Division on Visual Impairments

DVI Quarterly Volume 59(1)

A quarterly newsletter from the Council for Exceptional Children's Division on Visual Impairments containing practitioner tips for Teachers of Students with Visual Impairments, Certified Orientation and Mobility Specialists, and other professionals.

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38 versus multiple people moving slowly versus quickly) with his hands. The most noteworthy finding of the study was that this student who is classified as deaf-blind was indeed able to use the K-Sonar for additional information while traveling. He was able to use it to rather reliably detect hallways on the opposite side of the hall. This student has typically used the strategy of walking in the center of hallways, which can be dangerous for the student, passersby, and limits the tactile feedback the student gets from either wall when using on a cane. Another noteworthy finding is that the student traveled more slowly when using the K-Sonar in conjunction with a cane. Before the study began, the student's O&M specialist indicated that one of her primary concerns for the student was that he traveled too quickly which was dangerous for him and the people around him. The student's pace was slower when he used the K-Sonar with a cane. This is likely because he is paying more attention to the objects around him, which are detected by the K-Sonar. This could also potentially keep him safer. While this study is far from conclusive, the evidence that the K-Sonar can be used by individuals with cochlear implants is compelling. While the K-Sonar would not be a good stand-alone mobility tool for students like the one in this study, the population of individuals who are deaf-blind with cochlear implants might, in fact, be candidates for auditory mobility tools, like the K-Sonar. The student in this study indicated he intends to

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