In fact, there are two distinct types of tetrachromacy. In some cases, it's genetic. But in some rare cases, it can also be an acquired trait. While it's difficult to test, enough tetrachromats ...

I realized I may be witnessing scientific history. New tetrachromacy test is to color vision what the Rosetta Stone was to language. Source: By Ozgun Evren Erturk. Late last year, Dr. Patten ...

This is the world of tetrachromacy, this very unusual genetic feature where individuals, mostly women, can see up to 99 million more colours than the average person. These people may have four ...

It is therefore impossible for an online test to investigate tetrachromacy. Additionally, the claim that 25% of people are tetrachromats is inaccurate. While Jay Neitz, a color vision researcher ...

On 28 February 2015, an online test for tetrachromacy (a rare condition of a person's having four cone cells in the eye) went viral after being shared on the LinkedIn social media site.

This is everything you need to know about Tetrachromacy. Tetrachromacy is a condition which allows people to see colours invisible to most of us. Almost everyone has three types of cone cells in ...