Yes, and i believe its called an Ishihara Test.
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who discovered color blindness
color blindness night blindness snow blindness
Yes. See Wikipedia - Pingelap (#Color-blindness)
No, it is not an infectious disease like a cold or flu. Color blindness occurs in people who have a specific genetic trait for it. They often have adapted to the visual disorder by the time they are tested to find out they have it.
It is not true that color blindness is most common in females. Color blindness is most common in males and approximately 8 percent of men have it.
The cause of color blindness is X-linked factors.
Color blindness is hereditary and non-communicable.
Colour (color) blindness is genetic and is not curable.-- The question asks whether red-green color blindness is treatable, not curable.
Colour (color) blindness is genetic and is not curable.-- The question asks whether red-green color blindness is treatable, not curable.
The cure of color blindness is to drink dairy products and get lots of excerise.
howie mandle has color blindness and so does oprah