目的:研究干眼症的病因,为干眼症的诊断提供依据,减少误诊的发生。方法:回顾性分析83例确诊为干眼症的患者的发病原因,并分析其中16例发生误诊的病例。诊断方法为依据干眼症症状、泪膜稳定性下降、泪液分泌减少及眼表损害等表现,并按一定的诊断步骤进行。结果:干眼症患者83例中最常见的原因是视屏终端综合征24例(29%)、慢性睑缘炎12例(14%)、干燥综合症12例(14%)。有10例误诊为慢性结膜炎,有2例误诊为病毒性角膜炎,另有4例干眼症的病因诊断错误。结论:干眼症的发病原因虽不是诊断干眼症的必备条件,但认识并积极寻找干眼症的病因可以为诊断提供依据,同时也可减少误诊的发生。

AIM:To research into the etiology of dry eye to supply evidence,which the diagnosis is based on,to decrease the misdiagnosis.METHODS:The causes of 83 patients with dry eye were reviewed,of which 16 patients were misdiagnosed.According to the symptoms,less stability of tear film,decreased secretion of tear and damage on the surface of eyeball,diagnosis was made systematically.RESULTS:The most common causes were video display terminal syndrome(29%),followed by chronic blepharitis(14%),Sjogren’s syndrome(14%).10 patients were misdiagnosed for chronic conjunctivitis,2 patients were misdiagnosed for viral keratitis,and other 4 patients were misdiagnosed for etiology of dry eye.CONCLUSION:Although these causes do not induce dry eye essentially,understanding and searching for them constructively supplies evidence to diagnosis and reduces misdiagnosis.

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