索维屈光筛查仪与Suresight屈光筛查仪的应用对比研究

The Study of the Contrast Application of Suowei Refractometer and Suresight Refractometer

摘要: 目的：评估索维屈光筛查仪与Suresight屈光筛查仪在儿童屈光筛查中的一致性，评价索维屈光筛查仪在筛查工作中的应用价值。方法：前瞻性研究。对321例5个月~6岁儿童共642眼分别使用索维屈光筛查仪与Suresight屈光筛查仪进行屈光筛查，对结果采用Pearson相关分析，差异比较采用配对t检验。进一步按年龄分组，比较两种筛查方法得到的球镜、柱镜的屈光值的屈光分布特征。以百分位数确定95%参考值范围。结果：Pearson相关分析显示两种仪器测得的无论球镜值、柱镜值还是柱镜轴向，都具有统计学相关性。索维球镜平均值为0.28 ± 0.62D，Suresight球镜平均值为1.56 ± 0.68D，两者之间差异有统计学意义(t = −55.692, P < 0.01)。柱镜度两者之间差异有统计学意义(t = 2.172, P < 0.05)。索维屈光筛查仪和Suresight筛查仪的柱镜参考值范围基本一致，球镜参考值有差别，索维比Suresight低1.00D~1.50D。结论：索维屈光筛查仪可操作性较强，检测更快捷，儿童配合度高，在儿童屈光筛查工作中具有一定的应用价值，和Suresight筛查仪均适用于大规模儿童群体的筛查。

Abstract: Objective: To explore the agreement of suowei refractometer and suresight refractometer, to evaluate the value of clinical application of suowei refractometer in refraction screening. Methods: This was a prospective study. Refractive screening was performed among 642 eyes of 321 children aged from 4 months to 6 years old with suowei refractometer and suresight refractometer. The refraction results of these two methods were compared and analyzed by matching t-test and Pearson correlation analysis. Further analysis was conducted by age group. Medians of the sphere and cylinder by two refractometers were contrasted. Ranges of normal values were calculated by percentiles. Results: The spherical diaopter, the cylinder diopter and cylinder axial by suowei re-fractometer and suresight refractometer presented correlations. The sphere was (0.28 ± 0.62)D in suowei refractometer examination, while (1.56 ± 0.68)D in suresight refractometer examination. The difference was significant (t = −55.692, P < 0.01). The difference of the cylinder diopter was also pronounced (t = 2.172, P < 0.05). The reference ranges of cylinder diopter between suowei refractometer and suresight refractometer are perfect. The reference ranges of spherical diaopter were lower 1.00D~1.50D than suresight refractometer. Conclusions: Suowei refractometer is easy and quick to be operated and it can enhance cooperation level of children. Suowei refractometer is considered a useful device for refraction screening. Suowei refractometer and suresight refrac-tometer have good feasibility in mass refraction screening of children.