Blue eyes stories

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 A timeless mystery, seen in 8-10% of the world’s population



Blue eyes: A 10,000-year-old ancestral legacy

“Having talent is like having blue eyes. You do not admire a man for the color of his eyes. You admire a man for what he does with his talent.”

                                                                                                   - Anthony Quinn


Blue eyes are admirable. About 10% of people in the world have blue or blue-shaded eyes. Did you know a genetic mutation created blue eyes? Unlike black and brown eyes, blue eyes have irises that scatter light, creating an illusion of azure hue.  

Fun Fact

16 genes, melanin pigment and the internal structure of your iris decide the color of your eyes.

What’s on the view list today?

  • Beginning of blue eyes

  • Exploring blue eyes

  • Blue eyes bytes

Beginning of Blue Eyes

10,000 years ago, a genetic mutation developed blue eyes. People near the Baltic Sea towards the north of Europe showed mutations in their eye colors. The colors of eyes were gray, green, amber or blue.


Scientists suggested that before the Neolithic period, the gene mutation happened. Humans were wanderers. They hunted and collected food for living. Consequently, the genes spread to different regions.

Exploring blue eyes

In 2008, researchers at Copenhagen University studied DNA from ancient people. They analyzed the chromosome and found that the genes OCA2 and HERC2 showed mutation. As a result, the melanin production in their irises was less, making the eyes look blue. 


Iris is the colored part of the eyes that works like a camera. It allows light to enter the eyes through the central round-shaped pupil. No blue or green pigments are present in human eyes. As the sky appears blue due to sunlight scattering, similarly Tyndall scattering causes the same effect for our eyes. 

Hans Eiberg, an associate professor from the Department of Cellular and Molecular Medicine says, “All blue-eyed individuals come from a common ancestor inheriting a switch in their DNA at the same spot.” 

Blue Eyes Bytes

Blue eyes are common in Estonia, Finland, Denmark, and the United States. Asian and African people have dark or brown eyes. Many babies have blue eyes during birth. As they grow, their irises produce more melanin, making their eyes dark shaded. 


  • In the US, 27 percent of people from the Northwest to the Midwest have blue eyes.

  • Estonia and Finland have 88 percent,

  • Iceland has 74 percent.

  • Denmark has 65 percent.

  • Blue eyed people should always wear glasses.


Over 100 million human eye cells react to light. What eye shade do you have?

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