目的:探讨LASIK术后干眼症产生的原因。方法:选取2008-01/2011-01就诊于门诊的LASIK术后干眼症患者122例244眼。通过检查视力、泪液分泌试验(SchirmerⅠtest,SⅠt)、干眼症问卷调查,并在15min后用裂隙灯检查眼前节,进行泪膜破裂时间(BUT)及荧光素(FL)染色检查。结果:干眼症患者最常见的症状是视疲劳,其占总人数的88.5%,干涩者75例(61.5%),视力波动者93例(76.2%),异物感者84例(68.9%),眼痒者83例(68.0%)。结论:LASIK术后干眼症病因有角膜完整性破坏、神经缺失,术后未能定期复查。

AIM:To analyze the causes of dry eye syndrome after LASIK.METHODS:During January 2008 to January 2011,122 patients (244 eyes) who were diagnosed dry eye syndrome in outpatient clinic were selected.Patients were performed the examination of visual acuity,Schirmer Ⅰ test (SⅠ t),dry eye questionnaire,and 15minutes later examining the anterior segment with slit lamp,the tear breakup time (BUT) and fluorescein (FL) staining.RESULTS:The most common symptoms of dry eye patients was visual fatigue,accounting for 88.5% of total number;dry eye in 75 patients,accounting for 61.5%;vision fluctuation in 93 patients,accounting for 76.2%;foreign body sensation in 84 patients,accounting for 68.9%;itching eyes in 83 patients,accounting for 68.0%.CONCLUSION:The causes of dry eye syndrome after LASIK are cornea integrity damage,nerve missing and failed follow-up after LASIK.

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