D2I2.
congenital

Anophthalmia

Anophthalmia is the medical term for the absence of one or both eyes. Both the globe and the are missing from the orbit. The absence of the eye will cause a small bony orbit, a constricted socket, short eyelids, reduced palpebral fissure and malar prominence. , abnormalities, and environment can all cause anophthalmia. Anophthalmia is an extremely rare disease and is mostly rooted in genetic abnormalities. It can also be associated with other .

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Plain-language summary adapted from Wikipedia. Not medical advice.