Smashing Magazine has just published a useful article on practical UX guidelines for the 466 million people who experience hearing loss. Some facts:
- You can only understand 30% of words via lip-reading.
- Most deaf people do not know any sign language.
- Many sign languages have local dialects that can be hard to interpret.
- Not all deaf people are fluent signers and often rely on visual clues.
- For many deaf people, a spoken language is their second language.
- Sign language is 4-dimensional, incorporating 3D space, time and also facial expressions.
Read more: How To Design For (And With) Deaf People