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Orientation and Mobility

Three Aspects of Coverage Provided by the Long Cane: Object, Surface, and Foot-Placement Preview--print edition page(s) 295-301

B.B. Blasch, S.J. LaGrow, W.R. De l'Aune

Abstract: The various devices and techniques available for nonvisual travel may be evaluated in terms of the mobility coverage they provide. However, the coverage provided varies in relation to the function of the device or technique used. The long cane and the various techniques for its use are designed to provide the traveler with object, surface, and foot-placement preview. This article further refines the definition of those functions while specifying each in terms of its measurement.

Older Persons and Community Travel: The Effect of Visual Impairment--print edition page(s) 302-313

R.G. Long, L.W. Boyette, N. Griffin-Shirley

Abstract: This article reports the results of a study that compared the community-travel habits and perceptions of older persons with visual impairments to those of older person without visual impairments. Factors that accounted for variations in the frequency of and satisfaction with travel in the visually impaired group were also explored. Implications of the findings for providers and consumers of rehabilitation services are discussed.

The Relationship of Vision and Psychological Variables to the Orientation and Mobility of Visually Impaired Persons--print edition page(s) 314-324

S.A. Haymes, D.J. Guest, A.D. Heyes, A.W. Johnston

Abstract: The relationship between orientation and mobility (O&M) performance and residual vision is not clearly understood. Intuitively, good vision should result in good O&M, and little or no vision should result in poor O&M. However, the literature suggests a more complicated picture. The authors propose that certain psychological variables, such as particular personality traits and intelligence, may account for some of the complexity. This article reviews previous work in this area and outlines directions for future research.

Children

When May a Child Who Is Visually Impaired Recognize a Face?--print edition page(s) 325-332

R. Markham, S. Wyver

Abstract: The ability of school-age children who were visually impaired and their sighted peers to recognize faces was compared over seven tasks that were designed to detect both qualitative and quantitative differences between the two groups in this regard. Although no differences were found in the two groups' ability to identify entire faces, the visually impaired children were at a disadvantage when part of the face, especially the eyes, was not visible. In addition, whereas children with better visual acuity seem to discriminate faces on the basis of internal features, children with worse visual acuity seem to be dependent on hair and the contour of faces.

Low Vision

Telescopic Low Vision Aids with Motorized and Auto Focuses--print edition page(s) 333-340

T. Kuyk

Abstract: Prototypes of motorized-focus telescopes (MFTs) and of a 4X auto-focus telescope (AFT) were constructed, and 22 users of hand-focus telescopes (HFTs) were trained to use them for near-distance and intermediate-distance tasks. Despite the lack of differences in performance with the MFT, AFT, and HFT, the subjects' ratings on 9 of 10 aspects of telescope performance were significantly higher for the AFT and MFT than for the HFT.

Reading and Aging

Reading Proficiency of Elderly Visually Impaired Persons after Rehabilitation--print edition page(s) 341-351

M. Myrberg, Ö. Bäckman, G. Lennerstrand

Abstract: This article reports on the results of a study of the reading proficiency of 3,200 visually impaired persons in Sweden (86 percent of whom were elderly) following training in the use of optical devices and a follow-up study of 5 percent of the sample three years later. After training, 95 percent of the original sample used optical aids as their preferred reading medium, 71 percent could read newsprint, and 50 percent read fluently. Three years later, there was a substantial drop in the number of patients using reading aids, although those who used them had become more proficient readers.

DEPARTMENTS

Editor's Page--print edition page(s) 291-291

Point/Counterpoint--print edition page(s) 292-294

Research Note--print edition page(s) 352-356

Demographics Update--print edition page(s) 356-359

Classified--print edition page(s) 359-360

NEWS SERVICE

IN THIS ISSUE

Around the World--print edition page(s) 1-4

Management Update

Energizing Job Placement through Best Practices--print edition page(s) 4-6

C. Monte, F. Coco

Random Access

"Technology and Persons with Disabilities": Report on the 1996 Conference--print edition page(s) 6-8

J.D. Leventhal

Reviews

Little Stevie Wonder in Places under the Sun, "Shoofly," and "Boomerang,"--print edition page(s) 8-10

Reviewed by D. Kent

Product Evaluation

A Review of Two Portable Closed-Circuit Television Systems: The MaxEye and the Passport--print edition page(s) 10-14

R. Shen, M.M. Uslan

Follow-Up

Home- and Community-based Long-term Services: Action Steps--print edition page(s) 15-16

L. Lidoff

Calendar--print edition page(s) 16-20

News--print edition page(s) 20-30


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Entire Issue (in HTML)


The Journal of Visual Impairment & Blindness (JVIB)--the international, interdisciplinary journal of record on blindness and visual impairment that publishes research and practice
and serves as a forum for the exchange of ideas, airing of controversies, and discussion of issues--is copyright Copyright © 2018 American Foundation for the Blind. All rights reserved.

 

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