【摘要】 针对目前临床上常用的ＳＲＫⅡ公式在计算人工晶体屈光度时的局限性，对４１５只后房型人工晶体眼的角膜屈光力、眼轴长度和正视化人工晶体屈光度进行回归分析后，设计出一种不同于传统的线性回归公式的曲线回归公式——二元三次计算公式。结果：二元三次回归公式为一单调递增曲线，呈连续分布，不分区间。利用二元三次回归公式计算的总体标准差小于ＳＲＫⅡ公式的总体标准差。结论：二元三次曲线回归公式计算法有助于临床更准确地进行人工晶体屈光度的计算更多还原

【Abstract】 Objective:Since some limitaions of SRK Ⅱ formula,the dual cubic curved regressive formula was designed.methods:By means of computer,statistical analysis and regressive treatment of kerato diopter,axial length and emmetropic IOL diopter of 415 pseudophakia was done.Result:The dual cubic regressive formula was a progressively increased curve with continous distribution,and the standard deviation produced by the dual cubic formula was less than the standard deviation produced by SRK Ⅱ formula.conclusion:The dual cubic regressive method could be used to calculate IOL diopter more accurately.更多还原