You might want to try searching for info on an ellipse pupil.
The book is by Dr. Donald R. Bamer and can be purchased at Amazon. It's just the basics and it does give some treatment considerations. If you don't mind forking over your dough, try "Iridology: The Science and Practice in the Healing Arts" Vol 1 and/or 2, by Bernard Jensen . I'm not an iridologist, just someone who enjoys the practice. Sure would be nice to have a real iridologist on this board though.
At least we know that her eyes are probably showing nervous dysfunction. It sounds like an extreme case. I wonder if she lacks in B vitamins? I'm also a big fan of nutritionally pH balancing as a cure for everything.