People with colour blindness have only two cones that function normally, so they're called "dichromats". Now, a scientist in Newcastle, England has apparently discovered a woman who can see 99 ...

Tetrachromatic 'Super Vision' May Help Some Women See 100 Million Colors, Neuroscientists Say 'Super Vision' Really Exists In Some People, Research Suggests By Melissa Cronin ...

Of course, without the genes, we can never achieve full tetrachromatic vision – but perhaps people like Antico can point out some differences that are just perceptible to our eyes, with training.

People who have regular color vision have three cones, tuned to the wavelengths of red, green, and blue. These are connected to the X chromosome— most men have only one, but most women have two.

Some people with tetrachromatic vision can see into the UV band, perceiving a bright purple glow where others perceive nothing at all. This is the kind of tetrachromacy that can be an acquired trait.

Tetrachromatic gallery owner explores the otherworldly with new Alchemy Lounge ... Most people have three, allowing them to see 1 million to several million colors.

It is highly probable that people who have an additional 4th cone do not get tricked by blue/black or white ... But we don't know what allows someone to become functionally tetrachromatic, ...

Tech like these tetrachromatic glasses equips us to see more of the universe around us, as part of a sensory enhancement movement. In 2015, biohackers injected eyes with a chlorophyll analog to ...

People who can see 33 to 39 colours in this picture can see some invisible hues which can be missed by 99% of people, who ...