from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A cyst of a tarsal gland.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A cyst in the eyelid, caused by inflammation of a blocked meibomian gland.

from the GNU version of the Collaborative International Dictionary of English

  • n. A small circumscribed tumor of the eyelid caused by retention of secretion, and by inflammation of the Melbomian glands.

from The Century Dictionary and Cyclopedia

  • n. In pathology, a transparent swelling on the eyelid, due to inflammation of a Meibomian gland with obstruction of its duct. Also chalaza.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a small sebaceous cyst of the eyelid resulting when a Meibomian gland is blocked


Greek khalazion, diminutive of khalaza, hard lump, hailstone.
(American Heritage® Dictionary of the English Language, Fourth Edition)


  • Blepharitis is inflammation of the edges of the eyelids; conjunctivitis is inflammation of the membrane that lines the eyelids and connects to the eyeball; iritis is inflammation of the iris; scleritis is inflammation of the white part of the eyeball, uveitis is inflammation of the pigmented inner parts of the eye; a sty is an inflammation of an oil-secreting gland on or near the edge of an eyelid; a chalazion is a small, hard tumor that forms on the edge of an eyelid.


  • At doing whatever research I could, I came up with the possibility that this could be a chalazion ...

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  • Acute pain associated with a lid lesion such as a chalazion is not an emergency situation.

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  • This patient was a 25-year-old woman whose eye was penetrated with a 27-gauge needle during an attempt to anesthetize the eyelid for chalazion removal.

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  • Occasionally, a chalazion can cause the entire eyelid to swell suddenly.

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  • Antibiotic ointments may be prescribed if bacteria infect the chalazion.

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  • Steroid injections (usually cortisone) are sometimes used to reduce the inflammation of a chalazion.

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  • Soak a clean washcloth in hot water and apply the cloth to the lid for 10 to 15 minutes, three or four times a day until the chalazion is gone.

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  • Sometimes, however, a chalazion may become red, swollen and tender.

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  • A larger chalazion may also cause blurred vision by distorting the shape of the eye.

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