Ключевые слова: adult, animal, assistance, background, blind, blindness, care, caucasian, color, disability, dog, domestic, eye, eyesight, female, friend, girl, green, guide, health, helping, illness, impairment, labrador, leading, lifestyle, moving, navigation, orientation, people, person, pet, seeingeye, service, sight, sightless, stick, trained, vision, visual, walking, white, woman, young,