RESULTS	LipiFlow resulted in significant improvement ( P < 0.05 ) in MG secretion at 2 and 4 weeks ( mean standard deviation at baseline = 6.3 3.5 ; 2 weeks = 14.3 8.7 ; 4 weeks = 16.7 8.7 ) ; and TBUT at 2 and 4 weeks : ( at baseline = 5.5 2.9 ; 2 weeks = 6.9 5.0 ; 4 weeks = 7.4 5.5 ) .\