Barbara Marquand is a staff writer at NerdWallet, a personal finance website. Email: bmarquand@nerdwallet.com. Twitter: @barbaramarquand.
The eye may change color due to alteration of genes in the cells of the iris. This is because of your DNA factors in the body. The gene alteration can cause the eye to change color from brown to green and vise verse. There is no any explanation to the cause of the genes behaving in these manner. Prolonged exposure to the sun might also be another cause that made my eyes to change the color.
If radiation from an x-ray was to come into contact with the eye of a person who has suffered damage to the iris or a discoloration of the iris in the past ,could the radiation some how cause more damage to the iris and cause more color change by turning the color darker or lighter ,basically can x-ray radiation contribute to iris color change or ...