名词
中文翻译：散光
同义词：
['astigmatism', 'irregular astigmatism', 'irregular myopia']
例句：
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1. She had a very bad case of astigmatism and couldn't see clearly.
她有非常严重的散光，看不清楚。
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2. The patient was diagnosed with astigmatism and required corrective lenses.
病人被诊断为散光，需要配戴矫正眼镜。
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3. Astigmatism is a condition that affects the way light enters the eye and canlead to blurry vision.
散光是一种影响光线进入眼睛的方式并可能导致视力模糊的情况。