Coleman S L, Green W R, Patz A
Am J Ophthalmol. 1977 Jun;83(6):881-3. doi: 10.1016/0002-9394(77)90919-9.
A 71-year-old woman complained of "smoky" vision, which was found to be caused by a hyphema with blood dripping from a vascular tuft located in the 12 o'clock meridian of the iris. Fluorescein angiography delineated vascular tufts and argon laser photocoagulation eradicated one of the tufts that bled. Histopathologic studies of iris obtained at the time of cataract extraction showed an aggregate of small vessels at the pupillary margin. Most patients with vascular tufts of the pupillary margin have no systemic disease but they are also observed in diabetes mellitus and myotonic dystrophy.
一名71岁女性主诉视物有“烟雾感”，检查发现是前房积血所致，血液从位于虹膜12点方位的血管丛滴出。荧光素血管造影显示了血管丛，氩激光光凝消除了其中一个出血的血管丛。白内障摘除时获取的虹膜组织病理学研究显示，瞳孔边缘有一小簇小血管。大多数瞳孔边缘血管丛患者无全身性疾病，但在糖尿病和强直性肌营养不良患者中也可观察到。
