· Excimer laser has been applied to nonpenetrating glaucoma surgery ( NPGS) creatively and achieved satisfactory efficacy in decreasing intraocular pressure ( IOP), because of its 'characteristics such as accurate ablation and without lesion at peripheral tissue. 准分子激光因其切削精确、几乎无周围组织损伤等特点被创造性地应用于非穿透性青光眼手术中且获得了满意的降眼压效果。