Worldwide there are over 160 million people with severe visual impairment, as defined by visual acuity poorer than 20/200.1 A prominent concern for visually impaired individuals is their limited navigational abilities due to insufficient sensory information about their surrounding environment which results in difficulty with navigating new or complex environments. In these situations, they often have to rely on the assistance of others to help them reach their destination. Furthermore, even when the visually impaired individuals are familiar with the area, they are not always aware of non-stationary obstacles, such as cars or people. Two commonly used solutions currently available to help visually impaired individuals navigate their surroundings are the white cane and guide dogs. The white cane is useful for alerting its users to obstacles closer than 1.5 m, but it does not provide any information about the environment beyond that scope. Guide dogs are in unfortunately limited supply and can cost upwards of $42,000 to train.2 To address this challenge, multiple groups have examined more technologically advanced solutions to help visually impaired individuals. However, these devices have some major limitations, such as complicated display modalities and non-intuitive sensory representation of environmental information. The major goal of this proposal is to develop a new electronic travel aid (ETA) that will help visually impaired individuals navigate their environment more easily by using a novel method of directly displaying the location of obstacles up to 4 m away on the user’s torso with a grid of small vibrational devices called tactors. This device is intended to be used with a traditional white cane that can detect objects very close to the user and terrain changes, such as a step in a stairwell.
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ASME 2012 Summer Bioengineering Conference
June 20–23, 2012
Fajardo, Puerto Rico, USA
Conference Sponsors:
- Bioengineering Division
ISBN:
978-0-7918-4480-9
PROCEEDINGS PAPER
Design of a Novel Electronic Travel Aid to Assist Visually Impaired Individuals Navigate Their Environment Available to Purchase
Robert Morrison,
Robert Morrison
Illinois Institute of Technology, Chicago, IL
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Thomas Lord,
Thomas Lord
Illinois Institute of Technology, Chicago, IL
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Emily Esko,
Emily Esko
Illinois Institute of Technology, Chicago, IL
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Lauren Gillmeister,
Lauren Gillmeister
Illinois Institute of Technology, Chicago, IL
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Christine Kazlauskas,
Christine Kazlauskas
Illinois Institute of Technology, Chicago, IL
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Derek Kamper,
Derek Kamper
Illinois Institute of Technology, Chicago, IL
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Jennifer Kang-Mieler
Jennifer Kang-Mieler
Illinois Institute of Technology, Chicago, IL
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Robert Morrison
Illinois Institute of Technology, Chicago, IL
Thomas Lord
Illinois Institute of Technology, Chicago, IL
Emily Esko
Illinois Institute of Technology, Chicago, IL
Lauren Gillmeister
Illinois Institute of Technology, Chicago, IL
Christine Kazlauskas
Illinois Institute of Technology, Chicago, IL
Derek Kamper
Illinois Institute of Technology, Chicago, IL
Jennifer Kang-Mieler
Illinois Institute of Technology, Chicago, IL
Paper No:
SBC2012-80352, pp. 1323-1324; 2 pages
Published Online:
July 19, 2013
Citation
Morrison, R, Lord, T, Esko, E, Gillmeister, L, Kazlauskas, C, Kamper, D, & Kang-Mieler, J. "Design of a Novel Electronic Travel Aid to Assist Visually Impaired Individuals Navigate Their Environment." Proceedings of the ASME 2012 Summer Bioengineering Conference. ASME 2012 Summer Bioengineering Conference, Parts A and B. Fajardo, Puerto Rico, USA. June 20–23, 2012. pp. 1323-1324. ASME. https://doi.org/10.1115/SBC2012-80352
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