探讨急性闭角型青光眼小梁切除术后发生眼底出血的病因及预后。 方法：对40例55眼急性闭角型青光眼经小梁切除术治疗的患者于术后1d～1wk在直接检眼镜下进行观察。并对发生眼底出血的患者进行跟踪观察。 结果：发生眼底出血患者50眼视力恢复良好，发生黄斑出血者5眼视力不能恢复。 结论：造成眼底出血的主要原因与眼压突然降低有关，大多预后较好

To explore etiology and prognosis of retinal hemorrhage after trabeculectomy of acute angle-closure glaucoma. METHODS: Fourty cases (55 eyes) of acute angle-closure glaucoma were observed under direct ophthalmoscope 1 day- 1 week after trabeculectomy,and the patients with retinal hemorrhage were followed up. RESULTS:Eyesight recovered well in the 50 eyes with retinal hemorrhage and eyesight was not restored in the 5 eyes with macular hemorrhage.- CONCLUSION:The main reason for retinal hemorrhage is related with intraocular pressure sudden drops. Most of the prognosis are good.