Table 1. Clinical activity score criteria. Active disease is accepted as the presence of 3 or more of the first 7 criteria for patients not examined within the previous 3 months, or 4 or more of the 10 criteria for patients examined within the previous 3 months (Mourits MP, Koornneef L, Wiersinga WM, Prummel MF, Berghout A, van der Gaag R. Clinical criteria for the assessment of disease activity in Graves’ ophthalmopathy: a novel approach. Br J Ophthalmol. 1989;73:639-644.).