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首页> 外文期刊>Eye Science >Comparison of the Accuracy of Canon KU-1 IOL Measurer and VPLUS A/B Scanner in Axial Length Measurement
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Comparison of the Accuracy of Canon KU-1 IOL Measurer and VPLUS A/B Scanner in Axial Length Measurement

机译：佳能KU-1 IOL测量仪和VPLUS A / B扫描仪轴向长度测量精度的比较

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摘要

Purpose: To evaluate the accuracy of Canon KU-1 IOL measurer (Japanese Canon Company) and VPLUS A/B scanner (French Quantel Company) in axial length (AL) measurement. Methods: Canon KU-1 IOL measurer and VPLUS A/B scanner were used to measure axial length of human cataractous eyes before cataract surgery. Two hundred and twenty-two cases (433 eyes) were involved. The results were compared and the postoperative visual acuity, refractive results were recorded during the follow-ups to evaluate the accuracy of the two instruments. Results: In the 222 cases (433 eyes), the absolute value of the measurement differences was 0.4 mm or above in 35 eyes, 0.8 mm or above in 17 eyes, 1.2 mm or above in 12 eyes, 2.0mm or above in 5 eyes. The refractive error was less than 2.0D in all patients. The mean values of ocular axial length by the two methods were 23.82 mm and 23.83 mm respectively and the difference had no statistic significance with compared t test ( P= 0.902, two tail, α=0.01). Conclusion: The accurate AL measurements can be obtained with the two instruments and the measurement results should be analyzed comprehensively to obtain accurate values in the complicated cases.
机译：目的：评估佳能KU-1 IOL测量仪（日本佳能公司）和VPLUS A / B扫描仪（法国Quantel公司）在轴向长度（AL）测量中的准确性。方法：使用佳能KU-1 IOL测量仪和VPLUS A / B扫描仪测量白内障手术前人白内障眼睛的轴向长度。涉及222例（433眼）。比较结果，并在随访期间记录术后视力，屈光结果，以评估两种器械的准确性。结果：在222例（433眼）中，测量差的绝对值为35眼为0.4mm以上，17眼为0.8mm以上，12眼为1.2mm以上，5眼为2.0mm以上。所有患者的屈光不正均小于2.0D。两种方法的眼轴长度平均值分别为23.82 mm和23.83 mm，与t检验相比，差异无统计学意义（P = 0.902，两条尾巴，α= 0.01）。结论：两种仪器均可获得准确的AL测量值，应综合分析测量结果，以获取复杂情况下的准确值。

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