cataracts
... castration 去势治疗 Cataracts 白内障 catechin 儿茶酸 ...
[眼科] cataract
... blindness[blaindnis]n.失明 cataract[ktrkt]n.白内障 trachoma[trkum]n.【医】沙眼;颗粒性结膜炎 ...
cataract operations were carried out for impoverished patients
眼科 congenital cataract ; Pseudophakic eyes ; congenital ; congenitl ctrct
diabetic cataract ; dibetic ctrct
凡是各种原因如老化,遗传、局部营养障碍、免疫与代谢异常,外伤、中毒、辐射等,都能引起晶状体代谢紊乱,导致晶状体蛋白质变性而发生混浊,称为白内障,此时光线被混浊晶状体阻扰无法投射在视网膜上,导致视物模糊。多见于40岁以上,且随年龄增长而发病率增多。