1　临床资料患者 ,女 71a,因双眼视物模糊 3a加重 6 m o入院 ,诊断为双眼老年性白内障 ,曾于 1994年 6月在外院行双眼抗青光眼手术。入院检查 ;生命体征正常 ,全身检查无异常。眼部 :右眼视力 0 .0 8,12点处球结膜下弥漫性滤枕 ,虹膜根部小缺损可见 ,瞳孔圆 ,直径 3m m ;左眼视 1 clinical data, female 71a, due to blurred binocular 3a increased 6 m o admission, diagnosis of binocular senile cataract, who had in June 1994 in the hospital outside the hospital line of bilateral glaucoma surgery. Admission examination; vital signs normal, no abnormalities in the whole body examination. Eye: visual acuity 0. 0 8,12 at the ball subconjunctival diffuse filter pillow, iris root small defects can be seen, pupil circle, diameter 3m m; left eye as