Be sure to Alt Text all images and figures in your research and presentations so they are accessible.
Alt Text is the written copy that appears in place of an image on a webpage that helps screen-reading tools describe images to blind and partially sighted readers.
It is estimated that up to 4% of the population relies on some sort of Assistive Technology to access electronic documents and Web pages. Assistive Technology includes; Screen Reading software, Refreshable Braille displays, and Screen Magnifiers. In the United States alone that equals 12.5 million people. If electronic documents are not created with accessibility issues in mind, they become very difficult if not impossible to read or navigate for this large number of people.
Three Steps to Creating an Accessible PDF File (with Adobe). To read more click here.