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Efficacy of image-guided accurate limbal relaxing incisions for astigmatism correction during cataract surgery

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Title: Efficacy of image-guided accurate limbal relaxing incisions for astigmatism correction during cataract surgery
Authors: Hu, Xiaoxin, Qi, Jiao, Cheng, Kaiwen, He, Wenwen, Du, Yu, Zhang, Keke, Lu, Yi, Zhu, Xiangjia
Source: Adv Ophthalmol Pract Res
Publisher Information: Elsevier BV, 2025.
Publication Year: 2025
Subject Terms: Full Length Article
Description: PURPOSE: To investigate the efficacy of image-guided accurate limbal relaxing incisions (LRIs) for astigmatism correction during cataract surgery. METHODS: Consecutive cataract patients with regular corneal astigmatism ranging from 0.75 to 2.50 D, intended for cataract surgery with image-guided LRIs, were recruited in this prospective cohort study. The efficacy of astigmatism correction was evaluated 3 months after surgery, and compared among eyes with preoperative corneal with-the-rule (WTR), against-the-rule (ATR) and oblique astigmatism. Higher-order aberrations and visual quality indices obtained with iTrace were further compared between eyes with single and paired LRIs. RESULTS: Totally, 108 eyes of 108 patients were analyzed. The mean total surgical induced astigmatism (tSIA) vector of all participants was 0.76 ​± ​0.38 D (range: 0.11–1.79 D, preoperative vs. postoperative astigmatism: 1.46 ​± ​0.41 vs. 0.78 ​± ​0.44 D, P ​< ​0.001). Eyes with WTR astigmatism showed higher tSIA (0.89 ​± ​0.32 D vs. 0.42 ​± ​0.21 D vs. 0.48 ​± ​0.36 D, respectively, P ​< ​0.001), as well as higher correction index and lower difference vector and index of success than ATR and oblique astigmatism groups (all P ​< ​0.05). Eyes with paired LRIs exhibited better corneal average height of modulation transfer function, a better corneal performance index and a better quality of vision index than those with single LRI (all P ​< ​0.05). CONCLUSIONS: Image-guided LRIs can effectively correct low-to-moderate corneal astigmatism during cataract surgery, especially in eyes with WTR astigmatism.
Document Type: Article
Other literature type
Language: English
ISSN: 2667-3762
DOI: 10.1016/j.aopr.2025.06.001
Rights: CC BY
Accession Number: edsair.doi.dedup.....4c7baf326697a955a02633c2a52e8e1a
Database: OpenAIRE
Description
Abstract:PURPOSE: To investigate the efficacy of image-guided accurate limbal relaxing incisions (LRIs) for astigmatism correction during cataract surgery. METHODS: Consecutive cataract patients with regular corneal astigmatism ranging from 0.75 to 2.50 D, intended for cataract surgery with image-guided LRIs, were recruited in this prospective cohort study. The efficacy of astigmatism correction was evaluated 3 months after surgery, and compared among eyes with preoperative corneal with-the-rule (WTR), against-the-rule (ATR) and oblique astigmatism. Higher-order aberrations and visual quality indices obtained with iTrace were further compared between eyes with single and paired LRIs. RESULTS: Totally, 108 eyes of 108 patients were analyzed. The mean total surgical induced astigmatism (tSIA) vector of all participants was 0.76 ​± ​0.38 D (range: 0.11–1.79 D, preoperative vs. postoperative astigmatism: 1.46 ​± ​0.41 vs. 0.78 ​± ​0.44 D, P ​< ​0.001). Eyes with WTR astigmatism showed higher tSIA (0.89 ​± ​0.32 D vs. 0.42 ​± ​0.21 D vs. 0.48 ​± ​0.36 D, respectively, P ​< ​0.001), as well as higher correction index and lower difference vector and index of success than ATR and oblique astigmatism groups (all P ​< ​0.05). Eyes with paired LRIs exhibited better corneal average height of modulation transfer function, a better corneal performance index and a better quality of vision index than those with single LRI (all P ​< ​0.05). CONCLUSIONS: Image-guided LRIs can effectively correct low-to-moderate corneal astigmatism during cataract surgery, especially in eyes with WTR astigmatism.
ISSN:26673762
DOI:10.1016/j.aopr.2025.06.001