higher in patients with obstructive MGD than in control subjects (P .001, P=.004, P=.001, P .001, P=.001, and P .001, respectively). Both the upper and lower tarsal conjunctival temperatures had a significant negative correlation with the ocular symptom score (R= 0.7325, P .001; R= 0.6356, P .001, respectively), eyelid margin score (R= 0.6126, P .001; R= 0.4707, P=.004, respectively), superfici...