Can heat burn and change eye color?

Answer 1

Of course that heat can burn the eye. And if you apply heat enough your eye will turn black. And so will do everything around you.

Answer 2

Likely: probably occurs continuously to discreet degrees. [some unclarity in question, taken as "can heat cause a permanent change in the color reflected from one's iris."]

The pigment (color chemical) of eyes is melanin, which is also found in skin and hair. The different types of melanin vary from each other in shape and composition less than any of them vary from other chemicals. Radiation (heat energy as light) as well has contact heat makes particles shake violently, and sometimes that is enough to rearrange especially the complex organic particles. We see this same mechanism in the skin and hair of people who spend much time in the sun.

When one speaks of burning, they are referring to oxidation reactions which lyse or break apart organic molecules into simpler molecules, carbon dioxide, and water. Burning is not likely what you meant, but in such a case, one could bet their toast we would observe change in eye color.

Answer 3

I guess heat can turn the eye color to black and crispy.

Answer 4

No it can not. The iris is positioned properly contained in the interest and properly secure via the cornea. people's irises fade with age. There are different situations that reason a change in iris color, in case you hassle get it checked.