Brown eyes are the most common eye color, and it's due to a number of factors, including geographical location, biology, and the amount of melanin. Yes, even people with blue eyes.

Green is also the rarest eye color in America. A 2014 survey by the Academy found that 45 percent of Americans had brown eyes, 27 percent had blue eyes, 18 percent had hazel eyes and nine percent ...

Brown eyes were nature's built-in sunglasses, filtering out UV rays and reducing glare long before Ray Bans existed.' Today, over 70 per cent of the global population has brown eyes ...