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coloboma.jpg | Bilateral Iris Colobomas | Coloboma literally means a "gap"-and can be used to describe any fissure, hole, or gap in the eye. The term most often is used to refer to a congenital gap in the disc, retina, the choroid, and the iris. Colobomas occur because the embryonic fissure fails to fuse. Since the fissure closure begins in... | Congenital Pupillary Abnormalities; Pupil; Etiology, Pupil Disorders; Pathology, Pupil Disorders; Correctopia |
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Figure-19B | Bilateral Iris Colobomas (B) | Bilateral iris colobomas. B. Bilateral colobomatous defects of the inferonasal retina (black arrows) are also present, as shown in the right eye. | Congenital Pupillary Abnormalities; Pupil; Etiology, Pupil Disorders; Pathology, Pupil Disorders |