Methods Hypermetropia and myopia were induced by playing concave and convex lens in front of eyes of 32 subjects.

方法在正常眼前放置正、负球镜，人工诱导单纯性远视、近视性屈光参差。

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Methods Hypermetropia and myopia were induced by playing concave and convex lens in front of eyes of 32 subjects.

方法在正常眼前放置正、负球镜，人工诱导单纯性远视、近视性屈光参差。

youdao