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So do all you color blind poker players have chauffers or just run a lot of red lights?

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Well, they have to pick up an orange and drop it to determine which way gravity is pulling, then compare that against the position of the light on the signal, but they get used to it after a while.

I know Google isn't as easy as the 2+2 search feature, but after typing "color blind surgery" and a few seconds of difficult scrolling, I found this:

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Inherited color vision problems cannot be treated or corrected. Some acquired color vision problems can be treated, depending on the cause. For example, if a cataract is causing a problem with color vision, surgery to remove the cataract may restore normal color vision.

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