nystagmus against rule

例句：

1. 1. The patient had a sudden onset of nystagmus during the examination.
   病人在检查时突然发生了眼球震颤。
2. 2. The patient's nystagmus was causing him significant discomfort.
   患者的眼球震颤给他带来了很大的不适。
3. 3. The doctor suspected that the patient might have a neurological disorder, which could be associated with nystagmus.
   医生怀疑患者可能有神经系统疾病，这可能与眼球震颤有关。