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The effects of preoperative contact lens wear on tear film function after laser in situ keratomileusis
Author(s): 
Pages: 219-221
Year: Issue:  3
Journal: CHINESE JOURNAL OF OPTOMETRY & OPHTHALMOLOGY

Keyword:  角膜磨镶术激光原位/方法泪膜角膜接触镜;
Abstract: 目的 了解术前配戴角膜接触镜对准分子激光原位角膜磨镶术(laser in situ keratomileusis.LASIK)术后泪膜功能的影响.方法 对120例(240眼)近视患者行双眼LASIK手术,将研究对象分为对照组(LASIK术前从未配戴角膜接触镜者)和配镜组(LASIK术前连续配戴角膜接触镜时间>2年者),各60例(120眼),采用双盲法对照研究.观察LASIK前后Schirmer Ⅰ试验(Schirmer Ⅰ test.SIt)和泪膜破裂时间(Break-up time,BUT),比较两组间差异是否有统计学意义.结果 SIt测量结果:术前、术后第1周、第1个月、第3个月,对照组分别为(18.13±7.48)mm,(14.20±7.81)mm,(16.76±7.38)mm,(17.24±8.06)mm;配镜组分别为(14.77±8.49)mm,(9.88±7.50)mm,(13.09±8.23)mm,(13.90±7.87)mm.两组在各时间点比较差异均有显著性(P
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