged to develop at special. teach them. In the USSR, in Zagorsk) there is a boarding school for deaf-blind children, where they learn school knowledge and work skills. Communicate with others when Lepoglava by using finger alphabet (dactylology), perceived by touch.