My kids are 9 and 12 and I'm watching their blue eyes slowly change color. They both have a yellow-ish ring in the very center that's slowly expanding out. It m

My kids are 9 and 12 and I'm watching their blue eyes slowly change color. They both have a yellow-ish ring in the very center that's slowly expanding out. It makes for a very striking set of eye colors. I was always told that your eye color is stable after the first few years of life, but that's obviously not correct.