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Updated: May 28, 2026

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Endoscopic Septoplasty with Limited Two-line Resection: Minimally Invasive Surgery for Septal Deviation
Published on: June 20, 2018
[Two-wall decompression without resection of the medial wall. Effect on squint angle]
1Augenklinik, Charité Campus Virchow-Klinikum, Berlin, Deutschland. eckart.bertelmann@charite.de
Summary
This study found that a modified 2-wall orbital decompression for thyroid eye disease did not worsen the squint angle or induce new diplopia. Preservation of the medial wall may explain these positive outcomes in exophthalmos patients.
Area of Science:
- Ophthalmology
- Endocrinology
- Surgical Research
Context:
- Thyroid eye disease (TED) can cause exophthalmos, necessitating orbital decompression.
- Postoperative diplopia is a potential complication of orbital decompression surgery.
- The choice of decompression walls impacts postoperative strabismus (squint).
Purpose:
- To evaluate the effect of a modified 2-wall orbital decompression (lateral wall and floor) on the postoperative squint angle and diplopia in patients with thyroid eye disease.
- To assess the safety and efficacy of this specific decompression technique.
Summary:
- A retrospective analysis of 36 modified 2-wall decompressions in 24 TED patients was conducted.
- Preoperative and postoperative squint angles, motility, diplopia, exophthalmos reduction, and complications were evaluated.
- The modified 2-wall decompression did not adversely affect the postoperative squint angle, and no new diplopia was induced. Mean exophthalmos reduction was 4.3 mm.
Impact:
- This modified 2-wall decompression strategy appears safe regarding postoperative strabismus and diplopia in TED patients.
- Preservation of the medial wall may be a key factor in preventing adverse effects on the squint angle.
- Findings suggest this technique is a viable option for managing exophthalmos in thyroid eye disease.
