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Tear IGF-1 levels were correlated to dry eye status. (A) There was a strong correlation between Schirmer’s score and tear IGF-1 (R=0.738, P=0.0365, Pearson’s correlation coefficient). (B) Likewise, there was also a strong correlation between tear film break up time and tear IGF-1 (R=0.826, P=0.0219, Pearson’s correlation coefficient).
