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. Author manuscript; available in PMC: 2010 May 1.
Published in final edited form as: Optom Vis Sci. 2009 May;86(5):492–502. doi: 10.1097/OPX.0b013e31819f9e4d
1 Walking in familiar areas?
2 Walking in unfamiliar areas?
4 Moving about at work?
6 Moving about stores?
7 Moving about outdoors?
8 Moving about in crowded situations?
10 Moving about using public transportation?
13 Walking up steps?
14 Walking down steps?
15 Stepping onto curbs?
16 Stepping off curbs?
17 Walking through doorways?
24 Being aware of another person’s presence?
25 Avoiding bumping into people?
26 Avoiding bumping into walls?
27 Avoiding bumping into head height objects?
28 Avoiding bumping into shoulder height objects?
29 Avoiding bumping into waist height objects?
30 Avoiding bumping into knee height objects?
31 Avoiding bumping into low lying objects?
32 Avoiding tripping over uneven travel surfaces?
33 Moving around in social gatherings?
35 Seeing cars at intersections?