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1·What is a refractive error?

什么是屈光不正？

2·The need to correct refractive error is determined by its effect on vision.

是否需要矫治折射偏差取决于它对视力的影响。

3·Objective To assess trends in refractive error changes in children with mixed astigmatism.

目的探讨儿童混合性散光的屈光演变规律。

4·Efficacy measures include axial length, keratometric power and mean absolute refractive error.

有效测量值包括眼轴长度，角膜曲率和绝对屈光误差值等内容。

5·Wavefront aberrations were found to provide a good prediction of the conventional refractive error.

人们亦发现波前像差能为传统的屈光不正提供良好的预测。

6·The regression coefficient between corneal power and the refractive error increased from apex to peripheral area.

角膜中央到周边曲率与等效球镜度的回归系数逐渐增加。

7·A new method of radiowave refractive error correction is given, which adopts atmospheric remote sensing by microwave radiometer.

提出了一种电波折射误差修正的新方法，即用微波辐射计采用大气遥感的方法进行电波折射实时修正。

8·Conclusion: the postoperative refractive error becomes more plus when the posterior surface of the lens is fused with silicone oil.

结论：术后患者的屈光度偏向正是由于晶体后表面被硅油融合后其屈光度的表现。

9·Objective: to investigate the changes of corneal shape and how to correct the refractive error after penetrating keratoplasty (PKP).

目的：探讨穿透性角膜移植术(pkp)后的角膜形状改变以及如何进行屈光矫正。

10·However because of the refraction effect in the troposphere there is refractive error in the parameters measured in positioning system.

但由于对流层中的折射效应，定位系统所测目标的仰角、距离等参量均存在一定的折射误差。