Blue eyes are fascinating and have captured the attention of many throughout history. Here are some interesting trivia facts about blue eyes:

Genetic Mutation: Blue eyes are the result of a genetic mutation that occurred around 6,000 to 10,000 years ago. Before that, all humans had brown eyes.

Rarest Eye Color: Blue eyes are the rarest natural eye color. Only about 8% of the world's population has blue eyes.

Inherited Trait: The inheritance of blue eyes is a recessive trait, which means both parents must carry the gene for blue eyes to have a blue-eyed child.

Lack of Pigmentation: The blue color in eyes is a result of the lack of melanin in the iris. The darker the eyes, the more melanin they contain.

"Blue-eyed" Ancestor: Scientists believe that all people with blue eyes today can trace their ancestry back to one individual who lived around 6,000 to 10,000 years ago.

Eye Color Changes: Babies are often born with blue eyes, and their eye color can change during the first year as melanin production increases. This is why some babies' eye color changes to brown or other colors over time.

Geographic Distribution: Blue eyes are more commonly found in people of European descent, especially those from Northern Europe.

Uniqueness: Every individual's blue eyes are unique due to the pattern of the iris and the arrangement of collagen fibers.

Connection to Light Sensitivity: People with blue eyes may be more sensitive to light due to the lower levels of melanin in their irises. This can make them more prone to discomfort in bright environments.

Blue Eyes and Personality: Some studies have suggested a link between blue eyes and specific personality traits. For example, people with blue eyes are thought to be perceived as more attractive, confident, and independent, though these correlations are not scientifically conclusive.

Remember that these trivia facts are based on scientific research and genetic studies up to my knowledge cutoff in September 2021. There may have been further developments or discoveries related to blue eyes since then.