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Correlation between the differences in temperature and changing rates of blood flow in the (A) upper eyelid skin (Pearson’s correlation coefficient, r = 0.467, p < 0.01); (B) lower eyelid skin (Pearson’s correlation coefficient, r = 0.313, p < 0.05); (C) palpebral (Pearson’s correlation coefficient, r = 0.635, p < 0.01) conjunctiva; and (D) bulbar conjunctiva (Pearson’s correlation coefficient, r = 0.313, p < 0.05).
