Correlation Between Lens Density Measured by Swept-Source Optical Coherence Tomography and Phacodynamic Parameters of Centurion Phacoemulsification

超声乳化术 白内障 超声波 光学相干层析成像 眼科 医学 镜头(地质) 白内障手术 断层摄影术 核医学 光学 视力 物理 放射科
作者
Xueer Wu,Lulu Chen,Zhangliang Li,Yun‐e Zhao
出处
期刊:Current Eye Research [Informa]
卷期号:48 (7): 651-659 被引量:2
标识
DOI:10.1080/02713683.2023.2192896
摘要

Purpose To evaluate the correlation between lens density measured by IOL-Master 700 based on swept-source optical coherence tomography (SS-OCT) technology and the phacodynamic parameters of Centurion phacoemulsification in cataract surgery.Methods This prospective study included 66 patients (83 eyes) with age-related cataracts. Using the Lens Opacities Classification System III (LOCS III), the lens nuclear color (NC), lens nuclear opalescence (NO), cortical (C), and posterior subcapsular (P) opacities were obtained. Six meridian orientations of IOL-Master 700 images were captured, and the lens and nuclear regions were analyzed using ImageJ to generate the average lens nucleus density (AND) and average lens density (ALD). Phacodynamic parameters were recorded. The correlation between lens density and the phacodynamic parameters was analyzed. According to the AND, patients were divided into four groups (soft, medium-hard, hard, and extremely hard nucleus), and the phacodynamic parameters were compared among groups.Results The correlation between the AND obtained by LOCS III grading and SS-OCT-based cataract quantification system score (NC and NO) was statistically significant (rNC = 0.795, rNO=0.794, both p = .000). AND correlated significantly with cumulative dissipated energy (CDE, r = 0.545, p = .000), total ultrasound time (TUST, r = 0.354, p = .001), and total torsional ultrasound time (TTUT, r = 0.314, p = .004). Among the four groups divided by AND, the difference in CDE (P13 = 0.002, P14 < 0.001, P24 = 0.002) was statistically significant.Conclusion AND measured by IOL-Master 700, SS-OCT correlated significantly with LOCS III classification and phacodynamic parameters of the Centurion system, especially with CDE, TUST, and TTUT. AND can be used as an indicator for quantitative evaluation and help inform the surgical plan.
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