扩瞳偶然可引起房水内色素过剩释放,有时合并一时性眼压升高。此现象可发生于滴用抑交感神经药物的老年正常眼,但青光眼较常见,也特别出现于色素扩散和剥脱综合征患者。作者报告一例已控制的原发性开角青光眼,双侧瞳孔扩大后,引起明显的色素扩散和顽固性眼压增 Pupil occasionally can cause atrial excess release of pigment, sometimes combined with temporary intraocular pressure increased. This phenomenon can occur in the elderly with drops of sympathomimetic drugs in normal eyes, but glaucoma is more common, but also especially in patients with pigment diffusion and exfoliation syndrome. The authors report an example of controlled primary open-angle glaucoma, bilateral pupil dilation, causing significant pigmentation and intraocular pressure refractory