ophthalmology endocrinology
Hertel Exophthalmometry — Proptosis Assessment
Hertel readings measure axial globe position (lateral orbital rim → corneal apex). Caucasian adult normal 12–22 mm; ≥2 mm asymmetry is significant. Higher in African and Asian populations. Used in thyroid eye disease, orbital tumour, cellulitis, and post-trauma evaluation.
References
Related
Curated clinical cross-links plus same-class fallbacks.
Pathways
- Acute Red Eye / Vision Loss Screen · RCOphth 2020; NICE CKS
- Idiopathic Intracranial Hypertension · ABN; consensus 2018
- Acute Red Eye Assessment · RCOphth / AAO
- Acute Angle Closure Glaucoma · RCOphth / EGS Guidelines
- Retinal Detachment · RCOphth Guidelines / EURETINA
- Diabetic Retinopathy — Screening and Management · NICE NG28 2016 / NHS DES Programme
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.