Ключевые слова: adult, assist, background, blind, blindness, cane, care, careful, closeup, danger, difficulty, disability, disabled, eye, eyesight, female, girl, handicap, handicapped, health, help, holding, illness, impaired, indoors, legs, lifestyle, long, navigation, ophthalmology, orientation, person, physical, safety, shoes, sight, sightless, single, skills, special, standing, stick, top, view, vision, visual, walking, woman,