Definitions for "Coloboma"
A defect or malformation; esp., a fissure of the iris supposed to be a persistent embryonic cleft.
A defect of any tissue of the eye.
An apparent absence or defect of some ocular tissue, usually due to failure of a part of the fetal tissue to close; it may affect the choroid, ciliary body, eyelids, iris, lens, optic nerve, or retina.