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Showing 16 to 30 of 33 results Save | Export
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Vernon, McCay – Volta Review, 1974
Usher's syndrome, a genetic condition causing congenital profound hearing loss and a progressive blindness due to retinitis pigmentosa, affects an estimated three to six percent of children in educational and rehabilitative programs for the hearing impaired. (Author)
Descriptors: Congenital Impairments, Deaf Blind, Deafness, Diseases
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Geruschat, Duane R.; Turano, Kathleen A. – Journal of Visual Impairment & Blindness, 2002
Retinitis pigmentosa (RP) causes restriction of the visual field, progressive vision loss, and night blindness. This article presents an overview of the most common problems in orientation and mobility (O&M) for individuals with RP, appropriate interventions, vision science discoveries related to RP, and the impact of RP on functional visual…
Descriptors: Adults, Children, Partial Vision, Rehabilitation
Corwin, Thomas R; Mancini, Michael – 1978
A new test designed to detect an hereditary eye disease called retinitis pigmentosa (RP) is described. This condition is revealed by pigmentation in the retina, but early diagnosis is difficult because the symptoms are subtle, and since it is genetically recessive it frequently occurs in families with no history of early blindness. In many cases…
Descriptors: Eyes, Medical Research, Ophthalmology, Physiology
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Zebehazy, Kim T.; Zimmerman, George J.; Bowers, Alex R.; Luo, Gang; Peli, Eli – Journal of Visual Impairment & Blindness, 2005
In addition to their restricted peripheral fields, persons with retinitis pigmentosa (RP) report significant problems seeing in low levels of illumination, which causes difficulty with night travel. Several devices have been developed to support the visual needs of persons who have night blindness. These devices include wide-angle flashlights,…
Descriptors: Vision, Visually Impaired Mobility, Visual Impairments, Assistive Technology
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Hicks, Wanda M. – American Annals of the Deaf, 1979
A study involving eight youths and adults with retinitis pigmentosa (and only 20 degree visual field and hearing loss of at least 20 decibels) determined variance in the ability to perceive and comprehend visual stimuli presented by way of the manual modality when modifications were made in configuration, movement speed, movement size, and…
Descriptors: Deaf Blind, Exceptional Child Research, Hearing Impairments, Multiple Disabilities
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Mallinckrodt, Brent; Sprinkle, Mary Ann – Journal of Counseling and Development, 1991
Charles F. "Chuck" Warnath, professor emeritus and former university counseling center director, was interviewed about his personal life, early training with Donald Super, counseling center experiences, convictions about professional counseling, dedication to issues of equality, and current struggles with the progressive effects of retinitis…
Descriptors: Biographies, Counselors
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Ponchillia, Susan – RE:view, 2001
The writer, a rehabilitation teacher, describes her visit and volunteer work with the Canadian National Institute for the Blind in Canada's Northwest Territories. She describes the area's geography, people, and her experiences including learning to drive on the gravel highway and her rehabilitation teaching subjects. Closing reflections focus on…
Descriptors: Adults, Blindness, Canada Natives, Foreign Countries
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Miner, I. D. – Journal of Visual Impairment & Blindness, 1995
Usher syndrome, Type I, requires multiple adaptations throughout the life cycle because each stage of life has tasks and losses associated with deafness and progressive retinitis pigmentosa. This article examines the issues raised at each stage, using clinical vignettes from persons who have this condition and their families. (Author/DB)
Descriptors: Adaptive Behavior (of Disabled), Adjustment (to Environment), Adults, Adventitious Impairments
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Fillman, Robyn D.; And Others – RE:view, 1989
Usher's syndrome is described, with emphasis on the visual symptomatology characteristic of retinitis pigmentosa. Also discussed are the services needed by individuals with Usher's Syndrome, the syndrome's psychosocial aspects, ways to prevent self-defeating behavior, orientation and mobility, and classroom adaptations. (JDD)
Descriptors: Adolescents, Classroom Techniques, Educational Planning, Hearing Impairments
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Vernon, McCay – Journal of Visual Impairment and Blindness, 1982
The association of hearing loss and retinitis pigmentosa has been generally recognized as the genetic disorder of Usher's syndrome. The article reviews findings of this syndrome and suggests strategies for dealing with the clinical and psychological problems displayed by Usher's syndrome patients. (Author/SW)
Descriptors: Clinical Diagnosis, Congenital Impairments, Deaf Blind, Etiology
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Jones, Tim – Journal of Visual Impairment & Blindness, 2006
This article reports on the ability of observers who are sighted and those with low vision to make time-to-collision (TTC) estimations using video. The TTC estimations made by the observers with low vision were comparable to those made by the sighted observers, and both groups made underestimation errors that were similar to those that were…
Descriptors: Vision, Computation, Visual Perception, Visual Impairments
Baechle, Cathy L.; Rittenhouse, Robert K. – 1986
The authors describe personal experiences with Usher's Syndrome, a condition involving visual impairment (due to Retinitis Pigmentosa) and deafness. Prevalence and onset of Usher's Syndrome are described along with characteristics of two different types. Problems connected with diagnosis are reviewed, including genetic aspects and the progressive…
Descriptors: Adjustment (to Environment), Behavior Patterns, Clinical Diagnosis, Deaf Blind
Rochester School for the Deaf, NY. – 1976
Summarized are the presentation of M. Vernon and the Comments of primary panelists from a seminar on Usher's Syndrome, a genetic disease involving congenital deafness and progressive loss of vision due to retinitis pigmentosa. The following topics are addressed: genetics today, nature of Usher's Syndrome, symptoms, prevalence, lay diagnosis for…
Descriptors: Clinical Diagnosis, Conference Reports, Deaf Blind, Etiology
Dewar, A. J. – Sight-Saving Review, 1976
Descriptors: Biology, Blindness, Etiology, Heredity
Lago-Avery, Patricia, Comp. – Northeast Technical Assistance Center (NETAC), Rochester Institute of Technology, 2001
Usher Syndrome is an autosomal recessive genetic disorder characterized by congenital hearing loss and gradually developing retinitis pigmentosa leading to the loss of vision. Approximately 25,000 people in the United States have some form of Usher Syndrome. Most of these individuals have either Type I (10,000) or Type II (15,000). Type I Usher…
Descriptors: College Students, Disabilities, Special Needs Students, Genetic Disorders
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