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Devices for blind and partially sighted people
Devices for blind and partially sighted people
In this presentation we're going to talk about devices used by blind or partially sighted people to work with computers
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Braille embosser
Braille Embosser
Screen Magnifier
Braille embossers have the purpose of a printer but they render text as tactile Braille cells. This way, documents "printed" by this device allow Blind people to read them. However, they are very expensive, with prices ranging from 2000$ to 150000$.
Braille Keyboard
Braille Sticker
Adapted keyboards
Adapted software
Braille stickers
While it may seem that blind people require specific keyboards they can use generic keyboards via products meant to adapt them, although there are specific keyboards for this purpose.
A set of Braille stickers contains a sticker with an embossed Braille translation for each key in a keyboard. This way, the user can verify which key they're pressing. This is a basic and economic solution
There is a variety of software adapted for blind and partially sighted people.
Braille Keyboards
Braille keyboards are a more expensive solution but it offers a higher quality. They come in different shapes. Some may look like generic keyboards, with the only difference being that the keyboard has the Braille translation of the key. Others are completely adapted versions.
For blind people there are programs that read the screen aloud so they can hear the contents. Some examples are JAWS for Windows, Orca for Linux and Voice-Over for Mac OS.
For partially sighted people there are programs that present enlarged visuals. They are called screens magnifiers. Some examples are Magic Screen Magnification for Windows and Close View for Linux.
There's also a Linux distribution called Blindux and is adapted for visually impaired people, although it's not free. Include e-mail, text editor, calculator and web browser.