ORBITAL DECOMPRESSION P. R. R. CLARKE (Middlesbrough) discussed a series of 20 patients with endocrine exophthalmos treated by lateral orbital decompression. There had been 14 bilateral decompressions, and in six patients a unilateral operation only had been performed. One patient had needed reoperation. Four patients had no thyroid abnormality, and two had untreated hyperthyroidism. In 14 pati...