作者对1299名接受PUVA治疗的银屑病患者进行了5年的眼科学前瞻性研究,在研究中发见病人晶状体异常的发病率随年龄而增加。在52岁以下组,最初晶状体异常的发病不到10％。观察5年以后,发病率基本不变。但75岁以上的患者,晶状体异常的发病率从66％增加到72％。在研究期中,有60名新的(占4.6％)自内障患者被发见。其中有35名患者在开始治疗时晶状体、视力正常。另外25名 The authors conducted a 5-year prospective ophthalmologic study of 1,299 Psoriatic patients with psoriasis and found that the incidence of lens abnormalities increased with age in the study. In the 52-year-old group, the initial onset of lens abnormalities was less than 10%. After 5 years of observation, the incidence rate remained basically unchanged. However, in patients over the age of 75, the incidence of abnormal lens increased from 66% to 72%. During the study period, 60 new (4.6%) patients were seen from cataracts. Thirty-five of these patients had normal vision when they started treatment. Another 25