Californian Braille known as Braille Grade II is used on interior signs to help visually impaired person. According to ADA regulations, Californian braille is compliant in every state in America. Braille Grade II is shorter and abbreviated and helps visually impaired to read faster.
At SignOptima, not only we manufacture Braille Signs, we also pay special attention to manufacture in compliance with regulations and standard.
Braille dots are required to have a domed or rounded shape and comply with Table