Department of Ophthalmology, UT Southwestern Medical Center, Dallas, Texas, U.S.A.
Ophthalmic Plast Reconstr Surg. 2020 Nov/Dec;36(6):557-561. doi: 10.1097/IOP.0000000000001634.
To evaluate the change in lateral canthal angle (LCA), inferior ocular surface exposed (IOSE), lower eyelid curvature, and margin-to-reflex distance 2 in those undergoing lower eyelid ectropion repair using a lateral tarsal strip technique.
This is an Institutional Review Board-approved retrospective analysis of patients undergoing lower eyelid ectropion repair. This study included all patients from 2012 to 2018 operated on by a single surgeon at the University of Texas Southwestern Medical Center. For each patient, LCA, IOSE, and eyelid curvature were measured on preoperative and postoperative photographs using NIH Image J photographic analysis. These measurements were compared using paired 1-tail t-tests for LCA and IOSE and paired 2-tail t-tests for eyelid curvature. This study was Health Insurance Portability and Accountability Act-compliant with protection of individually identifiable information.
Fifty-one patients with lower eyelid ectropion underwent lower eyelid ectropion repair using a lateral tarsal strip technique. Forty-three of the patients underwent a bilateral lower eyelid ectropion repair. There was no statistically significant difference in the LCA. There was a reduction in IOSE among both cohorts. The fourth degree polynomial trendlines generated to assess eyelid curvature demonstrated statistical significance, suggesting a flattening of eyelid curvature. margin-to-reflex distance 2 also had a statistically significant decrease postoperatively.
Lower eyelid ectropion repair using a lateral tarsal strip approach causes a reduction in IOSE, a more gradual lower eyelid curvature, and a decrease in margin-to-reflex distance 2 without causing a statistically significant change in LCA.
评估使用外侧睑板条技术修复下眼睑外翻时，外侧眦角（LCA）、下眼球暴露（IOSE）、下眼睑曲率和 2 毫米边缘至反射距离的变化。
这是一项经机构审查委员会批准的回顾性分析，纳入了 2012 年至 2018 年期间在德克萨斯大学西南医学中心由同一位外科医生进行下眼睑外翻修复的患者。对于每位患者，使用 NIH Image J 摄影分析软件，在术前和术后照片上测量 LCA、IOSE 和眼睑曲率。使用配对的 1 尾 t 检验比较 LCA 和 IOSE 的测量值，使用配对的 2 尾 t 检验比较眼睑曲率的测量值。本研究符合健康保险流通与责任法案（Health Insurance Portability and Accountability Act）的规定，保护个人可识别信息。
51 例下眼睑外翻患者接受了外侧睑板条技术的下眼睑外翻修复。其中 43 例为双侧下眼睑外翻修复。LCA 无统计学显著差异。两组患者的 IOSE 均减少。生成的四阶多项式趋势线评估眼睑曲率有统计学意义，表明眼睑曲率变平。2 毫米边缘至反射距离术后也有统计学显著下降。
使用外侧睑板条方法修复下眼睑外翻会导致 IOSE 减少、下眼睑曲率更平缓、2 毫米边缘至反射距离减少，而不会导致 LCA 发生统计学显著变化。
