患者，女，４０岁，工人。自觉外阴部瘙痒半月余，曾用手抓挠。近几日来右眼奇痒难忍，自用氯霉素眼药水无效，后患者自已发现在眼睫毛根部有针尖大的虫体蠕动，急来北医三院就诊，医生检查后即带患者来北医大寄生虫学教研室鉴定。眼检：右眼睑缘充血，眼球无特殊异常，眼睫毛 Patient, female, 40 years old, worker. Pruritus Genital itching more than half a month, had scratched his hand. In recent days, itchy eyes uninhibited use of chloramphenicol eye drops ineffective, after the patients themselves found in the root of the lashes there are needle-tip large worms peristalsis, acute medical treatment to the Third Hospital, the doctor checks with patients to the north Medical College of Parasitology Department identified. Eye examination: right eyelid congestion, no abnormal eye, eyelashes