Sheppard John D
Manag Care. 2003 Dec;12(12 Suppl):20-5.
Keratoconjunctivitis sicca (KCS), also known as dry eye syndrome, dry eye disease, chronic dry eye disease, or keratitis sicca, refers to disorders of the tear film caused by reduced tear production, poor tear quality, or excessive tear evaporation. These disorders are associated with such symptoms of ocular discomfort as irritation, foreign body sensation, or redness, and may cause disease of the ocular surface.
干燥性角结膜炎（KCS），也被称为干眼综合征、干眼病、慢性干眼病或角膜干燥症，是指由泪液分泌减少、泪液质量差或泪液过度蒸发引起的泪膜紊乱。这些紊乱与眼部不适症状如刺激感、异物感或发红有关，并可能导致眼表疾病。
