Unspecified papilledema [H47.10], Reason for Study: ^Reason: increased IOP History: optic disc swelling. The globes, optic nerves, extraocular muscles and retroglobal spaces are symmetric and normal. The lacrimal glands are normal. There is no evidence of signal abnormality, mass, or abnormal contrast enhancement.  The ventricles, sulci and cisterns are symmetric and unremarkable. The gray-white matter differentiation is normal. There is no mass, mass effect, edema, midline shift, intra- or extra-axial fluid collection, hemorrhage, restricted diffusion/acute ischemia or abnormal contrast enhancement. The midline structures and cranial-cervical junction are normal. Normal flow voids are identified in the major intracranial vessels. The mastoid air cells are clear.There is a retention cyst on the right maxillary sinus.
1. Normal brain MRI.2. Normal orbit MRI.