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Zhonghua Yan Ke Za Zhi. 2012 Mar;48(3):282-5.

[Abnormal of tear lipid layer and recent advances in clinical study of dry eye].

[Article in Chinese]

Author information

  • 1Eye Institute of Xiamen University, Department of Ophthalmology, the First Affiliated Hospital of Medical College of Xiamen University, Xiamen 361000, China.


Dry eye is a common disease in the ophthalmological clinic, which is related to the dysfunction of tear film. The tear film is composed of lipid layer, aqueous layer and mucin layer (or lipid layer, aqueous/mucin layer). The lipid of the outmost layer derived from Meibomian gland and distributed on the tear film after blinking can decrease the evaporation and stabilize the tear film. The thickness, quality, and distribution of lipid layer are impaired in many dry eye patients, hence restoring the physiological function of lipid layer may be crucial for the treatment of this kind of dry eye. The lipid artificial tears manifest great effects on increasing lipid layer thickness, stabilizing tear film, improving Meibomian gland dysfunction, and promoting tear film distribution.

[PubMed - indexed for MEDLINE]
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