One thing to keep in mind is that not-all people who are blind are completely without vision. There's a lot of variations of blindness, and the need for accessi

One thing to keep in mind is that not-all people who are blind are completely without vision. There's a lot of variations of blindness, and the need for accessibility. There's a good chance that some people needing to read braille can see that there's a sign there, but just can't read the letters with their eyes, especially in certain lighting conditions.