Papers on visually handicapped and mentally retarded children presented are the following: the challenge of the problem; programming; developmental learning; psychotherapeutic learning; operant conditioning; design of institutional facilities; care and management in institutional settings, schools, and state homes; and definitions of medical terms used to diagnose blindness. Educational and psychological management, history of multihandicapped groups at schools for the blind, and deviation in cognition are considered. Also considered are a hospital improvement program and goals of various community and institutional services. (MS)