Figure 3: (a) A 49-year-old female who failed intravenous and oral corticosteroids with bilateral optic neuropathy and CAS 9 in the right eye and 10 in the left eye. (b) Computed tomography of her orbits showed enlarged extraocular muscles and orbital apex crowding. (c) 12 weeks after bilateral orbital decompression with resolution of optic neuropathy and CAS 2 in both eyes.