In literature, it was not clearly specified whether the peripheral iridotomy could or could not prevent the second acute attack of angle-closure glaucoma.

• 摘要本篇报告四例隅角闭锁性青光眼病患，于接受雷射周边虹膜穿孔术后，经散瞳做眼底检查或服用镇定剂导致第二次急性隅角闭锁性青光眼发作。