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Penrod, Bauder, Simmons, Corley & Belcher (2005) assert that electronic travel aids (ETA) may be described as devices that send out signals to sense the environment (preview) within a certain distance and inform the user of relevant bits of information about the environment, thus forewarning the user about safety hazards that may lay ahead (Farmer, 1975; Farmer & Smith, 1995; Smith & Penrod, 2010). Blasch, Long and Griffin-Shirley (1989) assert that such devices transform information about the environment, which would normally be perceived through the visual sense, into a form that can be perceived through another sense by the person …

A product evaluation and pilot study to determine the efficacy of the UltraCane in outdoor environments AbstractThis article serves two purposes. It is a product evaluation of the UltraCane electronic travel aid for persons who are blind and is also a pilot study that will be the basis for a three-part research project addressing the efficacy of four electronic travel aids (ETAs). The UltraCane, the K Sonar Device, the MiniguideUS, and the Handguide are arguably the cutting edge of new technology designed to assist the person who is blind in traveling independently.The purpose ofthis research was to test the efficacy …