Comparative analysis of biometry and anterior chamber metrics in the eyes of extreme hyperopic and emmetropic children

IF 1.3 4区医学 Q3 OPHTHALMOLOGY Journal of Aapos Pub Date : 2024-12-01 DOI:10.1016/j.jaapos.2024.104032

Benjamin Stern MD , Hadas Ben-Eli OD, PhD , Ilana Karshai OD , Hadas Mechoulam MD , Ori Saban MD , Yaacov Cnaany MD , Gabriel Greifner MD , Evelyne Cohen OD , Irene Anteby MD

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Abstract

Purpose

To investigate the clinical and biometric features of pediatric eyes with extreme hyperopia and report baseline biometric values.

Methods

In this prospective case-control study, the biometric parameters of eyes in children with extreme hyperopia were compared to those of an emmetropic cohort of similar age. Comprehensive eye examinations were conducted for new patients. Anterior OCT (CASIA-2, Tomey) and ocular biometry imaging (IOL Master 700, Zeiss) were performed for all participants.

Results

A total of 19 children (mean age, 12.3 ± 2.3 years) with extreme hyperopia (+8.84 ± 0.77) were compared with 17 emmetropic (+0.53 ± 0.43) controls of similar age (mean age, 12.4 ± 2.2 years [P = 0.864]). Extreme hyperopic eyes exhibited significantly shorter axial length, normal spherical equivalent corneal keratometry, higher astigmatism, lower anterior chamber area and volume, and narrower iridotrabecular angle optical coherence tomography (OCT) parameters. Lens thickness and curvature were similar, with a slightly anterior and tilted position.

Conclusions

In our study cohort, extreme hyperopia was associated with shorter axial length, reduction in anterior chamber size, with well-formed, regular-sized lens positioned anteriorly, and a narrower iridotrabecular angle.

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极端远视儿童和弱视儿童眼球生物测量和前房指标的对比分析。

目的：调查患有极度远视的儿童眼睛的临床和生物测量特征，并报告基线生物测量值：在这项前瞻性病例对照研究中，我们将极度远视儿童眼睛的生物测量参数与年龄相仿的散光人群进行了比较。对新患者进行了全面的眼部检查。对所有参与者进行了前部 OCT（CASIA-2，Tomey 公司）和眼部生物测量成像（IOL Master 700，蔡司公司）：共有 19 名儿童（平均年龄为 12.3 ± 2.3 岁）患有极度远视（+8.84 ± 0.77），与 17 名年龄相仿的视力正常儿童（+0.53 ± 0.43）（平均年龄为 12.4 ± 2.2 岁 [P = 0.864]）进行了比较。极度远视眼的眼轴长度明显较短，球面等效角膜角膜度数正常，散光度数较高，前房面积和体积较小，虹膜睫状体角光学相干断层扫描（OCT）参数较窄。晶状体厚度和曲率相似，位置略微前倾：在我们的研究队列中，极度远视与较短的轴长、较小的前房大小、形态良好、大小规则的晶状体位于前方以及较窄的虹膜斜角有关。

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来源期刊

Journal of Aapos 医学-小儿科

CiteScore

2.40

自引率

12.50%

发文量

159

审稿时长

55 days

期刊介绍： Journal of AAPOS presents expert information on children''s eye diseases and on strabismus as it affects all age groups. Major articles by leading experts in the field cover clinical and investigative studies, treatments, case reports, surgical techniques, descriptions of instrumentation, current concept reviews, and new diagnostic techniques. The Journal is the official publication of the American Association for Pediatric Ophthalmology and Strabismus.