名词短语
中文翻译：盲人的视力
同义词：
['blindness', 'vision', 'sight']
例句：
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1. The doctor told him that he had lost his sight in one eye.
医生告诉他他一只眼睛失明了。
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2. She was able to see clearly with her new glasses.
她戴着新眼镜能看得很清楚。
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3. The old man could not see very well, but he still enjoyed watching the sunset.
老人视力不好，但他仍然喜欢看日落。