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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Lee, Chia-Yi Shen, Jen-Hsiang Chao, Chen-Cheng Lian, Ie-Bin Huang, Jing-Yang Yang, Shun-Fa Chang, Chao-Kai |
| Abstract | Background To evaluate the possible topographic and surgical risk factors for high postoperative residual astigmatism in patients who undergo small-incision lenticule extraction (SMILE) surgery and have different myopia degrees. Methods A retrospective cohort study was conducted, and patients who underwent SMILE surgery were enrolled. A total of 80 and 150 eyes from 40 to 75 individuals, respectively, were selected as the low myopia and high myopia groups. The demographic data, visual acuity, refraction, topographic parameters and surgical settings were recorded. Multiple linear regression with interaction tests were performed to survey the risk factors for high postoperative residual astigmatism in each group. Results Five (6.25%) and 9 (6.00%) eyes presented with high postoperative residual astigmatism in the low myopia and high myopia groups, respectively, but these differences were not significant (P = 0.569). A steep corneal curvature was correlated with a greater risk of high postoperative residual astigmatism in the low myopia group (P = 0.015), while a higher degree of cycloplegic cylinder power, steeper corneal curvature, greater topographic cylinder power, smaller optic zone and longer incision length were associated with a high rate of postoperative residual astigmatism in the high myopia group (all P < 0.05). In addition, the interaction effects of cycloplegic and topographic cylinder power and longer incision length on the incidence of high postoperative residual astigmatism development were more evident in the high myopia group than in the low myopia group (all P < 0.05). Conclusions A steep corneal curvature correlates with a high risk of high postoperative residual astigmatism after SMILE surgery, and a higher degree of cycloplegic and topographic cylinder and longer incision are associated with high postoperative residual astigmatism in individuals with high myopia. |
| Related Links | https://bmcophthalmol.biomedcentral.com/counter/pdf/10.1186/s12886-024-03296-x.pdf |
| Ending Page | 9 |
| Page Count | 9 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14712415 |
| DOI | 10.1186/s12886-024-03296-x |
| Journal | BMC Ophthalmology |
| Issue Number | 1 |
| Volume Number | 24 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-01-29 |
| Access Restriction | Open |
| Subject Keyword | Ophthalmology Small incision lenticule extraction Astigmatism Corneal curvature Topography Myopia |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ophthalmology |
| Journal Impact Factor | 1.7/2023 |
| 5-Year Journal Impact Factor | 2/2023 |
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