高××女19岁汉族甘肃人。双眼自动排出“石头”,于1987年9月23日上午来我院门诊求治。以往无眼病及其他疾病史,家族中无类似眼病。查体未见异常。视力右.8,近1.2,左0.8近1.0均可用镜片矫正。双眼结膜充血,以下穹窿为甚。当患儿自觉眼发磨时,即可发现从外侧下穹部窿有灰白色楔形物逐渐排出(似从泪腺管排出)。排出物前端稍钝圆而宽,尾端变细而尖,似从 High × × 19-year-old Han Chinese Gansu. Eyes automatically discharge “stone”, in the morning of September 23, 1987 came to our hospital for treatment. No previous history of eye diseases and other diseases, no similar family disease. Physical examination showed no abnormalities. Right vision .8, nearly 1.2, left 0.8 nearly 1.0 are available lens correction. Eyes conjunctival hyperemia, the following vault is even worse. When the child conscious eye wear, you can find from the outer side of the dome hole gradually gray wedge discharge (like discharge from the lacrimal duct). Excrement slightly blunt and wide front, tapering and sharp tail, like from