Statistics 6.8 million people in the US have a visual disability 10.5 million people in the US have a hearing impairment Reference: 2011 reports from http://www.disabilitystatistics.org/
Sensory Impairments Sensory impairments refer to the reduced ability or lack of ability in using one or more of three senses: vision, touch and hearing. This includes tactile defensiveness or numbness of touch, visually impaired which includes blind, legally blind, deaf- blind, hard of hearing and deaf.
Assistive technology for personswith low vision Screen magnifiers have these features: ◦ Zoomtext demo ◦ Reverse polarity (Negative Contrast) ◦ Magnification ◦ Zooming feature ◦ Color enhancements ◦ Speech output (vary) ◦ Keyboard enhancements (e.g. keycaps)
Assistive technology tools for personswho are blind Screen reading software ◦ Examples are JAWS, Window-Eyes, VoiceOver Video Magnifiers (aka CCTV)
Tactile Graphics BANA (Braille Authority of North America) Guidelines & Standards for Tactile Graphics
Assistive technology for people withhearing impairments Hearing aids Assistive listening devices Captioning Speech to text Cochlear Implants Visual alert signalers Telecommunications: ◦ Texting ◦ Bluetooth ◦ Point to Point Video (e.g., Skype)