名词
中文翻译：视力调整
同义词：
['vision adjustment', 'visual correction例句：1. The patient needed a sight adjustment to correct his vision.（病人需要视力调整来纠正他的视力。）']
例句：
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1. The patient needed a sight adjustment to correct his vision.
病人需要视力调整来纠正他的视力。
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2. The doctor advised the patient to undergo a sight adjustment before surgery.
医生建议患者在手术前进行视力调整。
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3.After adjusting his glasses, the student was able to see clearly.
调整了他的眼镜后，学生能够清楚地看到。