A chalazion is a benign cyst arising from the Meibomian glands of the eyelids (within the tarsal plate). These glands produce an oily secretion that forms part of the tear film. A chalazion results from obstruction of a Meibomian gland and accumulation of its contents.
Frequently asked questions
What are the symptoms of a chalazion?
In the acute phase, a chalazion presents as an inflamed eyelid swelling: the lid is swollen, red and painful. In the chronic phase, a more or less inflamed cystic lesion remains.
Who is at risk of developing a chalazion?
Anyone can be affected, although chalazia develop more frequently on inflamed eyelids: chronic blepharitis, sometimes associated with rosacea. In children they can occur with uncorrected hyperopia or astigmatism.
How is a chalazion treated?
First-line treatment is medical: eyelid care and anti-inflammatory ointment. Eyelid care is essential and consists of massaging the eyelid while applying warmth (warm compresses), daily. If the chalazion persists despite well-conducted medical treatment, surgical treatment may be necessary. The procedure is performed under local anaesthesia in the office: an incision through the tarsus (inside the eyelid) removes the chalazion.
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