阎××男20岁工人右眼视力下降2周,于1964年住院。患者父母和同胞弟兄无眼病史。全身检查未见异常。左眼正常。右眼视力0.5(不能矫正),外眼正常。晶体透明,玻璃体有细性混浊,眼压17mmHg。鼻下方视野有象限性缺损。视盘境界清晰,色泽正常,无炎症和充血水肿,但周围有较多绒毛样血管新生,其中有一根特别粗大,从视盘上缘向上生长,直接和血管瘤吻合。颞上枝中央动、静脉呈暗红色异常扩张、纡曲,较正常人扩大4～5倍,越向网膜局边部越明显。静脉呈蛇样走行,动脉则成腊肠样。血管壁反光。在视盘附近,异常的动、静脉相 Yan XX male 20-year-old worker’s right eye decreased 2 weeks, was hospitalized in 1964. Patient parents and siblings without eye history. No abnormalities in the whole body examination. Left eye is normal. Right eye 0.5 (can not be corrected), normal outside eyes. Crystal transparent, fine vitreous opacity, intraocular pressure 17mmHg. Under the nose there is a quadrant defect. The optic disc realm of clear, normal color, no inflammation and congestion and edema, but there are more villous angiogenesis around, including a particularly thick, from the optic disc edge up growth, and hemangiomas directly anastomosis. Temporal branch of the central artery and vein dark red abnormal expansion, Qu song, compared with normal people to expand 4 to 5 times, the more obvious to the edge of the omentum. Veins showed a snake-like line, the artery becomes a sausage-like. Reflex vascular wall. In the vicinity of the disc, the abnormal movement, venous phase