Freitag SK, et al. - In patients with progression of thyroid eye disease–compressive optic neuropathy (TED-CON), researchers created a novel nomenclature to describe the longitudinal sequence of visual field (VF) defects. A retrospective review of data from 1 institution reported patients with progressive Humphrey VF defects secondary to TED-CON. According to results, for 234 VFs in 37 eyes for 23 patients, the most common inferior defects were stage 1a (small inferior paracentral defect) in 22 of 234 VFs (9.4%), stage 1b (large inferior paracentral defect) in 112 of 234 VFs (47.9%), and stage 1c (inferior altitudinal defect) in 11 of 234 VFs (4.7%). Findings suggested that TED-CON-derived Humphrey VF defects are most often inferior, often have a predictable pattern of progression, and can be categorized into a novel descriptive nomenclature system.