PDF(Pubmed)
Abstract：
OBJECTIVE: To determine the factors related to preoperative ocular characters that are predictive of insufficient vault (<250 µm) after implantable collamer lens (ICL V4c; STAAR Surgical) implantation.
METHODS: The participants underwent ICL surgery and were divided into the low (<250 µm) and normal (250-1000 µm) vault groups based on the postoperative vault at 3mo. The preoperative biometric parameters and clinical outcomes were compared between the two groups. The relationship between the 3-month vault values and preoperative ocular parameters were evaluated by Generalized estimating equations.
RESULTS: Sixteen (23 eyes) and 36 patients (63 eyes) were in the low and normal vault groups, respectively. All implantation procedures were uneventful with no cataract formation in the early postoperative period. The sulcus-to-sulcus lens rise (STSL) and iris ciliary angle (ICA) were correlated with vault at 3mo after surgery. Every 0.1 mm increase in STSL was associated with 38.9 µm decrease in the postoperative 3-month vault. A rise of 1 degree in ICA is associated with a reduction of 4 µm in vault.
CONCLUSIONS: Eyes with a narrow ciliary sulcus are associated with a higher rate of low vault after ICL implantation, suggesting a need for adjustments to the ICL size in these patients. Evaluating the characteristics of the ciliary sulcus contributes valuable information to predict low vault after surgery.
METHODS: The participants underwent ICL surgery and were divided into the low (<250 µm) and normal (250-1000 µm) vault groups based on the postoperative vault at 3mo. The preoperative biometric parameters and clinical outcomes were compared between the two groups. The relationship between the 3-month vault values and preoperative ocular parameters were evaluated by Generalized estimating equations.
RESULTS: Sixteen (23 eyes) and 36 patients (63 eyes) were in the low and normal vault groups, respectively. All implantation procedures were uneventful with no cataract formation in the early postoperative period. The sulcus-to-sulcus lens rise (STSL) and iris ciliary angle (ICA) were correlated with vault at 3mo after surgery. Every 0.1 mm increase in STSL was associated with 38.9 µm decrease in the postoperative 3-month vault. A rise of 1 degree in ICA is associated with a reduction of 4 µm in vault.
CONCLUSIONS: Eyes with a narrow ciliary sulcus are associated with a higher rate of low vault after ICL implantation, suggesting a need for adjustments to the ICL size in these patients. Evaluating the characteristics of the ciliary sulcus contributes valuable information to predict low vault after surgery.
摘要：
目的：确定与可植入结晶体（ICLV4c；STAAR外科）植入后拱顶不足（<250µm）的术前眼部特征相关的因素。
方法：参与者接受了ICL手术，并根据3mo的术后拱顶分为低（<250µm）和正常（250-1000µm）拱顶组。比较两组患者术前生物特征参数及临床结局。通过广义估计方程评估3个月的拱顶值与术前眼部参数之间的关系。
结果:16例(23只眼)和36例(63只眼)分别为低穹窿组和正常穹窿组,分别。所有植入程序均顺利，术后早期无白内障形成。术后3mo沟-沟晶状体上升（STSL）和虹膜睫状角（ICA）与拱顶相关。STSL每增加0.1mm与术后3个月穹窿减少38.9µm相关。ICA升高1度与拱顶减少4µm有关。
结论：睫状沟狭窄的眼睛与ICL植入后较高的低穹窿率相关，提示需要调整这些患者的ICL大小。评估睫状沟的特征有助于预测手术后低拱顶的有价值的信息。
方法：参与者接受了ICL手术，并根据3mo的术后拱顶分为低（<250µm）和正常（250-1000µm）拱顶组。比较两组患者术前生物特征参数及临床结局。通过广义估计方程评估3个月的拱顶值与术前眼部参数之间的关系。
结果:16例(23只眼)和36例(63只眼)分别为低穹窿组和正常穹窿组,分别。所有植入程序均顺利，术后早期无白内障形成。术后3mo沟-沟晶状体上升（STSL）和虹膜睫状角（ICA）与拱顶相关。STSL每增加0.1mm与术后3个月穹窿减少38.9µm相关。ICA升高1度与拱顶减少4µm有关。
结论：睫状沟狭窄的眼睛与ICL植入后较高的低穹窿率相关，提示需要调整这些患者的ICL大小。评估睫状沟的特征有助于预测手术后低拱顶的有价值的信息。
