Colorblindness isn’t really what it sounds like. Most people with the condition can see some colors correctly but can’t pick out others. “Color deficiency” might be a better name. Whatever you call it, it’s more common in men than women. About 1 in 12 men are colorblind, compared with about 1 in 200 womenWith the most common kind of colorblindness, you can’t tell the difference between some shades of red and green.
Colorblindness also can come from working around chemicals like fertilizers or solvents. But while things like taking certain drugs or working with certain chemicals can cause secondary color deficiency, it is very uncommon.If your child is colorblind, you may not know it until they start to learn the names of colors. Or they may have a hard time in school with exams or homework that use color-coded materials. It’s a good idea to test kids’ color vision around age 4.
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