Prediction of excessively low vault after implantable collamer lens implantation using iris morphology

金库(建筑) IRIS(生物传感器) 医学 形态学(生物学) 有晶状体人工晶状体 眼科 镜头(地质) 光学 验光服务 生物识别 地质学 工程类 计算机科学 物理 视力 人工智能 结构工程 折射误差 古生物学
作者
Muhammad Ahmad Khan,Qian Tan,Wei Sun,Cai Wang,Libei Zhao,Ding Lin
出处
期刊:Frontiers in Medicine [Frontiers Media]
卷期号:9 被引量:13
标识
DOI:10.3389/fmed.2022.1029350
摘要

To identify the iris morphology-related factors for prediction of outcomes of excessively low vault (< 100 μm) after Implantable Collamer Lens V4c (ICL V4c; STAAR Surgical) implantation.This retrospective case-control study included 81 eyes from 2,080 patients who underwent ICL implantation. Twenty-seven eyes of 27 patients with excessively low vault (< 100 μm) constituted the case group (excessively low vault group). Patients with vault (250 to 750 μm) were selected as the optimal vault group by matching anterior chamber depth, white-to-white distance and ICL size with cases with excessive low vault (< 100 μm) at a proportion of 1:2. The preoperative biometric parameters and postoperative vault were recorded. Multiple linear regression analysis was performed to assess the relationship between the postoperative vault and various variables. Conditional logistic regression analysis was used to estimate the risk factors for excessively low vault.The postoperative vault was associated with preoperative pupil diameter (PD), crystalline lens rise, iris concavity and the ratio of the iris concavity to chord length (P < 0.05). The larger iris concavity increased risk of excessively low postoperative vault (< 100 μm) (OR = 81.10; 95%CI = 2.87 to 2296.58; P = 0.01).Eyes with obviously concave iris were associated with a higher rate of excessively low vault (< 100 μm). Evaluation of iris morphology may provide significant information for predicting excessive postoperative vault.
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