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Updated: Aug 1, 2025
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A Single-Channel and Non-Invasive Wearable Brain-Computer Interface for Industry and Healthcare
Published on: July 7, 2023
2.4K
Wearables for persons with blindness and low vision: form factor matters
Yangha Hank Han1, Mahya Beheshti2,3, Blake Jones2
1Department of Biomedical Engineering, New York University Tandon School of Engineering, New York, New York, USA.
Assistive Technology : the Official Journal of RESNA
|April 28, 2023
Summary
Millions face blindness and low vision (BLV), hindering daily life. This study explores assistive technologies, suggesting body-centered approaches may improve function and independence for persons with blindness and low vision (pBLV).
Area of Science:
- Ophthalmology
- Assistive Technology
- Human-Computer Interaction
Background:
- Globally, 43.3 million people had blindness and 295 million had moderate to severe vision impairment in 2020.
- These numbers are projected to rise significantly by 2050, impacting millions more.
- Blindness and low vision (BLV) severely limit daily activities and independence.
Purpose of the Study:
- To review existing assistive technologies for persons with blindness and low vision (pBLV).
- To identify limitations of current handheld and head-mounted assistive devices.
- To propose a body-centered approach as a potentially superior alternative for enhancing function and mobility.
Main Methods:
- This is a perspective review, analyzing existing literature and technological trends.
- It critically evaluates the shortcomings of current assistive technology form factors.
- It posits the potential benefits of a body-centered design paradigm.
Main Results:
- Current handheld and head-mounted assistive technologies have inherent limitations.
- These limitations can hinder optimal functioning and independence for pBLV.
- A body-centered approach shows promise in overcoming these identified shortcomings.
Conclusions:
- The prevalence of vision impairment necessitates innovative assistive solutions.
- Existing assistive technologies, while helpful, are not without drawbacks.
- Further research and development into body-centered assistive technologies are warranted to better support persons with blindness and low vision.
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