The glands of Zeis are small sebaceous glands that open into the eyelash follicles, and the glands of Moll are modified apocrine sweat glands that open near them on the lid margin. Together they lubricate the lashes and lid edge. They are distinct from the larger meibomian glands deeper in the tarsus.
| Location | Eyelid margin, associated with the eyelash follicles |
|---|---|
| Parts |
|
| Nerve Supply | Autonomic fibres in the lid |
| Blood Supply | Marginal palpebral arcades |
Lubricate the eyelashes and lid margin and contribute small amounts of secretion to the tear film.
Infection of these glands produces the common external stye, a painful pus-filled bump at the lash line. Blocked glands of Moll form clear fluid-filled cysts (hidrocystomas). Lid margin hygiene helps prevent recurrent styes.
An acute staphylococcal infection of a gland of Zeis or Moll at the lash base, forming a tender red swelling that usually points and drains.
A small, translucent, fluid-filled cyst on the lid margin from a blocked apocrine gland of Moll; it is harmless and can be excised.
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