名词
中文翻译：眼球震颤
同义词：
['ocular', 'nystagmus']
例句：
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1.He had a saccadic eye movement when he was trying to focus on the screen.
他试图聚焦屏幕时出现了眼球震颤。
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2. The patient's eyes were saccadic during the examination.
在检查过程中，患者的眼球出现了震颤。
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3. Doctors often use saccadic movements to diagnose eye diseases.
医生经常使用眼球震颤来诊断眼部疾病。