Tags: Anatomical Structure.

The meibomian glands (or tarsal glands) are a special kind of sebaceous gland at the rim of the eyelids inside the tarsal plate responsible for the supply of meibum an oily substance that prevents evaporation of the eye’s tear film. Meibum prevents tear spillage onto the cheek trapping tears between the oiled edge and the eyeball and makes the closed lids airtight. There are approximately 50 glands on the upper eyelids and 25 glands on the lower eyelids.

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