https://en.wikipedia.org/wiki/Evil_eye

Cultures often believing that receiving the evil eye will cause misfortune or injury
While others believe it to be a kind of supernatural force that casts or reflects a malevolent gaze back upon those who wish harm upon others (especially innocents).

More than 5,000 years ago, the Sumerian culture emerged on a floodplain along the Tigris and Euphrates rivers in Mesopotamian,
A region today known as southern Iraq.
The word Mesopotamia comes from Greek words meaning
"land between the rivers."

Forensic archaeologists studied several Sumerian burial grounds that contained skeletons.
Sumerians were short and solid.
They had thin lips, straight thin noses, and eyes that sloped downward.
Archaeologists suggest that Sumerians were dark-skinned, dark-eyed, and dark-haired.
Sumerians also referred to themselves as “the dark-haired people.”

It is possible that some Sumerians did have blue eyes,
But
If that was the case it is unlikely it was many people.

Blue eyes were by no means common among Sumerians.
Like many other ancient civilizations, the Sumerians considered blue eyes to be a sign of gods.

The ancient Sumerian statues with big blue eyes have symbolic meaning.
Each of these statues is different.
The faces and clothing are not alike.
This means the statues were not created to represent one important individual but many different persons.

Even as far away as Peru South America, these non native appearing statues with blue eyes have been dug up from long ago under the ground such as the Lady Of The Mask Wari Mummy