Braille is an alphabet so can be used by many different languages
(Picture: Alamy/PA)Blindness and vision impairment affect at least 2.2 billion people on the planet, according to WHO, all of whom face different daily challenges from those with 20-20 vision.
Despite advances in technology and accessibility one reliable tool that has aided the visually impaired for hundreds of years is still around: braille. And the UN-recognised day to celebrate the written alphabet will come around again in the new year of 2023.
