New tetrachromacy test is to color vision what ... We were asked to take an online test that was something like a game or perceptual illusion, and each of us did so remotely from our homes.

New tetrachromacy test is to color vision what ... We were asked to take an online test that was something like a game or perceptual illusion, and each of us did so remotely from our homes.

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.

Tetrachromacy is a rare genetic trait that ... Computer monitors can only so so many shades, so take the online tests with a grain of salt. Doctors often perform these tests in person to get ...

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 ...

This is the world of tetrachromacy, this very unusual genetic ... Most of the tests available online are false results because monitors do not project all the colors and tints, so professional ...

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 ...