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1·What is a refractive error?

什么是屈光不正？

2·The three most common refractive errors are

最常见的屈光不正有三种

3·The refractive faces of the glass, you see.

你看这玻璃的折射面。

4·As with any surgery, refractive surgery carries risks, including.

正如任何外科手术，屈光手术也有风险，包括如下。

5·The deceleration gives the new medium a different refractive index.

减速使新介质获得不同的折射率。

6·Most insurance companies do not cover the cost of refractive surgery.

但大多数保险公司却并不支付屈光手术的费用。

7·Uncorrected refractive errors (myopia, hyperopia or astigmatism), 43 %.

未经矫正的屈光不正(近视、远视或散光)，43%。

8·There are three primary types of refractive errors: myopia, hyperopia and astigmatism.

有三个主要类型的屈光不正：近视，远视和散光。

9·The most common types of refractive errors are myopia, hyperopia, presbyopia, and astigmatism.

最常见的屈光不正有：近视、远视、老花眼和散光。

10·ObjectiveTo determine the relationship between corneal curvature and clinical refractive change.

目的研究角膜曲率与临床屈光变化之关系。

(1)refractive index折射率，折光率

(1)refractive error屈光不正；折射误差

(1)refractive power折光力；折射本领