While he perceived it as green, his wife saw it as blue. This disagreement led to the creation of his new website ismy.blue, ...

I think it’s unambiguously green and she thinks it’s unambiguously blue.” The researcher and programmer was working with new ...

As of Jan. 1, the FAA began requiring all applicants for an initial airman medical certificate to test for color vision ...

Tritanopia is a type of color vision deficiency ... distinguish between blue and green, pink and yellow, and red and purple. Color vision deficiency, also called color blindness, affects how ...

For instance, you may have trouble distinguishing between red and green or yellow and blue. Some people don’t see colors at all. Color blindness is often inherited and involves changes to the ...