title: A functional classification system for the deaf-blind.
mesh_terms: D000293:Adolescent; D000328:Adult; D001766:Blindness / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D003071:Cognition; D003638:Deafness / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007398:Interpersonal Relations; D007802:Language; D008297:Male; D009048:Motor Skills