Happy birthday, Braille: how writing you can touch is still helping blind people to read and learn
Louis Braille, who was born on January 4, 1809, invented a tactile reading and writing system which transformed the lives of countless people with severe vision impairments or blindness. Braille was blind himself, and first came up with the idea for a form of writing you can read by touch while he was still at school.
Braille code is made up of 64 characters, based on a matrix of six raised dots, which were historically embossed on paper. Different formations of these dots can represent a single letter, a combination of letters or a word. For nearly 200 years, braille code has enabled people with vision impairments around the world to get an education.
But now, technology offers visually impaired people new opportunities to access information. Today’s computers and mobile devices are equipped with speech functions, which can read information aloud for blind users. So some are wondering whether braille is still needed.
Yet based on the research we’ve done at the University of Birmingham’s Vision Impairment Centre for Teaching and Research (VICTAR), we would argue that technology and braille are allies, rather than competitors.
The evolution of braille
The truth is, technology and braille code have always worked well together. After all, braille’s success is closely linked to the technological developments which enabled the code to be written and mass-produced. Braille writing frames, mechanical writing machines such as the Perkins brailler, and braille embossers (which are essentially braille printers) have all helped to make braille more accessible today than ever before.
Many products have braille embossed on their packaging, including groceries. And it is now a legal requirement to have braille labels on all medicine packaging. Indeed, our own research underpins this international standard.
This trend also reflects the improvements in national and international laws regarding disability. But there is no doubt that better technology has played a crucial role in opening up opportunities for people with vision impairment to enjoy greater access to information.
For example, the refreshable braille display arrived on the scene in recent decades. These braille displays link up to computers, and present text in a line of braille characters, which are refreshed as the user reads each line. This portable technology has transformed the way that many vision impaired people use braille, enabling them to read online information and communications anywhere, anytime.
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