How do I make visual presentations accessible to VIPs?

Follow the link below for the WBU PowerPoint Guidelines on how to make visual presentations accessible to audience members who have a vision impairment.
 

Council, like the World Blind Union, recognises that visual aids are a standard feature of modern presentations, and often house styles and colours are required to be incorporated into them. The following guidelines are not intended to be prescriptive, but rather suggestions of good practice. They are designed to help presenters include all members of their audience.

Documents: 

Tips on preparing a presentation for VIPs