Figure 3: 38-year-old female patient with significant exophthalmos and retrobulbar pressure sensation, no visual impairment. (a) Preoperatively: exophthalmos and lid retraction. (b) Postoperatively after lateral wall decompression: exophthalmos improved 5.0 mm on the right side and 4.0 mm on the left side. Additional lid surgery is needed (upper lid lengthening procedure). (c) Postoperatively: CT scan after lateral wall decompression of the right orbit (arrow: missing lateral orbital wall), coronal scan, and 3D reconstruction.