Ключевые слова: adult, aid, assistance, assisting, attractive, blind, blindness, cane, care, cars, city, closeup, crossing, day, depend, eyesight, front, health, help, illness, impaired, male, males, man, midsection, navigation, one, outdoors, outside, pedestrian, person, protect, protection, safe, safety, sight, skilled, stick, street, summer, symbol, town, unrecognizable, unsighted, urban, view, vision, waistcoat, walking, white,