Optimizing axial length measurement success in advanced cataract patients through pupil dilation.

IF 2.1 4区 医学 Q2 OPHTHALMOLOGY Indian Journal of Ophthalmology Pub Date : 2024-11-01 Epub Date: 2024-09-19 DOI:10.4103/IJO.IJO_3316_23
Emmanuel Bettach, Hashem Totah, Yishay Weill, David Zadok, Adi Abulafia
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Abstract

Purpose: To evaluate the impact of pharmacologic pupil dilation on axial length (AL) measurement in patients with dense cataracts and previous failed AL measurements carried out without pupil dilation.

Design: Retrospective case series.

Methods: All participants underwent swept-source optical coherence tomography (SS-OCT) biometry. Patients with unsuccessful AL measurements due to dense cataract underwent an additional SS-OCT biometric evaluation after pupil dilation, and the SS-OCT AL measurement was compared to the immersion ultrasound.

Results: The study included 3668 eyes of 3668 patients who underwent SS-OCT between October 2021 and March 2023. Of them, 102 eyes (2.8%) had failed AL measurements because of dense cataract. Eighty-seven of those 102 eyes underwent a repeat SS-OCT biometric exam following pharmacologic pupil dilation, after which AL measurements were successfully achieved in 27 (31.0%) of the 87 eyes. These measurements were found to be consistent with immersion ultrasound, supporting the validity of SS-OCT biometer measurements post dilation.

Conclusions: Pharmacologic pupil dilation improved the rate of successful SS-OCT biometrically measured AL in patients with failed AL measurement due to dense cataract.

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通过散瞳优化晚期白内障患者轴长测量的成功率。
目的:评估药物性散瞳对致密性白内障患者轴长(AL)测量的影响,以及之前在未散瞳的情况下进行的AL测量的失败:设计:回顾性病例系列:所有参与者都接受了扫源光学相干断层扫描(SS-OCT)生物测量。因致密性白内障导致AL测量不成功的患者在散瞳后再接受一次SS-OCT生物测量评估,并将SS-OCT AL测量结果与浸入式超声波测量结果进行比较:研究共纳入了 3668 名患者的 3668 只眼睛,这些患者在 2021 年 10 月至 2023 年 3 月期间接受了 SS-OCT 检查。其中,102 只眼睛(2.8%)因白内障致密而导致 AL 测量失败。这 102 只眼睛中有 87 只在药物散瞳后再次接受了 SS-OCT 生物测量检查,87 只眼睛中有 27 只(31.0%)成功完成了 AL 测量。这些测量结果与浸入式超声波一致,支持散瞳后 SS-OCT 生物测量计测量的有效性:结论:对于因致密性白内障导致 AL 测量失败的患者,药物散瞳提高了 SS-OCT 生物计量学测量 AL 的成功率。
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来源期刊
CiteScore
3.80
自引率
19.40%
发文量
1963
审稿时长
38 weeks
期刊介绍: Indian Journal of Ophthalmology covers clinical, experimental, basic science research and translational research studies related to medical, ethical and social issues in field of ophthalmology and vision science. Articles with clinical interest and implications will be given preference.
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