assistance
attention
blind
blindness
button
care
caution
city
communication
control
crossing
crossroad
danger
disability
disabled
equipment
eyesight
hand
handicap
handicapped
help
impairment
intersection
lifestyle
medical
ophthalmologist
pedestrian
proceed
road
safe
safety
see
sight
sign
signal
stop
stoplight
street
symbol
traffic
urban
vertical
vision
walk
warning