“…Studies have reported that the volume (20), stability, lipid layer (21) and surface activity (22) of tears in SS patients decreased, while tear film evaporation (23), ocular surface damage (22) and symptoms of DED (8) increased. Researches also revealed that the meibomian glands have decreased expression and quality (24), and meibomian gland dropout and dysfunction are increased in subjects with Sjogren's Syndrome (10,21). However, up to now, no study has unveiled the relationship between the two important glands that were closely associated with dry eye, lacrimal and meibomian glands, in pSS patients.…”