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Choi, Seung Woo; Lee, Jae Yeun; Lew, Helen (2016)
Publisher: The Korean Ophthalmological Society
Journal: Korean Journal of Ophthalmology : KJO
Languages: English
Types: Article
Subjects: Original Article, Diplopia, Eyelid retraction, Orbital decompression, Graves ophthalmopathy, Exophthalmos

Classified by OpenAIRE into

mesheuropmc: eye diseases, genetic structures, sense organs
Purpose To evaluate the efficacy and safety of customized orbital decompression surgery combined with eyelid surgery or strabismus surgery for mild to moderate thyroid-associated ophthalmopathy (TAO). Methods Twenty-seven consecutive subjects who were treated surgically for proptosis with disfigurement or diplopia after medical therapy from September 2009 to July 2012 were included in the analysis. Customized orbital decompression surgery with correction of eyelid retraction and extraocular movement disorders was simultaneously performed. The patients had a minimum preoperative period of 3 months of stable range of ocular motility and eyelid position. All patients had inactive TAO and were euthyroid at the time of operation. Preoperative and postoperative examinations, including vision, margin reflex distance, Hertel exophthalmometry, ocular motility, visual fields, Goldmann perimetry, and subject assessment of the procedure, were performed in all patients. Data were analyzed using paired t-test (PASW Statistics ver. 18.0). Results Forty-nine decompressions were performed on 27 subjects (16 females, 11 males; mean age, 36.6 ? 11.6 years). Twenty-two patients underwent bilateral operations; five required only unilateral orbital decompression. An average proptosis of 15.6 ? 2.2 mm (p = 0.00) was achieved, with a mean preoperative Hertel measurement of 17.6 ? 2.2 mm. Ocular motility was corrected through recession of the extraocular muscle in three cases, and no new-onset diplopia or aggravated diplopia was noted. The binocular single vision field increased in all patients. Eyelid retraction correction surgery was simultaneously performed in the same surgical session in 10 of 49 cases, and strabismus and eyelid retraction surgery were performed in the same surgical session in two cases. Margin reflex distance decreased from a preoperative average of 4.3 ? 0.8 to 3.8 ? 0.5 mm postoperatively. Conclusions The customized orbital decompression procedure decreased proptosis and improved diplopia, in a range comparable to those achieved through more stepwise techniques, and had favorable cosmetic results when combined with eyelid surgery or strabismus surgery for mild to moderate TAO.

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