Dos and don'ts: Designing for users who are deaf or hard of hearing

Do

• write in plain English
• use subtitles or provide transcripts for video
• use a linear, logical layout
• break up content with sub-headings, images and videos
• let users ask for their preferred communication support when booking appointments

Don't

• use complicated words or figures of speech
• put content in audio or video only
• make complex layouts and menus
• make users read long blocks of content
• don't make telephone the only means of contact for users

Fuente: Dos and don'ts on designing for accessibility