911 resultados para Low vision
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Esta pesquisa investiga a inserção de pessoas com deficiência visual no mercado de trabalho, focalizando empresas privadas da Região Metropolitana de Belém no período de 2000 a 2006. O mercado de trabalho é compreendido, neste estudo, como um complexo sistema, resultante das regras predominantes da relação capital e trabalho, porém paralelamente, há mecanismos de inserção ancorados em critérios, nem sempre explícitos, que podem produzir resultados discriminatórios. A pesquisa teve como principal fonte, informações obtidas junto a empresas privadas da Região Metropolitana de Belém. Observa-se nesse período, uma tímida inserção das pessoas com deficiência visual no mercado de trabalho, assim como uma significativa disparidade entre a inserção de pessoas com baixa visão e a das cegas, sendo a presença destas, quase inexistente em empresas privadas da Região Metropolitana de Belém.
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Pós-graduação em Bases Gerais da Cirurgia - FMB
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Background: This study analyzed the positioning of the head, trunk, and upper extremities during gait in children with visual impairment. Methods: A total of 11 children participated in this study: 6 with blindness and 5 with low vision. The kinematics of the positioning of the head, trunk, shoulders, and elbows in each participant was analyzed during the four phases of the gait cycle: foot strike, support, toe-off, and swing. Results: There were significant differences between children with blindness and low vision in the positioning of the trunk in the sagittal plane during the foot strike, support, and swing phases. Conclusions: The analysis identified postural alterations of the head, trunk, shoulder, and elbow during the children’s gait, highlighting the relevance of appropriate stimulation at an early age in orientation and mobility programs, as well as the essential presence of professionals who work with movement.
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Pós-graduação em Educação Escolar - FCLAR
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This work is situated in the universe of resource rooms with a focus on the teachinglearning disabled students with low vision and visual in two cities of São Paulo. The paper discusses theoretically the historical emergence of these rooms, the deployment in the State of São Paulo and its importance within the context of school inclusion of students with visual impairments. Its purpose is to conduct a general survey of the operating conditions of the rooms from the perspective of the teacher of students. The results verified the contribution of this service as a complementary tool of the ordinary classroom, the use of specific instructional materials and overall educational performance of students. The results indicate that this type of specialized care while receiving criticism, does not promote segregation, but what about the educational needs of these students, who despite the lack of vision, school performance is equal to or better than the other students in the classroom common, it all depends on family support, and dedication to studies by the student. Research has shown students satisfied with the services provided in the resource room, as well as integration and good relationships between teachers and students. We could also highlight the importance of specific training and mastery of knowledge by the teacher to work with the visually impaired person. At the end the results were sent to the schools of this research object of study so that it can contribute to effective work in the educational process for visually impaired students in resource rooms
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Design - FAAC
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Pós-graduação em Bases Gerais da Cirurgia - FMB
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Pós-graduação em Bases Gerais da Cirurgia - FMB
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BACKGROUND: Photodynamic therapy (PDT) is the standard treatment procedure for many forms of exudative and/or neovascular AMD. Despite therapy, visual acuity often drops to low vision levels. The cost efficiency of treating the eye in which vision is worse is therefore the subject of some controversy. PATIENTS AND METHODS: A retrospective case-control study was conducted in all patients who were treated with PDT at the Universitätsspital Zürich between September 1999 and November 2004. Each patient's first (with worse vision) and second (with better vision) eyes were compared for situation on presentation and course during treatment. RESULTS: In 117/228 cases (51.3%) visual acuity of the treated eye was better than (or identical to) that of the fellow eye at presentation. Visual acuity before therapy was an average of 0.58+/-0.27 logMAR [Snellen: 0.26 (0.14-0.49)] in the eyes with better visual acuity and 0.69+/-0.4 logMAR [Snellen 0.20 (0.08-0.51)] in the fellow eyes (p=0.015). After therapy there was no significant difference between the patient groups in visual acuity or in the magnitude of any change in visual acuity, or in lesion size or change in lesion size. CONCLUSION: The outcome of PDT of a second eye (with better visual acuity) is not significantly better than the result obtained in the first eye (the one with worse visual acuity initially).
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Purpose: Most recently light and mobile reading devices with high display resolutions have become popular and they may open new possibilities for reading applications in education, business and the private sector. The ability to adapt font size may also open new reading opportunities for people with impaired or low vision. Based on their display technology two major groups of reading devices can be distinguished. One type, predominantly found in dedicated e-book readers, uses electronic paper also known as e-Ink. Other devices, mostly multifunction tablet-PCs, are equipped with backlit LCD displays. While it has long been accepted that reading on electronic displays is slow and associated with visual fatigue, this new generation is explicitly promoted for reading. Since research has shown that, compared to reading on electronic displays, reading on paper is faster and requires fewer fixations per line, one would expect differential effects when comparing reading behaviour on e-Ink and LCD. In the present study we therefore compared experimentally how these two display types are suited for reading over an extended period of time. Methods: Participants read for several hours on either e-Ink or LCD, and different measures of reading behaviour and visual strain were regularly recorded. These dependent measures included subjective (visual) fatigue, a letter search task, reading speed, oculomotor behaviour and the pupillary light reflex. Results: Results suggested that reading on the two display types is very similar in terms of both subjective and objective measures. Conclusions: It is not the technology itself, but rather the image quality that seems crucial for reading. Compared to the visual display units used in the previous few decades, these more recent electronic displays allow for good and comfortable reading, even for extended periods of time.
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Aim. To review and explore cataract prevalence in stable and unstable countries by examining published and unpublished ocular literature about Africa from 1980 onwards.^ Methods. Searches using OVID, Proquest Dissertations, WHO, and Ebsco Host were done. The review was restricted to articles utilizing WHO definitions of blindness and low vision. Random cluster sampling technique with a minimum sample size of 1,500, and reporting causes of blindness categorized by age and gender were inclusion considerations in the selected articles. ^ Results. Blindness and low vision increased with conflict. Women and the elderly were more likely to have vision impairing cataract. Cataract was the leading cause of blindness; the prevalence range was 22%–81% for the reviewed nations.^ Conclusion. Instability was connected to higher cataract prevalence and worse visual outcome across all characteristics examined except cataract surgical rates. ^
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Enmarcado en un proyecto más amplio, en este TFG se ha realizado un prototipo funcional de una aplicación Android para realizar una función de magnificador digital de documentos en papel. Para llevarlo a cabo se ha realizado un estudio de los TFG anteriores incluidos en este proyecto, así como un estudio del desarrollo en Android. Posteriormente se ha diseñado la interfaz de usuario del prototipo funcional, partiendo de los resultados de la evaluación del prototipo de baja fidelidad realizado en un TFG anterior. Tras este diseño se ha Implementado el prototipo funcional, usando las librerías desarrolladas en TFG anteriores. Por último, se ha realizado una evaluación de la usabilidad y accesibilidad del prototipo funcional y se han definido una serie de recomendaciones de cambio a partir de esta evaluación de cara al desarrollo del sistema definitivo. ---ABSTRACT---As a part of a larger project, this TFG develops a functional prototype of an Android application to perform a magnifier function to paper documents. This application is aimed at people with low vision problems. To get it done, a study of the previous TFG included in this project as well as a study of Android developing has been made. After that, the user interface of the functional prototype has been designed, starting from the results of the low-fidelity prototype evaluation made in a previous TFG. In this design, several changes have been made regarding the low-fidelity prototype, applying the results of the usability evaluation. After this design, the functional prototype has been implemented using the libraries developed in the previous TFG. In this process some modifications over these libraries have been required. Finally, a usability and accessibility evaluation about the prototype with real users has been made, and there have been defined several change recommendations from this evaluation having in mind the development of the final system.