Assistive Tech Form Factor: The Impact of Embodiment on Biomechanics and Function in Persons with Blindness and Low Vision

Learning Objectives:

• Describe how incorporating biomechanical measures (e.g., range of motion, working volume, movement smoothness) alongside functional outcomes can provide a more complete evaluation of assistive technologies for persons with blindness and low vision.
• Analyze the observed differences in functional and biomechanical performance between head-mounted and hand-held embodiments, recognizing task-specific trade-offs rather than universal advantages.
• Discuss future design considerations that emphasize not only usability but also long-term ergonomic sustainability, acknowledging that reducing unnecessary physical burden is especially important for populations already at elevated risk of musculoskeletal strain.