This article covers the history, definition, clinical evidence, mechanisms, and safe delivery of Intense Pulsed Light (IPL) for dry eye disease caused by meibomian gland dysfunction (MGD), showing that IPL can improve tear film stability, soften meibum, reduce inflammation, and target Demodex and abnormal eyelid vessels. This is part 2 of this series, following part 1, 'Let There Be Light: Understanding Dry Eye and Using Light in Eye Care'.