Mean stage (NOSPECS classification) at time of surgery was 4.5 (range 2-6). Mean stage postoperatively was 2.4 (range 0-5). Comparison of the mean stages showed significant improvement of ocular protrusion: 1.55 (range 1-2) postoperatively versus 2.4 preoperatively. Among the patients with optic neuropathy (stage 6, n=12), 83% (10/12) normalized PEV with normal or clear improvement in visual acuity three months postop. Diplopy remained unchanged in 45% (5/11) and improved in 45% (5/11), worsening in one patient. Clinical regression of the exophthalmia, irrespective of the intensity initially, was noted in 93% of patients at six months postop. All patient had overall improvement in the position of the eyelids at rest..