https://medlineplus.gov/ency/imagepages/8750.htm
A coloboma is a defect in the iris of the eye. It can appear as a black notch of varying depth at the edge of the pupil, giving the pupil an irregular shape....
the irismedical encyclopediacolobomamedlineplusimage
https://preventblindness.org/coloboma/
Dec 2, 2024 - Learn about coloboma eye disease, including coloboma of the iris and optic nerve. Find information on symptoms, causes, and treatment options.
eye diseasethe irisoptic nervecolobomaamp