For Low vision readers – certain letters and numbers can be hard to distinguish from one another. Answer – Atkinson Hyperlegible differentiates common misinterpreted letters and numbers using various design techniques. The examples in the screenshot show how similar B and 8 can look, as well as 1, I, i, and l.
https://files.mastodon.online/media_attachments/files/109/668/717/206/188/967/original/d481582a8d6095ac.png