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Colorblindness Test and Exercise

Instructions:

You can run this program to find out whether you are colorblind. Approximately 12% of males are colorblind. Although fewer, millions of women are also. And if you are colorblind, you can play with this a few minutes a day as an exercise to discern colors better.

The colors will start to change as random words appear. Ideally, you will always be able to read a word although it may be very faint at times. If a word disappears entirely, you can click the Back button to look again at the color combination that's hard to see. You can click the Speed button to slow the program down, and you can click the Step buttons to check one step at a time.

Before assuming you are colorblind, move up and down and from side to side in case your screen is harder to see at some angles. You may also want to try it on another computer.

If you still can't see a word, you might want to note the Red, Green and Blue values of the foreground and background. You may be blind to these color combinations.

This is presented as fun, not a medically proven technique. But it may help. With practice and patience many people have overcome seemmingly impossible obstacles. This program is not intended as a replacement for proper eye care.

Feel free to embed the Colorblindness app in your own web pages. Just copy and paste the purple text below.

     <iframe src="http://www.500ways.com/insertcolorblind.php" width="550" height="460" frameborder="0">|</iframe>


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