So many people wonder what’s wrong with Skaya’s eyes. Is she possessed? Is she half-demon? Is she blind? In this video, we’ll discuss the truth behind her eyes: heterochromia. Skaya has a condition called heterochromia iridis. Her form of heterochromia is congenital (although sometimes, heterochromia can be acquired through trauma to the eye or disease). Eye colour is determined by the amount of melanin present in the iris; dark eyes have larger amounts of melanin, and paler eyes have less. Hete