病例资料患者男,49岁,农民。主诉右眼长“翳肉”,发现已四年余。开始发现右眼内眦角有红丝,逐渐长大。近一年来向“黑眼珠”生长,除稍有异物感外,无其他自觉症状。无手术及外伤史。眼部检查:两眼睑、泪器均正常,左眼鼻侧珠结膜有翼状肉膜样组织伸入角膜缘内3mm,其体部充血肥厚,头部隆起,位于头部前方的 Case information Male patient, 49 years old, farmer. The main complainant right eye “pterygium” and found that more than four years. Began to find the right eye inside the red triangle, gradually grow up. Nearly a year to “black eye” growth, with a slight foreign body sensation, no other symptoms. No history of surgery and trauma. Eye examination: both eyelids, lacrimal apparatus were normal, the left nasal bead-shaped conjunctiva membrane into the limbic limbal limbal limbal 3mm, the body congestion and hypertrophy, head bulge, located in front of the head