Abstract
Purpose
To report the etiopathogenesis and clinical features of blepharoptosis in patients with thyroid eye disease.
Methods
A 10-year retrospective interventional study. The etiopathogenesis, laterality, clinical features, and management of Blepharoptosis in thyroid eye disease (TED) were assessed.
Results
A total of 1000 patients of TED were evaluated in the 10-year period, of which 55 (5.5%) presented with Blepharoptosis. The average age at presentation was 44.8 years, and 31 (56.4%) were males. Of the 41 cases where referral diagnosis was available, TED was suspected in only 2 cases. Of the 55, 25 patients were inactive (TED duration ≥ 12 months), and 29 were silent presenters (TED duration ≤ 12 months, but clinical activity score ≤ 3). Ptosis was the primary presenting symptom in 14 cases. Ptosis was aponeurotic in 38 cases, myasthenic in 13 cases, congenital in 2 cases, and indeterminate in 2 cases. Orbital imaging was available in 26 cases, of which fat disease was noted in 14 cases. Average amount of ptosis was 2.21 mm (range 1-6 mm). Lower eyelid retraction (average 2.1 mm) was noted in 49 patients. Surgical management was performed in 10 patients, of which 4 underwent a unique combined surgery (orbital decompression with levator reattachment/resection).
Conclusions
In patients with TED, blepharoptosis constitutes 5.5% at presentation to a tertiary eye care centre. Blepharoptosis masks upper eyelid retraction as a clinical sign of TED. Commonest cause was acquired aponeurotic ptosis. A combined levator surgery is possible with orbital decompression in such cases.
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Vasanthapuram, V.H., Naik, M.N. Blepharoptosis in thyroid eye disease: etiopathogenesis, clinical features and correlation with thyroid eye disease. Int Ophthalmol 42, 13–18 (2022). https://doi.org/10.1007/s10792-021-01992-x
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DOI: https://doi.org/10.1007/s10792-021-01992-x