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Eyelid Defects

Nitin S Lingayat, Geeta Karambelkar, Bratati Samantray

Keywords : coloboma, eyelid

Question:
A 9 months old male baby, born of non-consanguineous marriage presented with inability to close both eyes and defect in both upper eyelid since birth. Baby was developmentally normal with weight 8.2 kg and length 71 cm. On examination of the eyes there was a large defect on medial side of upper eyelid measuring 0.5 cm x 0.5 cm in both eyelids. The eyelashes were absent along the margins of the defect. Sclera, cornea, and conjunctiva were normal. Vision of both eyes was age appropriate. There was no defect in the iris. There were no signs of exposure keratitis, and the cornea was completely covered on closure of eyelids. There was no dysmorphism or other obvious congenital anomaly.
What is the diagnosis?