and peripapillary staphyloma. Optic nerve hypoplasia manifests as a small optic nerve, which may or may not be accompanied by a peripapillary ring (the double ring sign). In addition, the optic ...

Developmental anomalies of the optic nerve are an important and growing ... anomalous discs, peripapillary staphyloma, Coats’ disease, pseudopapilloedema, osseous choristoma of the choroids ...