Screen readers act as an interface between a user and a computer’s operating systems and applications. It is a software program that allows blind web users to “read” the content of a page with either a speech synthesizer or braille display. It works by pushing small pins up into a line of holes to form Braille characters.Ī screen reader is a type of assistive technology. When it comes to web content, deaf-blind users may use a refreshable Braille display in combination with a screen reader to operate a computer and interact with web content.Ī refreshable Braille display is a piece of physical software that attaches to the bottom of a keyboard or laptop. People who are deaf-blind will often rely on touch for communication and understanding different kinds of content. Assistive Technology for People Who Are Deafblind Braille Displays Generally, someone who is deaf-blind has concomitant hearing and vision loss, which cause severe communication and developmental issues.įor content creators and developers, it is essential to understand how people who are deaf-blind use the web, and how we can create web content that they can easily perceive and understand. It is estimated that around 0.2% of the world’s population is completely deaf-blind, and another 2% live with “milder forms” of deaf-blindness.
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