![]() However, here is a simple test online that will help you. There are other tests that can be purchased for around $800, but I highly recommend purchasing the Ishihara plates for this purpose. It is simple to give and saves a lot of investment from the employer side as well as employee. So needless to say, all who enter my press room, must take the Ishihara Color Blindness Test. The lesson: I had better be more preemptive. If ten percent of all those who have come through have a color deficiency, then sooner or later it was bound to happen. I have worked with a few women before in the press room, but by and large most were men. It was just a matter of time before someone like this came along. I'll now go back to the example in the beginning. Of these three color deficiencies, 10 percent of the male population and 1 percent of the female population either inherit or acquire in their lifetime. Anomalous Trichromacy - when colors are seen, but matched differently by the brain.Dichromacy - one of the three basic color mechanisms is malfunctioning.I don't profess to know all different types, but there are some that are more subtle to discover than others. He was color blind.Ĭolor blindness doesn't necessarily mean only seeing black and white. ![]() One that would stop him dead in his tracks in the printing industry. Before long though, I discovered a hurdle that even he wasn't aware of. I work in the offset printing industry and purchased these plates to diagnose a pressman to see if he was able to perceive color well.Īt first, I took it upon myself to teach him some the basics of ink and water balance. ![]() If you would like to skip my story and go right to the color blindness test, you can here. Though these pictures can tell you if you suffer from color blindness, it should not replace an actual diagnosis by purchasing the real Ishihara Color Blindness Test which consists of several plates that diagnose various forms of color blindness.
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