摘要目的:分析隐匿性晶状体悬韧带异常闭角型青光眼合并白内障患者植入囊袋张力环后屈光误差的影响因素。方法:回顾性病例对照研究。分析山西省眼科医院2021年6月至2022年3月隐匿性悬韧带异常闭角型青光眼合并白内障患者48例(48只眼)，患者按照手术是否植入囊袋张力环分为两组：观察组(24例)，行超声乳化白内障吸除人工晶状体植入术、前房角镜下前房角分离联合张力环植入术；对照组(24例)，行超声乳化白内障吸除人工晶状体植入术联合前房角镜下前房角分离术。术后随访3个月，分析IOL Master 700测量的眼轴长度、晶状体厚度、前房深度、角膜横径、中央角膜厚度、角膜曲率与术后屈光误差的相关性。结果:观察组的前房深度为(1.92±0.50) mm，明显低于对照组的(2.26±0.31)mm，差异具有统计学意义( t＝2.88, P＝0.006)；观察组术后屈光误差为1.02(0.70，1.80)D，对照组为1.29(0.70，1.50)D，差异无统计学意义( Z＝0.00, P＝1.000);观察组、对照组的屈光误差与眼轴长度( r＝－0.56、－0.49，均 P<0.05)、前房深度( r＝－0.57、－0.55，均 P<0.05)呈负相关，与晶状体厚度( r＝－0.43、－0.58，均 P<0.05)呈正相关。其中，观察组屈光误差与角膜直径( r＝－0.48, P＝0.018)、与角膜曲率( r＝－0.43, P＝0.008)均呈负相关。 结论:对伴晶状体悬韧带异常的闭角型青光眼患者行超声乳化白内障吸除联合囊袋张力环植入不影响术后屈光误差，术前浅前房、短眼轴、厚晶状体、大角膜曲率、小角膜直径是影响术后屈光误差的因素。

abstractsObjective:To analyze the influencing factors of refractive error after capsular tension ring implantation in cataract patients with occult abnormal suspension ligament angle-closure glaucoma.Methods:This was a retrospective case-control study. A total of 48 eyes of 48 patients with occulted abnormal angle-closure glaucoma of suspension ligament combined with cataract from Jun. 2021 to Mar. 2022 were analyzed in Shanxi Eye Hospital. The patients were divided into two groups based on whether or not the capsular tension ring was implanted. In the observation group, 24 patients received phacoemulsification and intraocular lens implantation, as well as anterior chamber angle separation combined with tension ring implantation under anterior chamber angle microscope.In the control group, 24 patients underwent phacoemulsification and intraocular lens implantation combined with anterior chamber angle separation under anterior chamber angle lens. The correlation of axial length, lens thickness, anterior chamber depth, corneal transverse diameter, central corneal thickness, corneal curvature and postoperative refractive error measured by IOL Master 700 were analyzed at 3 months after operation.Results:The anterior chamber depth of the observation group [(1.92±0.50) mm] was significantly lower than the (2.26±0.31) mm of the control group, and the difference was statistically significant ( t=2.88, P=0.006). Postoperative refractive errors were 1.02(0.70, 1.80)D in the observation group and 1.29(0.70, 1.50)D in the control group, and the difference was not statistically significant ( Z=0.00, P=1.000). Refractive errors of both groups were negatively correlated with axial length ( r=-0.56, -0.49; all P<0.05) and anterior chamber depth ( r=-0.57, -0.55; all P<0.05), and positively correlated with lens thickness ( r=-0.43, -0.58, all P<0.05). And refractive error in the observation group was negatively correlated with corneal diameter ( r=-0.48, P=0.018) and corneal curvature ( r=-0.43, P=0.008). Conclusion:Phacoemulsification and implantation of a capsular tension ring for patients with angle-closure glaucoma accompanied by abnormal suspensory ligaments, does not affect postoperative refractive error. Preoperative shallow anterior chamber, short axial length, thick crystalline lens, large corneal curvature, and small corneal diameter are factors which affect postoperative refractive error.