Consider alternative formats such as large print and audiotapes.
National Disability Strategy, Commonwealth Department of Families, http://www.fahcsia.gov.au/about/news/2011/Pages/nds_18032011.aspx
A strategic framework for inclusion and participation by people with disabilities in Government policies, programs and services.
This site also includes a booklet designed to assist you to provide information to, and effectively communicate with, people with disability. It covers issues such as accessible formats for major disability groups and provides contact details for organisations that can advise you on the communication needs of particular disability groups.
See also these fact sheets for staff of disability employment and advocacy services: