Universal Eye Center, Zhong-Li, Taiwan.
Department of Optometry, Central Taiwan University of Science and Technology, Taichung, Taiwan.
Lasers Med Sci. 2022 Mar;37(2):843-848. doi: 10.1007/s10103-021-03321-1. Epub 2021 Apr 19.
The purpose of the study is to compare the total ultrasound power used between eyes undergoing different lens fragmentation patterns of femtosecond laser-assisted cataract surgery (FLACS) and conventional phacoemulsification surgery (CPS). A total of 506 patient eyes underwent preoperative grading of lens opacity using the Lens Opacity Classification System III (LOCSIII). The eyes were divided into two subgroups: subgroup 1 had a LOCSIII grade of 1-3, and subgroup 2 had a LOCSIII grade of 4-6. The eyes underwent FLACS (LenSx) for clear corneal wound, capsulotomy, and lens fragmentation. Either a grid pattern or radial pattern was used for lens fragmentation. The eyes received one of the following three treatments: (1) CPS without femtosecond laser assistant, (2) FLACS with a grid pattern (FGP) lens fragment, or (3) FLACS with a quadrant pattern (FQP) lens fragment. The mean cumulative dispersed energy (CDE) for each subgroup and treatment was evaluated. The mean CDE was lower in the two FLACS groups (1.21±1.91 in FGP and 1.22±1.92 in FQP) than that in the CPG group (2.67±2.84). In subgroup 1, CDE was higher in the CPG group (1.54±1.18) as compared with the FLACS groups (0.16±0.31 in FGP and 0.74±1.17 in FQP; P<0.001). In subgroup 2, CDE was higher in the CPG (6.47±3.46) as compared with the FLACS groups (2.74±2.21 in FGP and 5.34±2.17 in FQP; P<0.001). CDE was lower in the two FLACS groups than that in the CPS group, and CDE was the lowest with FGP in both subgroups 1 and 2.
本研究旨在比较不同模式的飞秒激光辅助白内障手术（FLACS）与传统超声乳化白内障吸除术（CPS）在眼内使用的总超声能量。共有 506 例患者术前采用 Lens Opacity Classification System III（LOCSIII）对晶状体混浊程度进行分级。将这些患者的眼分为两组：亚组 1 为 LOCSIII 分级 1-3，亚组 2 为 LOCSIII 分级 4-6。这些眼均接受飞秒激光辅助透明角膜切口、撕囊和晶状体粉碎术（LenSx）。晶状体粉碎采用格栅或放射状模式。这些眼接受以下三种治疗之一：（1）无飞秒激光辅助的 CPS，（2）格栅模式（FGP）粉碎晶状体的 FLACS，或（3）象限模式（FQP）粉碎晶状体的 FLACS。评估每个亚组和治疗组的平均累积弥散能量（CDE）。两个 FLACS 组（FGP 为 1.21±1.91，FQP 为 1.22±1.92）的平均 CDE 均低于 CPG 组（2.67±2.84）。在亚组 1 中，CPG 组的 CDE（1.54±1.18）高于 FLACS 组（FGP 为 0.16±0.31，FQP 为 0.74±1.17；P<0.001）。在亚组 2 中，CPG 组的 CDE（6.47±3.46）高于 FLACS 组（FGP 为 2.74±2.21，FQP 为 5.34±2.17；P<0.001）。FLACS 组的 CDE 均低于 CPS 组，且在两个亚组中 FGP 的 CDE 均最低。
