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1857年Albre ht von Graefe发现虹膜切除术是青光眼的有效治疗方法。以后虹膜切除术得到了广泛的应用,但是这中间有个发展的过程。第一个困难是手术方法问题。在1920年以前,眼科医师认为虹膜切除的作用在于使房角开放,所以应该作得尽量宽大而且尽量接近周边。这就要求用线状刀作宽大的切口。在前房浅与眼压高的情况下这是很危险的,时常发生出血与眼内容物突出,远非今日虹膜切除方法安全可靠。第二个问题是有些医师认为虹膜切除术的作用只是外引流,他们觉得切口是关键的步骤,虹
In 1857 Albrecht von Graefe discovered that iridectomy is an effective treatment for glaucoma. After the iridectomy has been widely used, but there is a process of development in the middle. The first difficulty is the surgical method. Before 1920, ophthalmologists thought the role of iridectomy was to open the corners of the room, so they should be as generous as possible and be as close to the periphery as possible. This requires a linear knife for large incision. In the anterior chamber shallow and high intraocular pressure in the case of this is very dangerous, frequent bleeding and prominent intraocular contents, far from today’s iris resection method is safe and reliable. The second problem is that some doctors think that the effect of iridotomy is only the external drainage, they think the incision is the key step, the rainbow