Microphthalmia is one of the most common congenital ocular malformations, characterized by a small yet identifiable eye and its elements. This contrasts with anophthalmia, which is defined as the complete absence of the eye due to deficient development or arrest of differentiation during earlier stages of development. Congenital microphthalmia with cyst is a rare developmental sub-type of microphthalmia and must always be differentiated from a congenital cystic eye, also known as anophthalmia with cyst. Microphthalmia with cyst is a debilitating congenital anomaly whose management must be initiated as soon as possible for satisfactory outcomes.
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