IOL-Master与A型超声测量前房深度和眼轴长度比较及其相关性  

Measurement of Anterior Chamber Depth and Axial Length with IOL-Master or Contact Ultrasonic Axial Scan:Comparison and Correlation

作　　者：徐海燕[1] 金玉梅[1] 李辉[1] 胡伯越[1] 姜茹欣[1] 

机构地区：[1]中国医学科学院 北京协和医学院 北京协和医院眼科,北京100730

出　　处：《协和医学杂志》2012年第2期200-203,共4页Medical Journal of Peking Union Medical College Hospital

摘　　要：目的了解IOL-Master生物测量仪的准确性及可靠性。方法对北京协和医院92例患者161眼分别用IOL-Master和A型超声测量前房深度及眼轴长度,同时用IOL-Master及电脑验光仪测量角膜曲率。结果 IOL-Master和A型超声对前房深度的测量值分别为(2.94±0.19)和(2.77±0.13)mm,两种方法比较差异有统计学意义(P<0.001),但两种测量方法无显著相关性(r=0.012,P>0.05)。IOL-Master和A型超声对眼轴长度的测量值分别为(24.10±2.36)和(23.91±2.13)mm,两种方法比较差异有统计学意义(P<0.01),且两种测量方法具有显著相关性(r=0.983,P<0.001)。IOL-Master和电脑验光仪测量角膜曲率分别为(44.38±1.66)和(44.12±1.62)D,两种方法比较差异有统计学意义(P<0.001)。结论 IOL-Master与A型超声均可用于眼前节相关参数测量,基于光学原理基础,IOL-Master测量前房深度和眼轴长度具有良好的可靠性和准确性,为临床生物测量提供了新的选择。Objective To compare the results of the IOL-Master and contact ultrasonic axial scan （US A-scan）for anterior chamber depth （ACD） and axial length （AL） measurements.Methods A total of 161 eyes of 92 cases were enrolled in this study.ACD and AL estimation were measured with IOL-Master and contact US A-scan,and the corneal curvature was measured by IOL-Master and computer refractometery.Results The ACD measured by IOL-Master and contact US A-scan was （2.94±0.19） mm and （2.77±0.13） mm,respectively,which showed significant difference （P 0.001）;however,these two methods showed no significant correlation （r=0.012,P0.05）.The AL measured by IOL-Master and contact US A-scan was （24.10±2.36） mm and （23.91±2.13） mm,which was significantly different between these two measurement methods （P0.01）,and the two measurement methods showed significant correlation （r=0.983,P0.001）.The corneal curvature measured by IOL-Master and computer refractor keratometer was （44.38±1.66） D and （44.12±1.62） D,respectively,which showed significant difference （P0.001）.Conclusions Both IOL-Master and contact US A-scan can be used for the measurement of anterior segment parameters.Based on optical principles,IOL-Master can reliably measure ACD and AL,and thus provides a new option for clinical biological measurements.

关 键 词：IOL-MASTER A型超声 前房深度 眼轴长度 

分 类 号：R778[医药卫生—眼科]