Chalazion

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chalazion

[kə′lāz·ē·ən]
(medicine)
A small tumor of the eyelid formed by retention of tarsal gland secretions. Also known as a Meibomian cyst.

Chalazion

 

a chronic inflammation in the meibomian glands resulting in the formation of a solid nodule, 5–6 mm or more in size, lodged within the eyelid and deforming it. The nodule sometimes bursts open of its own accord. The condition is treated by applying an ointment of yellow mercury or potassium iodide; when large, the nodules may be removed by surgical means.

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