“…Colobomatous cysts have a wide variety of possible etiologies, including deep dermoids, teratomas, mucoceles, meningoceles, primary optic nerve sheath cysts, and congenital cystic eye. CT scans of dermoids should reveal a fatty core, but we observed that this was the case in only 41% of cases [8]. In contrast to our situation, deep dermoids often cluster higher up in the orbit, not lower down.…”