![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiirZGcJer5Tcmx4vzEyFhjytm8bk-mKVNf-_CY58etaNaRxCC7Hpbt_JCkyKrtT4s9WEIHVqD3qHkaRwf4j5jdjjjETgcN7ra0WhVG-Pc6YwC-JMEC6fRSH8JQhy5QafHUcgTmqjDblEc/s400/color+blind.jpg)
The picture at the right shows four different pictures with different colors that allow anyone to take a color blind test. They are made of dot patterns composed of primary colors. These dot patterns represent a symbol that is layered on a background of randomly mixed colors. The test can determine certain abnormalities in a person's color vision.
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