However, only about 10 percent of vision-impaired people can read Braille, and even those who do, typically use a combination of Braille and text-to-speech devices for the computer.

然而，只有10%的视力受损者可以阅读盲文，他们是那些利用盲文和计算机的文本到语音转换设备组合的人。

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Blunkett urges people to learn Braille saying that even the best computer Braille displays and earpieces won't help you do a presentation in the same way as having your information on paper in front of you.

BBC: Braille is spreading but who's using it?

His senior year in High School, Greeley invented a device that translated the light patterns on a computer screen into Braille, so the visually impaired could use a computer.

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In the future, so many of the public forms and communications we receive could easily be put in Braille by the use of computer software and the transcription equipment now readily available to public authorities.

BBC: Why Braille is brilliant