We work on improving visual acuity.
我们致力于提高视觉敏锐度。
We don't lack visual acuity, but vision.
我们缺的不是敏锐，而是视野。
The question, then, is how to relate viewing distance to a person's visual acuity.
现在的问题是，怎样将欣赏距离和人们的视觉灵敏度联系起来。
A change in visual acuity is the primary functional outcome measure of this study.
视力变化是本研究结果的主要功能评价指标。
The stage of diabetic retinopathy did not influence final visual acuity.
糖尿病视网膜病变分期对最终视力并无影响。
Objective: To provide a visual acuity chart for Chinese low vision patients.
目的：研制一种适合我国眼科临床使用的低视力对数视力表。
That is right, please look at the visual-chart, let us check the visual-acuity again.
好的，请看视力表，让我们再查一次双眼视力。
Results The visual acuity was just as expected before operation;
结果术后患者的视力均达到预期效果；
Results The visual acuity was just as expected before operation;
结果术后患者的视力均达到预期效果；
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