Users who are blind will be unable to interpret information conveyed in diagrams and charts unless the same information is summarised in the body of the article.

A judgement needs to be made about the depth of description required depending on whether the diagram illustrates points made in the text or provides new information.

See also Alt-Text in Word

Further Information

• Guidelines for describing visual teaching materials (Open University)
• Effective Practices for Description of Scientific Content (NCAM)