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By practicing this exercise daily, the retina will be gradually accustomed to brighter light. Progressively your eye can function efficiently at any range of light intensities.

通过每天的锻炼，视网膜能够逐渐适应较强的光线，你的眼睛逐渐地能够在较大范围的光线强度内正常工作。

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This exercise will strengthen your focussing skills and your eye muscles in general.

这项眼操通常会增强你集中注意力的能力和眼肌肌力.

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The focus was on their exercise habits and eye health rather than being a scientific study of eye cells.

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And that, rather than the details of this bionic-eye lens, is the real point of the exercise.

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In the second part, another 59 subjects, wearing eye-tracking devices, watched short video clips of the problem-solving exercise.

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