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虹膜周边切除术如根部切除不彻底,则部分房角不能完全开放,难于降低眼压;如继发虹膜炎,于切除部位易发生虹膜粘连,而使手术失败。全幅切除术因瞳孔扩大而常有不适感。虹膜根部广泛切除术,因虹膜根部的组织薄弱,易发生根部离断,故手术时虹膜切除彻底、效果较好,又可保持圆瞳孔。适用于①青光眼急性发作在24小时之内;②慢性窄角型青光眼发作间歇期,C 值已正常,房角无粘连或粘连范围小于1/2。闭角型青光眼晚期;出血性青光眼或一般虹膜周边切除术即可获效者不适用。
Peripheral iris resection such as radical resection is not complete, then part of the angle can not be completely open, it is difficult to reduce intraocular pressure; such as secondary iritis, prone to iris adhesions in the resection site, leaving the surgery failed. Full-size excision often due to pupil discomfort. Extensive resection of the iris root, due to weak tissue of the root of the iris, prone to rupture of the root, it is completely iris resection surgery, the effect is better, but also keep a circular pupil. Apply to ① acute glaucoma within 24 hours; ② intermittent chronic narrow-angle glaucoma episodes, C value has been normal, corner no adhesions or adhesions in the range of less than 1/2. Angle closure glaucoma late; hemorrhagic glaucoma or peripheral iridectomy can be effective who do not apply.