![]() Also, colobomas may be a sign of more serious systemic abnormalities or syndromes, especially if both eyes are affected.įor further detail, check out this article from the AAPOS website. Final NotesĪ child with an iris coloboma needs to have a complete eye exam to rule out other more serious eye abnormalities. Fundus colobomas also need to be watched carefully over time by your pediatric ophthalmologist to observe for any sign of retinal detachment, one possible complication of the coloboma. But larger colobomas or ones that involve the central retina or optic nerves may cause severe visual impairment. Many retinal colobomas are at the bottom of the eye and do not affect vision. Fundus Colobomasįundus colobomas are defects that occur on the inside of the eye and affect the retina or optic nerve. A complete eye examination by a pediatric ophthalmologist is needed. However, an iris coloboma may be associated with other eye issues that can affect vision. You can have colobomas of other eye structures that may have a major effect on vision, such as retinal or optic nerve colobomas. Interestingly, an iris coloboma often does not hurt vision. Iris ColobomasĪn iris coloboma will have the appearance of a "key-hole" pupil with a notch at the lower edge. An eyelid coloboma can usually be repaired by your pediatric ophthalmologist or an oculoplastic surgeon. The eyelid defects can cause damage to the surface of the eye because of exposure and dryness. Eyelid ColobomasĪ coloboma of the eyelid appears as a vertical notch or missing portion of the center of an eyelid. Therefore, an infant with a coloboma should be carefully evaluated by their pediatrician for other congenital anomalies. ![]() Sometimes they are associated with other congenital anomalies, such as CHARGE syndrome or Goldenhar syndrome. Colobomas can occur either spontaneously or be inherited. The severity of the defects and their impact on visual functioning depend on which structures of the eye are affected and to what extent. Disrupting this closure process can cause missing eye or eyelid tissue. During development, the eyes begin as a cup-shaped structure that than zips closed along the bottom. How do People Get Colomobas?Ĭolobomas are congenital defects of either the eye or the eyelids. A coloboma is a congenital abnormality of the eye that occurs because one or more parts of the eye do not close correctly during development. Have you ever seen a key-hole shaped pupil? This is called an iris coloboma. Anisocoria / Different Size Pupils (Adult).It occurs due to failure of closure of embryonic fissure. Eye Misalignment / Strabismus in Adults Iris coloboma is a full-thickness defect of iris involving both the stroma and pigment epithelium.
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