Screen Readers

People with visual impairments can experience difficulty when essay to view round of the poorly knowing websites. A topic of research studies were conducted so that the findings can be used in trying to build drug user friendly websites and design engineering science devices that they can use on websites.

Below are some of the basic needs of the visually impaired users (Batusek, 1999):
-The system must(prenominal) enable comfortable control by means of junto of delivery commands and keyboard.
-Speech commands should be supported by speech command dictionary that allows to expressing a command in several(prenominal) ways, making the control of the system more intuitive.

Screen readers
This is an drill that attempts to describe to the machination user in speech what the lifelike user interface is displaying. It turns the visual output of the standard user interface into a format that is accessible to a blind user. The screen reader acts almost as a comprehend companion to the blind user, reading out what is happening on the screen - popup boxes, command buttons, menu items, and text (Meiselwitz, 2010). The goal of a screen reader is to make it appear to the user as if the current application was itself a talking application designed specifically for blind users.





References
Lazar, J., Wentz, B. & Olalere A.. Investigating the Accessibility and Usability of Job lotion Web Sites for Blind Users.Journal of Usability Studies 7(2)pp. 68-87, 2012

Meiselwitz, G,Wentz,B., andLazar, J.Universal Usability: Past, Present, and Future 3(2)PP.213-333, 2010

Batusek,R., Kopecek,I..User interfaces for visually impaired people, exploit of Fifth ERCIM workshop on User Interfaces for All, Dagstuhi,Germany,1999

ISO 9241-11: Guidance on Usability (1998)

Shneiderman, Ben and Catherine Plaisant [2009]. Designing the User Interface: Strategies for Effective
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