Chalazion - clinical fact sheet and MCQ
Overview
A chalazion is a chronic, non-infectious granulomatous inflammation of the eyelid caused by the obstruction of a meibomian gland and subsequent leakage of sebum into the surrounding tissues. This results in a painless, localised eyelid swelling that can persist for weeks to months. Chalazia are more common in adults though may occur at any age. They may arise secondary to blockage of the sebaceous glands of the eyelid caused by conditions such as blepharitis, ocular rosacea, or seborrhoeic dermatitis​.
Diagnosis of chalazia
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