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KMID : 0358819790060020225
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Journal of Korean Society of Plastic and Reconstructive Surgeons
1979 Volume.6 No. 2 p.225 ~ p.230
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Congenital Lid Coloboma
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Park Hyo-Cheon
Lee Se-Il
Park Heung-Gil
Kim Dae-Ha
Oh Suck-Joon
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Abstract
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Coloboma, or a congenital notch in the lid margin of eyelid, is a triangular gap with rolled edges which is without lashes or glands.
It is usually unilateral and the most common site is at the junction of the inner and middle thirds of the upper lid.
Associated congenital anomalies of the eye, lid and face esp. benign dermoid are common. Exposure keratopathy usually becomes a problem when approximately 30% or more of the lid is absent. With larger upper lid colobomas the cornea may become inadvertently traumatized and ulceration with scarring is not uncommon in these cases where exposure keratopathy develops.
The optimal time for surgery is when general anesthesia is no longer a serious risk. There are many methods to treat eyelid defect. Reconstruction of an eyelid or even part of it requires a minimum of three elements; an outer layer of skin; an inner layer of mucosa; and a semi-rigid skeleton interposed between them. The upper lid is the most difficult to reconstruct as it must be movable. Authors report two cases of coloboma.
One is situated on the inner half of the upper lid and the other on bilateral upper eyelids. The patients were treated by Abbe full thickness flap of lower eyelid with good result.
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