名词
中文翻译：视觉缺陷
同义词：
['visual impairment', 'visual impairments']
例句：
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1.The patient had a visual defect in his left eye.
患者左眼有视觉缺陷。
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2.The researcher found that many people have visual defects due to poor lighting conditions.
研究者发现，由于照明条件不佳，许多人都有视觉缺陷。
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3. The doctor advised the patient to get regular vision tests to detect any potential visual defects.
医生建议病人定期进行视力测试，以检测任何潜在的视觉缺陷。