
A visually impaired or a blind person can use current smart phones with touch screens with help of a screen reader or a magnifier nearly as efficiently as a sighted person. However, this depends on how well the graphic elements are described and how accessible the apps are made.
A smart phone with its apps can today replace many devices with control panels and previous expensive devices which are designed or adapted for the visually impaired. These are for example
Talking wrist watch
Vibrating clock
Talking alarm clock/timer
Talking thermometer
Talking barometer
Note taker/recorder
Daisy / MP3 player
Talking heart rate meter
Talking compass
Audio water pass
Talking measurement tape
Talking colour recogniser
Talking scale
Talking light level meter
Talking bank note recognizer
Spotlight
Desibel meter
Motion sensor
Braille note taker
Talking calculator
Navigator
Obstacle recognizer / radar guide
Talking blood pressure meter
Talking blood sugar meter
Talking pedometer
Talking kitchen or personal scale
Talking micro oven or other domestic equipment
key holder with audio tracking
Talking marker
Magnifying glass
Electronic magnifier
CCTV
Monocular
Calendar /almanac in braille or large print
Tactile maps
Tactile chess
Playing cards in braille
Screen magnifier program
Screen reader program
Speech synthesizer
Text recognition program / scanner
The functions in Many of the above mentioned devices are built in the operating systems of smart phones such as the iPhone or other IOS devices. It is worthwhile to mention that nowadays the manufacturers of mobile devices are integrating the functions of third party developer apps into their operating systems. In this way the accessibility needs of the visually impaired are more widely taken into the consideration.
Mobile devices do not only replace the previous technical aids for the visually impaired but they also benefit from the artificial intelligence, which can help visually impaired person in describing images, objects, people, spaces and distances.
The most popular Apple apps designed for the visually impaired are for example the following
Recognizes and speaks text, products, colours, notes, faces, light level etc.
TextGrabber
KNFB Reader
VoiceDream Scanner
TapTapSee
Aipoly Vision
InVision
SuperSense
BlindSquare
Talking navigator / map
LoadStone (especially for outdoors)
Ariadne
Sara (especially for sailing)
Clew
Indor navigation recording and tracking
Invisible Maps
PratsamReader
Daisy player for downloading and listening audio books from the library for visually impaired
Voice Dream Reader
Audible
IOS −luetus
App for downloading and reading newspapers and magazines
Dolphin Easy Reader
MovieReader
Audio description software for films
Be My Eyes
Online video call app, sighted volunteers describe and guide remotely
MBraille
Touch Screen Braille keyboard
Audio Games
Papa Sangre
BlindHockey
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