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. 2014 Sep 11;9(9):e107370. doi: 10.1371/journal.pone.0107370

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© 2014 Gao et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Ocular surface parameters, including Corneal fluorescein (FL) staining, tear break-up time (TBUT), Schirmer I test (SIT), ocular surface disease index (OSDI) and central corneal sensitivity, were compared between patients undergoing ReLEx smile and FS-LASIK. ▴: significant differences between ReLEx smile and FS-LASIK. *: significant differences compared with preoperative level.