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This study investigates the clinical evaluation of the Drive-Safe System, a semi-autonomous smart wheelchair designed for visually impaired individuals. Utilizing the NASA Task Load Index (NASA-TLX), the research assesses the usability, efficiency, and satisfaction of the wheelchair's architecture. Conducted by Sharma, Simpson, LoPresti, and Schmeler, the findings aim to enhance the independence and quality of life for users with visual impairments, highlighting the importance of assistive technologies in rehabilitation.
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Figure 2. Study protocol. NASA-TLX = National Aeronautics and Space Administration-Task Load Index. Sharma V, Simpson RC, LoPresti EF, Schmeler M. Clinical evaluation of semiautonomous smart wheelchair architecture (Drive-Safe System) with visually impaired individuals. J Rehabil Res Dev. 2012;49(1):35–50.http://dx.doi.org/10.1682/JRRD.2010.03.0022