Hazel and amber eyes, which are also uncommon (about 5 to 10% of the world's population), complete this fascinating color ...

Complete heterochromia: Each eye has a completely different color. Imagine a green eye and a hazel eye, or a blue eye and an amber eye. This striking contrast is very rare in humans, but more common ...

an exceedingly rare eye condition that severely impacts vision and the physical appearance of the pupil. In the case of her son, Porter, the pupil of his left eye is shaped like a keyhole, spilling ...