Demon posession.
I have trouble looking at some photos like this because I am sensitive to it.
God help her.
could have a thyroid problem
It's not just the eyes. There are tells in body movement. Sadly, once you can discern, you see how widespread it is. But like anyone sighted, there is a bright side, as you can often discern angels. Although they are more subtle. Even the sighted entertain them unaware sometimes.