Fig. 1From: Efficacy of orbital radiotherapy in moderate-to-severe active graves’ orbitopathy including long-lasting disease: a retrospective analysisChanges in clinical activity score (CAS), proptosis, and visual acuity after radiotherapy. After orbital radiotherapy, CAS improved steadily, while proptosis and visual acuity improved for up to 3 months and then remained unchanged. **P < 0.01, *P < 0.05.Back to article page