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Table 1 Use of Mobility Aids – All Ages

From: A prototype power assist wheelchair that provides for obstacle detection and avoidance for those with visual impairments

  Legally Blind Serious Difficulty Seeing but not legally blind US Population
Totals 1057389.5 5315541 259994178
Uses Any Kind of Wheelchair (Manual, Electric or Scooter) 101565 279070.5 1668244.5
Percent 9.61 5.25 0.64