Slight amounts of astigmatism usually don't affect vision and don't require treatment.
轻微的散光不会影响到视觉，也无需治疗。
The aberration by the human eye optical structure to affect vision quality are mainly reviewed.
重点分析了由眼球的屈光介质引入的光学像差对人眼视觉质量的影响。
Cataracts can affect your vision.
白内障会影响你的视力。
Cataracts can affect your vision.
白内障会影响你的视力。
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