ArticleInternational journal of retina and vitreous2025
Optimizing axial length estimation for intraocular lens power calculation in phacovitrectomy for macula-off retinal detachment.
Article in International journal of retina and vitreous, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTo evaluate methods of preoperative axial length (AL) estimation for intraocular lens (IOL) power calculation in patients with macula-off rhegmatogenous retinal detachment (RRD). These methods included optical biometry, A-scan biometry, and novel decision algorithms.
methodsA retrospective analysis of prospectively collected data was conducted at a tertiary hospital from January 2018 to December 2023. Preoperative and postoperative AL measurements were obtained using optical biometry (IOL Master 700, Zeiss, Germany) and A-scan biometry (VuMAX, Sonomed, USA). The primary outcome was the mean absolute prediction error (MAE) between postoperative AL and preoperative estimates generated by five methods, including two novel algorithms.
resultsThe study included 56 patients (56 eyes). The lowest MAE was achieved using the simple algorithm (0.31 ± 0.55 mm), followed by the AL of the fellow eye measured via IOL Master (0.34 ± 0.60 mm), and the advanced algorithm (0.36 ± 0.62 mm). A Kruskal-Wallis H test found no statistically significant difference in MAE across the five methods (P = 0.118). Bland-Altman analysis demonstrated good agreement between preoperative and postoperative AL measurements obtained with the IOL Master.
conclusionFor patients undergoing phacovitrectomy for macula-off RRD, the simple algorithm provides accurate AL estimation for IOL power calculation. In cases where AL measurement of the affected eye is not feasible using the IOL Master, the fellow eye's AL is a reliable alternative.
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