Moll's gland, located in the eyelids, plays a vital role in maintaining healthy eyes. It secretes an oily substance that helps lubricate the eyes and prevents tear evaporation. There are several synonyms for Moll's gland, including glandulae tarsales, Meibomian gland, and Zeis gland. The glandulae tarsales produces sebum, while the Meibomian gland secretes meibum. The Zeis gland, located near the eyelash follicle, also produces sebum. These glands work together to protect the eyes from environmental stressors and maintain a healthy tear film. Understanding the different names for Moll's gland can help in studying its structure, function, and related eye conditions.