MedlinePlus Medical Encyclopedia: Coloboma of the iris

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Coloboma of the iris

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. Coloboma may be associated with hereditary conditions, trauma to the eye, or eye surgery.

Update Date: 11/13/2007

Updated by: Manju Subramanian, M.D., Assistant Professor in Ophthalmology, Vitreoretinal Disease and Surgery, Boston University Eye Associates, Boston, MA. Review provided by VeriMed Healthcare Network.

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