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Time course of Snellen best–corrected visual acuity (BCVA) and Ocular Surface Disease Index (OSDI) score in the intense pulsed light (IPL)–meibomian gland expression (MGX) and control groups. (A) Changes of BCVA before and after treatment. (B) Changes of OSDI score before and after treatment. All follow–up assessments were compared to baseline (time 0) values (* p < 0.05, ** p < 0.001).
