1 临床资料 患者,男,20岁,飞行学员。因低头后右眼球胀痛5年,近一年来加重并伴有眼球突出,于1995年3月4日入院,病人否认外伤史及其它病史。查体:视力右1.2,左1.2,立位时双眼对称,眼球运动自如,外眼、屈光间质、眼底检查均正常。低头试验:头低位1 min后 1 clinical data patients, male, 20 years old, flight student. After bowing for 5 years due to pain in the right eyeball, aggravating the past year and accompanied by prominent eyeballs, was admitted on March 4, 1995, and the patient denied the history of trauma and other medical history. Physical examination: visual acuity 1.2, left 1.2, standing when the eyes symmetrical, eye movements freely, the outer eye, refractive media, fundus examination are normal. Bow test: head low after 1 min