名词
中文翻译：正视
同义词：
['correct vision', 'upright vision例句：1. The patient was able to see clearly after the surgery.（手术后，患者能够清晰地看到。）2. She had a clear emmetropia and could see far away.（她的正视视力很好，可以看到远处的东西。）']
例句：
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1. The patient was able to see clearly after the surgery.
手术后，患者能够清晰地看到。
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2. She had a clear emmetropia and could see far away.
她的正视视力很好，可以看到远处的东西。
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3.Doctors recommend that everyone should have an emmetropia of at least 6/60 for good eyesight.
医生建议每个人都应该有至少6/60的正视视力，以保证良好的视力。