Influence of IOL Weight on Long-Term IOL Stability in Highly Myopic Eyes

Overview

Journal Front Med (Lausanne)

Specialty General Medicine

Date 2022 Apr 28

PMID 35479960

Authors

Yuxi Chen

Jiaqi Meng

Kaiwen Cheng

Qiang Lu

Ling Wei

Yi Lu

Xiangjia Zhu

Affiliations

Soon will be listed here.

Abstract

Purpose: This study aimed to investigate the influence of intraocular lens (IOL) weight on long-term IOL stability in highly myopic eyes.

Materials And Methods: A total of 205 highly myopic cataract eyes of 205 patients implanted with the MC X11 ASP (Group A, 86 eyes) or 920H IOL (Group B, 119 eyes) were included in this retrospective study. Eyes were divided into 3 subgroups according to the IOL power: low (≥-5 to <5 D), medium (≥5 to <14 D), and high (≥14 D) IOL power. At 3 years after surgery, IOL decentration and tilt, high-order aberrations, and anterior capsular opening (ACO) area were measured. The influence of IOL weight on long-term IOL stability was evaluated.

Results: Group B had a significantly greater IOL weight than Group A (Group B vs. Group A: 28.31 ± 2.01 mg vs. 25.71 ± 4.62 mg, < 0.001). Correspondingly, Group B presented significantly greater overall and inferior decentration than Group A, especially for low and medium IOL power (all < 0.05). In both groups, overall and vertical decentration was significantly correlated with IOL weight (all < 0.05). Group B showed a significantly greater ACO area than Group A ( < 0.05). Multivariate analysis showed that decentration in Group A was affected by IOL weight, while decentration in Group B was affected by IOL weight and AL.

Conclusions: Higher IOL weight may lead to greater long-term IOL decentration in highly myopic eyes, while the haptic design may play a role in anterior capsular contraction.

Citing Articles

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