These are dolls I have made for girls who have Iris Colobomas. A coloboma is a hole in one of the structures of the eye, such as the iris, retina, choroid or optic disc. Coloboma of the iris can look like a second pupil or a black notch at the edge of the pupil. This gives the pupil an irregular shape. It can also appear as a split in the iris from the pupil to the edge of the iris.