Ключевые слова: ability, access, adapt, adjust, blind, blindness, cane, control, detect, disability, easy, feeling, floor, footpath, guide, impaired, impairment, indicator, learn, loss, medical, mobility, navigate, pattern, pavement, paving, pedestrian, people, recognition, road, sensation, sensory, sight, sign, skill, stick, surface, system, tactile, technique, texture, tip, tool, touch, urban, utility, vision, visionless, visual, walk,