干眼症(keratoconjuctivitis sicca,KCS)是指以液性泪液产生减少,黏液分泌异常和睑板腺功能障碍等各种原因引起的泪液膜液性成分的绝对和相对缺乏,眼表泪液分布异常,泪液蒸发增加为共同特征的综合征。有研究发现绝经后妇女干眼症的发病率明显升高,因而推测干眼症的发生可能与雌 Dry eye syndrome (keratoconjuctivitis sicca, KCS) refers to the absolute and relative lack of liquid components of the tear film caused by various reasons such as decreased production of liquid tear, abnormal mucus secretion and meibomian gland dysfunction, abnormal distribution of ocular surface tear, Tear vaporization increases as a syndrome of common features. Studies have found that the incidence of dry eye in postmenopausal women was significantly increased, and therefore speculated that the occurrence of dry eye may be related to the female