使用全自动扫描源光学相干层析成像生物计分析晶体透镜倾斜和偏心。

IF 2.9 3区医学 Q1 OPHTHALMOLOGY

Journal of refractive surgery Pub Date : 2025-02-01 DOI:10.3928/1081597X-20241230-03

Robert Montés-Micó, Maria Nilsson, Rune Brautaset, Abinaya Priya Venkataraman, Alberto Domínguez-Vicent

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引用次数: 0

摘要

目的：评价全自动扫源光学相干断层扫描（SS-OCT）生物计测量健康晶状体离体和倾斜的可重复性及其与其他生物特征参数的相关性。方法：本前瞻性研究纳入135例患者135只眼。使用Eyestar 900 SS-OCT （Haag-Streit AG）测量三次眼部生物特征参数，包括晶体分散和倾斜。用受试者内标准差（Sw）、变异系数和可重复性系数分析重复性。其他生物特征参数，如角膜测量（K1平和K2陡）、前房深度（ACD）、晶状体厚度（LT）和轴向长度（AL）也进行了分析，以探索可能的关系。结果：K1、K2、ACD、LT、AL的Sw值分别为0.07、0.14、0.01 mm、0.02 mm、0.01 mm。对于X和Y分散和倾斜，Sw值分别为0.01,0.02和0.39 mm。所有眼部生物特征参数与晶状体倾斜度的相关系数(r)均较低（r < -0.300），仅与AL相关（P < 0.001, r = -0.295）。X、Y方向分散度与眼生物特征参数之间的r值均小于0.300。分散度（Y方向）与K2、ACD参数仅存在相关性（P < 0.001, P = 0.007）。线性回归参数与其他眼部生物特征参数之间的斜率值均小于-0.15。结论：Eyestar 900提供了可重复测量的晶状体偏心和倾斜。AL是唯一与晶状体倾斜相关的生物特征参数，角膜曲率、ACD和LT与晶状体沿Y方向的分散相关。[J].中华眼科杂志，2015;41(2):555 - 563。

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Analysis of Crystalline Lens Tilt and Decentration Using a Fully Automated Swept-Source Optical Coherence Tomography Biometer.

Purpose: To evaluate the repeatability of a fully automated swept-source optical coherence tomography (SS-OCT) biometer to measure healthy crystalline lens decentration and tilt and their correlation with other biometric parameters.

Methods: In this prospective study, 135 eyes of 135 patients were included. Ocular biometric parameters including crystalline decentration and tilt were measured three times with the Eyestar 900 SS-OCT (Haag-Streit AG). The repeatability was analyzed with the within-subject standard deviation (S_w), coefficient of variability, and coefficient of repeatability. Other biometric parameters such as keratometry (K1 flat and K2 steep), anterior chamber depth (ACD), lens thickness (LT), and axial length (AL) were also analyzed to explore possible relationships.

Results: For K1, K2, ACD, LT, and AL, S_w values were 0.07 diopters (D), 0.14 D, 0.01 mm, 0.02 mm, and 0.01 mm, respectively. For X and Y decentration and tilt, S_w values were 0.01, 0.02, and 0.39 mm, respectively. The correlation coefficient (r) between the crystalline lens tilt was low (r < -0.300) for all ocular biometric parameters, and was only associated with the AL (P < .001, r = -0.295). The r value between the decentration along the X and Y direction and the ocular biometric parameters was in all cases lower than 0.300. There was only a correlation between the decentration (Y direction) and K2 and ACD parameters (P < .001, P = .007, respectively). The linear regression parameters resulted in a slope value lower than -0.15 between any direction of the decentration and the other ocular biometric parameters.

Conclusions: The Eyestar 900 provides repeatable measurements for crystalline lens decentration and tilt. AL was the only biometric parameter correlated with the crystalline lens tilt, and keratometry, ACD, and LT were correlated with the crystalline lens decentration along the Y direction. [J Refract Surg. 2025;41(2):e155-e163.].

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来源期刊

$Journal of refractive surgery$

Journal of refractive surgery 医学-外科

CiteScore

5.10

自引率

12.50%

发文量

160

审稿时长

4-8 weeks

期刊介绍： The Journal of Refractive Surgery, the official journal of the International Society of Refractive Surgery, a partner of the American Academy of Ophthalmology, has been a monthly peer-reviewed forum for original research, review, and evaluation of refractive and lens-based surgical procedures for more than 30 years. Practical, clinically valuable articles provide readers with the most up-to-date information regarding advances in the field of refractive surgery. Begin to explore the Journal and all of its great benefits such as: • Columns including “Translational Science,” “Surgical Techniques,” and “Biomechanics” • Supplemental videos and materials available for many articles • Access to current articles, as well as several years of archived content • Articles posted online just 2 months after acceptance.