All blue-eyed people have a single characteristic in common…

Have you ever wondered what all blue-eyed individuals have in common? Apart from

What about their gorgeous iris? It turns out that this unique eye color has an intriguing genetic background as well as some unexpected talents.

While brown eyes are the most frequent around the globe, blue eyes are the second most popular.

However, the origin of this uncommon characteristic is anything but average. In reality, research indicates that all individuals with blue eyes share a common ancestor who lived between 6,000 and 10,000 years ago.

That’s true; every single individual with those stunning azure orbs has a common genetic abnormality that has “turned off” the capacity to create brown pigment in the iris.

This antique switch features both advantages and cons.

One of the most well-known characteristics of blue eyes is heightened sensitivity to light.

Those with darker irises have more melanin to protect the sensitive tissues in the back of the eye, whereas blue-eyed people lack this natural protection.