Are you so faithful to your computer to view your documents, your emails, your calendar, the newspaper ??? And perhaps seek banking information over the Internet or via search engine Google you not known? One day it's possible that your eyes go backwards so you are visually impaired. And suddenly you are no longer able to read your computer screen. Fortunately, technology is not standing still making almost all computer operations as impaired or blind person to be possible.
Accessibility Options Operating System
Speech synthesis Program
The best known are probably operating systems Windows and Mac.
Windows has a standard magnification and storyteller as well as accessibility settings onboard. Adjustments to the screen and the Windows colors are also possible. A smaller screen makes the text larger. By adjusting the color, it is easier to read the text. These adjustments are useful for someone who has limited reading aid needed, but for more advanced settings is a full screen reader with magnification, speech and / or braille still required. Narrator speaks no Dutch standard, for example, not navigating structural elements, does not support Braille displays, ??
In a Mac are already many accessibility features implemented standard. So Mac works with VoiceOver, a screen reader which expanded magnification, speech and Braille support. Furthermore, the computer user may have other accessibility options around magnification, mouse and keyboard use, ?? set.
With a large computer screen to keep the table of the entire screen image. This is not useful for all visually impaired people, for instance when they look through a tiny tube. They must namely scan for the entire screen with their heads. Nevertheless represents a bigger computer screen for some, been a great help.
The viewing distance is easy to change a monitor arm. This is flexible, mobile, height-adjustable and tiltable making it a meaningful and foremost is ergonomically useful tool for visually impaired computer users.
Keyboards with a clearer contrast and large print are available in various shops, as well as ordered via the Internet. In Google you can find them quickly by such words as "keyboard" and "impaired" typing. Also keyboard stickers that you stick on your current keyboard to obtain. Naturally learn blind typing handy so you do not need tools.
This is special software that you install on your computer increases and the image on your screen. Various magnifications and other settings for color, contrast, mouse arrow cursor, etc. are adjustable. An increasing number of programs has a standard speech synthesizer on board. An example of a magnification program is Zoom Text.
This program also installs the tools supplier on your computer. All text that appears on the screen is readable with a speech synthesis program. This is done with a computer voice that sounds very day course. Usually, different languages available on your computer after installing this program. Various settings such as speed, altitude, voice, show little or a lot to read, ?? are possible. To do the voice work, the supplier must first install a screen. The screen reader then sends information from the screen to the speech synthesis program.
A screen reader sends a voice synthesizer or a Braille display at. This program is still on the computer requires a sighted or blind computer user with speech and / or braille want to work. Various types of screen readers on the market:
Open source = free: NVDA
built into the operating system: "Voice Over" on a Mac or "Narrator" in Windows
commercial: Jaws, Supernova, Cobra, Window Eyes, ??
A Braille display converts text into palpable Braille. On a sort of bar appear pins that come up and these form Braille characters. Usually located under a Braille display or the keyboard. On the market are tactile lines with several cells available. Sees and translates as a 40-cell Braille display 40 characters on the screen, and scrolling a blind or partially sighted people continue to view the rest of the screen. A screen reader sends to the Braille display. Finally, a Braille display has a hefty price tag because the production is expensive and it is a complex device. So you pay raft € 12,000 for a Braille display of 80 cells.
These tools and adaptations are determined individually and therefore you are advised by a low vision specialist or someone of a blind association to first consult these tools once independently and quietly testing. That way you avoid bad buys.
In Belgium, the Blind D contact Mobile for independent advice. Usually, the Flemish Agency for Persons with Disabilities reimburse - devices mostly. The Blind D Mobile gives advice but does not offer courses. Several blind associations such Blindenzorg Light and Love Brailleliga, ?? or organize courses on technological tools.
In the Netherlands Bartiméus and / or Visio available for the blind and partially sighted computer users; they also offer computer classes. Here goes the repayment through the insurance company. The Eye Line of Oogvereniging also gives independent advice: In addition, a visit to recommend to the Ziezo fair. This is an annual event in which huge wooden tools vendors, sports clubs, guide dog schools etc. to find.
A host of high-tech tools and simple adjustments are people who have eye problems fortunately still perfectly able to work with a computer.