Dry eye is one of the most common and multifactorial disease of the ocular surface that results in ocular discomfort,blurred vision,reduced quality of life,and decreased productivity.Recent advances in our knowledge of the causation of dry eye open opportunities for improving diagnosis,and disease management and for developing new,more effective therapies to manage this widely prevalent and debilitating disease state.In light of the above knowledge,the present article reviews the newer theories and reports on etiology,pathogenesis and management of dry eye. (Chin J Ophthalmol,2013,49:857-863)

Dry eye; Etiology; Pathogenesis; Management