Why do eye colors change?

I know people whose eye color can change over time. (like from blue to green or vice versa or any combination of eye colors) I was wondering what is natural phenomena is called and is there is scientific reason for it? I know this girl, the outer rim...

I have heard that this phenomenon happens in 10 to 15 percent of the Caucasian population. However, this also happens on me, an East Asian. Observed by my family and friends, my eye color has changed from honey to dark brown(nearly black) since 2009.

ok i have a picture. but i want to change my eye color. how do i change my eye color. what website can change the color of my eye?

How do you try to change eye color in a easy way but download easy ? and change eye color in a easy way not so hard i want to learn how to change i color very easy

I'm tired of people telling me that their eyes change color within an amount of minutes or even seconds because of the way they feel or by the clothing they wear. I know it isn't true but I can't explain why. What are reasons that your eye color cannot...

Cat's coat was mostly solid light brown color with some darker spots of brown and some faint stripes on the side of the torso and two stripes on each side of the face. Eye color was green/yellow now blueish green.

I know that it's said that eye colors vary based on clothing, makeup, lighting, ect...but my eyes have changed quite a bit over the past few years, and I was just wondering if ...show more