“…Although the exact mechanism of action remains unknown, many studies since then have reported significant improvements in dry eye symptoms, tear break-up times, lipid layer grade and thickness, and/or meibomian gland function, with limited adverse events. 2,[15][16][17][18][19][20][21][22][23] These studies have used a variety of IPL devices, including M22™ (Lumenis, Israel), 17,20,22 Quadra Q4 (DermaMed Solutions, USA), 2,14 E>Eye (E-SWIN, France), 15,16,18,21 and customized treatment protocols, ranging in energy levels, treatment frequencies, number of treatment sessions and treatment durations.…”