The color of your eyes depends on how much of the pigment melanin you have in your iris—the colored part of your eyes. The more pigment you have, the darker your eyes will be. Blue, grey, and green eyes are lighter because they have less melanin in the iris.
Most people in the world will end up with brown eyes. The next most common colors are blue and grey, and green is the rarest color.
Besides giving our eyes color, melanin helps protect them from the sun. Light eyes are much more sensitive to the sun's harmful rays than darker eyes because they have less pigment.
No matter your eye color, it’s important to always protect your eyes when outdoors whether you need prescription or not. Make sure you’re well equipped with a pair of sunglasses to reflect the sun’s harmful rays. Eyeconic, the VSP online eyewear store, offers a wide selection of designer frames that can also be built with your prescription.
Newborn babies don't have melanin in their eyes, so they begin life with blue or almost colorless eyes. The melanin gradually increases, and by about three years of age, their eyes will have darkened to their true color.
Disease, trauma, and aging can lead to changes in eye color. In fact, our eyes begin changing from the moment we're born.
Superstitions about Eye Color
On a side note, it's interesting that eye color has been the source of superstition through the years. The mystically-inclined believe the eyes are the windows to the soul and eye color shows a person's talents. Some personality traits attributed to eye color are: