A chalazion is a small lump in the eyelid. It is similar to
a stye, which is an infection of the edge of the eyelid
caused by bacteria. However, a chalazion is away from the
edge and is usually not caused by bacteria.
How does it occur?
A chalazion occurs when one of the small oil-producing
glands in the eyelid becomes blocked. Oil secretions may
become trapped and cause the lid to swell. The site of the
lump may become infected by bacteria.
What are the symptoms?
Symptoms may include:
- a red lump in your eyelid
- pain near the lump
- swelling of part or all of the eyelid
- rarely, blurred vision.
How is it diagnosed?
Your doctor will examine your eye. He or she may send a
sample of the tissue or fluid from around the lump to a lab
to determine if bacteria are present or if the lump occurs
for other reasons, such as cancer. Be sure that you tell
your doctor if you have any changes in your vision.
How is it treated?
Sometimes a chalazion will go away without treatment.
Usually, you will need to apply hot compresses to the closed
eyelid. A compress is a clean washcloth moistened with hot
water. You may need to apply hot compresses for at least 10
to 15 minutes at a time, 3 to 4 times a day, for several
days. The moist heat helps to reduce inflammation and may
help remove the plug that is blocking the oil gland.
If compresses do not relieve your symptoms, your doctor may
prescribe steroids in the form of eyedrops or shots into the
lump. Other treatment may include antibiotics in the form
of eyedrops, ointment, pills, or shots.
If the chalazion is still present after 6 weeks, an
ophthalmologist (a medical eye doctor) may need to remove
the lump during minor surgery. The surgery is generally
safe and effective.
How long will the effects last?
Usually the symptoms are gone in 6 weeks. Some people have
chalazions frequently and may need to take medicine all the
time.
How can it be prevented?
You may be able to help prevent chalazions from recurring by
using warm compresses and, in severe cases, medicines such
as doxycycline.
Reviewed and approved by the Wilmer Eye Institute of The Johns Hopkins
Medical Institutions, Baltimore, MD. Web site: http://www.wilmer.jhu.edu


Disclaimer: This content is reviewed periodically and is subject to
change as new health information becomes available. The
information provided is intended to be informative and educational and is not a
replacement for professional medical evaluation, advice, diagnosis or
treatment by a healthcare professional.
HIA File eye4213.HTM Release 9.0/2006. Copyright © 2006 McKesson Corporation and/or one of its subdiaries. All Rights Reserved.
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