Meibomian Cysts (Chalazia)
A chalazion, or meibomian cyst, is a benign lipogranulomatous inflammation of the meibomian glands lining the tarsal plate of the eyelid. It is caused by lipid blockage of the gland duct, causing a pea-like swelling. Patients usually present when the lump becomes symptomatic, either because of cosmetic reasons or, if the chalazion is of a considerable size, because it is causing ptosis, astigmatism, and/or vision loss. If left untreated, chalazia may resolve over many months. A warm compress can be applied over the cyst to allow the oils to liquefy and flow properly. The cyst should be massaged daily for about 1 minute following the warm compress. If this does not work or the cyst is too large, surgery on the everted eyelid may be required.[6,11]
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Cite this: Managing Common Eye Conditions in the Pharmacy - Medscape - Apr 01, 2010.