患者，男，４８岁。因持续头部胀痛伴恶心呕吐７天，于２０００年７月２７日入院。无寒战及发热，无抽搐及意识障碍，既往无界窦炎史。检查：神志清晰，一般状况可，双侧瞳孔等大等圆，直接、间接光反射灵敏，双侧眼球活动自如，粗测视野无缺损，双侧眼底检查未见异常，余神经 Patient, male, 48 years old. He was admitted to the hospital on July 27, 2000 due to persistent head pain and nausea and vomiting for 7 days. No chills and fever, no convulsions and disturbance of consciousness, history of previous unbounded sinusitis. Examination: Consciousness, general condition, bilateral equal pupillary, direct and indirect light reflexes, free movement of the bilateral eyeball, no defect in the crude measurement field, no abnormality in bilateral fundus examination