Development of scales for the measurement of orientation and mobility of young blind children.
D001766:Blindness; D002657:Child Development; D002675:Child, Preschool; D003210:Concept Formation; D004777:Environment; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D009048:Motor Skills; D009949:Orientation; D010551:Personality