Assistive Technology for vision

Logotipo de Vision Australia

Vision Australia is a leading national provider of blindness and low vision services in Australia. We work in partnership with Australians who are blind or have low vision to help them achieve the possibilities they choose in life.

We support more than 27,500 people of all ages and life stages, and circumstances. We do this through 28 Vision Australia centres in Victoria, New South Wales, the Australian Capital Territory, Queensland, South Australia and Western Australia; 30 clinics; and through outreach programs in the Northern Territory and Tasmania.

This guide presents an overview of current vision technologies that can provide students, who are visually impaired or blind, with effective and independent means of accessing e-text. Includes both print and Braille.

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Aplicaciones informáticas que permiten camiar la configuración de la imagen de la pantalla para invertir los colores, incluir distintos tipos de filtro o presentarla en alto contraste. Normalmente es una función adicional del software de magnificación de pantalla.

Conviene saber que las opciones de accesiblidad de la mayor parte de los sistemas operativos proporcionan esta funcionalidad.

National Federation of the Blind - The Ustraap is a navigational aid for blind users. It’s more what I would call, “local” navigation, and not long distance like GPS. It is meant to be used in combination with a cane or dog guide, and not to replace them, (which is the first of several things that the folks from Ustraap got right).
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Given the release number you might think this is only a minor release. However looking at the number of developers who contributed to it and the number of pull requests and issues that were solved this turns out to be a very impressive and solid release. Most prominently we have a new function to discover tables based on meta data in table headers. Also makeinfo is no longer required to build liblouis. And lastly we have numerous improvements in Braille tables such as Korean, Vietnamese and UEB to name just a few.

New Features

Architectural overview of Liblouis and Liblouisxml

Liblouis is an open-source braille translator and back-translator named in honor of Louis Braille. It features support for computer and literary braille, supports contracted and uncontracted translation for many languages and has support for hyphenation. New languages can easily be added through tables that support a rule- or dictionary based approach.

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Dispositivos o programas informáticos que mejoran el funcionamiento de otros dispositivos o programas. También pueden incluirse en esta clasificación aquellos productos relacionados con las tecnologías de ayuda a la visión que no estén incluidas en los otros tipos de productos existentes de tecnologías para la visión.

Liblouis webpage

The Liblouis software suite provides an open-source braille translator, back-translator and formatter for a large number of languages and braille codes. It is a set of libraries designed for use in any of a number of applications, both free and commercial. It is written in C so that it does not require a runtime environment and hence can be used in applications written in high-level languages such as Java and Python.

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Many people with serious visual impairments live independently, using a wide range of tools and techniques. Examples of assistive technology for visually impairment include screen readers, screen magnifiers, Braille embossers, desktop video magnifiers, and voice recorders.
Source: Wikipedia


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