Objective To test contrast visual acuity (CVA) at bright and dark backgrounds for myopes with different modalities of refractive error correction.
目的在亮、暗两种环境条件下，检测近视眼患者配戴三种矫正方式的对比度视力。
Objective To test contrast visual acuity (CVA) at bright and dark backgrounds for myopes with different modalities of refractive error correction.
目的在亮、暗两种环境条件下，检测近视眼患者配戴三种矫正方式的对比度视力。
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