Low clinical activity score, 'progressive' thyroid eye disease: presentations of 1439 patients from a tertiary centre in Hong Kong.

Background: To report the presenting clinical, serological and treatment profiles of 1439 patients with thyroid eye disease (TED) from a tertiary centre in Hong Kong.

Study Populations: Consecutive patients with TED presented to the Thyroid Eye Clinic (TEC), the Chinese University of Hong Kong between 2014 and 2023.

Methods: Prospective cohort and masked review of medical records and orbital images.