目的:评估磁共振测量合并白内障的硅油眼眼轴的精确度。方法:采取前瞻性双盲对照研究,分别用磁共振和眼科A超测量合并白内障的硅油眼眼轴长度,对两者的准确度进行比较研究。结果:32眼通过磁共振扫描在正确的平面测量轴向长度,磁共振测量的眼轴长度比眼科A超测量的眼轴长度平均长0.16±0.20mm。结论:磁共振测量眼轴长度比眼科A超测量眼轴长度要准确可靠。

·AIM:To evaluate the magnetic resonance imaging(MRI)measurement accuracy of axial length in silicone oil combined cataract eye.·METHODS:A prospective double-blind controlled study,respectively with MRI and A ultrasonometry,was conducted on silicone oil combined cataract eyes to measure the axial length,and the accuracy of the two methods.·RESULTS:Thirty-two eyes achieved correct measure-ment of axial length in the plane by MRI,the axial length of MRI was longer than that of A ultrasonometry by an average length of 0.16±0.20mm.·CONCLUSION:MRI measurement of axial length is more accurate and reliable than the A ultrasonometry measurement.·

R770.4