Orbital meningocele is a rare congenital anomaly with cystic herniation of meninges caused by a bony defect of the cranio-orbital bone.

摘要眼窝脑膜膨出是种罕见的先常，其成因为头颅或眼窝骨的缺损使得脑脑从缺损处呈状的膨出。