Orbital infection: Bacterial Orbital Cellulitis -- Fungal Orbital Cellulitis -- Mycobacterial Orbital Cellulitis -- Viral Orbital Cellulitis -- Parasitic Orbital Cellulitis. Idiopathic Orbital -- Inflammation and IgG4 variant -- Sarcoidosis -- Wegener's Granulomatosis -- Churg-Strauss Syndrome -- Sjogren Syndrome -- Langerhans' cell histiocytosis -- Adult xanthogranulomatous Disorders -- Kimura Disease -- Inflammation associated with intraocular and orbital tumors -- Graves' Eye Disease -- Orbital lymphoproliferative disorder.                                  .