The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyes
Abstract Purpose To evaluate the influence of corneal ablation patterns on the prediction error after cataract surgery in post-myopic-LASIK eyes. Methods Eighty-three post-myopic-LASIK eyes of 83 patients that underwent uneventful cataract surgery were retrospectively included. Predicted postoperati...
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| Format: | Article |
| Language: | English |
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BMC
2022-07-01
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| Series: | Eye and Vision |
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| Online Access: | https://doi.org/10.1186/s40662-022-00295-1 |
| _version_ | 1818488432206282752 |
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| author | Yunqian Yao Jing Zhao Jifeng Yu Wenwen He Ling Wei Xingtao Zhou Yi Lu Xiangjia Zhu |
| author_facet | Yunqian Yao Jing Zhao Jifeng Yu Wenwen He Ling Wei Xingtao Zhou Yi Lu Xiangjia Zhu |
| author_sort | Yunqian Yao |
| collection | DOAJ |
| description | Abstract Purpose To evaluate the influence of corneal ablation patterns on the prediction error after cataract surgery in post-myopic-LASIK eyes. Methods Eighty-three post-myopic-LASIK eyes of 83 patients that underwent uneventful cataract surgery were retrospectively included. Predicted postoperative spherical equivalence (SE) was calculated for the implanted lens using the Haigis-L and Barrett True-K formula. Prediction error at one month postsurgery was calculated as actual SE minus predicted SE. For each eye, area and decentration of the ablation zone was measured using the tangential curvature map. The associations between prediction errors and corneal ablation patterns were investigated. Results The mean prediction error was − 0.83 ± 1.00 D with the Haigis-L formula and − 1.00 ± 0.99 D with the Barrett True-K formula. Prediction error was positively correlated with keratometry (K) value and negatively correlated with ablation zone area using either formula, and negatively correlated with decentration of the ablation zone using the Barrett True-K formula (all P < 0.05). In the K < 37.08 D group, prediction error was negatively correlated with decentration of the ablation zone with both formulas (all P < 0.05). Multivariate analysis showed that with the Haigis-L formula, prediction error was associated with axial length (AL), K value and decentration, and with the Barrett True-K formula, prediction error was associated with AL and decentration (all P < 0.05). Conclusion A flatter cornea, larger corneal ablation zone and greater decentration will lead to more myopic prediction error after cataract surgery in post-myopic-LASIK eyes. |
| first_indexed | 2024-12-10T16:50:54Z |
| format | Article |
| id | doaj.art-f7d6613e34eb4648ab8c7769bad19baf |
| institution | Directory Open Access Journal |
| issn | 2326-0254 |
| language | English |
| last_indexed | 2024-12-10T16:50:54Z |
| publishDate | 2022-07-01 |
| publisher | BMC |
| record_format | Article |
| series | Eye and Vision |
| spelling | doaj.art-f7d6613e34eb4648ab8c7769bad19baf2022-12-22T01:40:54ZengBMCEye and Vision2326-02542022-07-01911910.1186/s40662-022-00295-1The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyesYunqian Yao0Jing Zhao1Jifeng Yu2Wenwen He3Ling Wei4Xingtao Zhou5Yi Lu6Xiangjia Zhu7Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan UniversityEye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan UniversityDepartment of Ophthalmology, Beijing Children’s Hospital, National Center for Children’s Health, Capital Medical UniversityEye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan UniversityEye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan UniversityEye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan UniversityEye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan UniversityEye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan UniversityAbstract Purpose To evaluate the influence of corneal ablation patterns on the prediction error after cataract surgery in post-myopic-LASIK eyes. Methods Eighty-three post-myopic-LASIK eyes of 83 patients that underwent uneventful cataract surgery were retrospectively included. Predicted postoperative spherical equivalence (SE) was calculated for the implanted lens using the Haigis-L and Barrett True-K formula. Prediction error at one month postsurgery was calculated as actual SE minus predicted SE. For each eye, area and decentration of the ablation zone was measured using the tangential curvature map. The associations between prediction errors and corneal ablation patterns were investigated. Results The mean prediction error was − 0.83 ± 1.00 D with the Haigis-L formula and − 1.00 ± 0.99 D with the Barrett True-K formula. Prediction error was positively correlated with keratometry (K) value and negatively correlated with ablation zone area using either formula, and negatively correlated with decentration of the ablation zone using the Barrett True-K formula (all P < 0.05). In the K < 37.08 D group, prediction error was negatively correlated with decentration of the ablation zone with both formulas (all P < 0.05). Multivariate analysis showed that with the Haigis-L formula, prediction error was associated with axial length (AL), K value and decentration, and with the Barrett True-K formula, prediction error was associated with AL and decentration (all P < 0.05). Conclusion A flatter cornea, larger corneal ablation zone and greater decentration will lead to more myopic prediction error after cataract surgery in post-myopic-LASIK eyes.https://doi.org/10.1186/s40662-022-00295-1Cataract surgeryLaser in situ keratomileusisIntraocular lens powerKeratometryAblation zone decentrationAblation zone size |
| spellingShingle | Yunqian Yao Jing Zhao Jifeng Yu Wenwen He Ling Wei Xingtao Zhou Yi Lu Xiangjia Zhu The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyes Eye and Vision Cataract surgery Laser in situ keratomileusis Intraocular lens power Keratometry Ablation zone decentration Ablation zone size |
| title | The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyes |
| title_full | The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyes |
| title_fullStr | The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyes |
| title_full_unstemmed | The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyes |
| title_short | The influence of corneal ablation patterns on prediction error after cataract surgery in post-myopic-LASIK eyes |
| title_sort | influence of corneal ablation patterns on prediction error after cataract surgery in post myopic lasik eyes |
| topic | Cataract surgery Laser in situ keratomileusis Intraocular lens power Keratometry Ablation zone decentration Ablation zone size |
| url | https://doi.org/10.1186/s40662-022-00295-1 |
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