Chalazion

Definition

A chalazion is a painless, localized swelling of the eyelid caused by a blocked meibomian gland. It can sometimes become inflamed or infected, requiring medical intervention.

5 Must Know Facts For Your Next Test

1. Chalazions are typically treated with warm compresses to help unblock the meibomian gland.
2. Unlike styes, chalazions are usually not painful unless they become infected.
3. In persistent cases, a chalazion may require surgical drainage or corticosteroid injections.
4. Topical antibiotics are generally ineffective for treating chalazions as they are not caused by bacterial infections.
5. Pharmacological management includes anti-inflammatory agents if inflammation occurs.

Review Questions

• What is the primary cause of a chalazion?
• How does the treatment of a chalazion differ from that of a stye?
• Why are topical antibiotics generally not recommended for treating a chalazion?

Related terms

Hordeolum (Stye): A painful, acute infection of the eyelid's oil glands, usually caused by bacteria.

Meibomian Gland: Sebaceous glands located in the eyelids responsible for secreting oils that lubricate the eye.

Blepharitis: Inflammation of the eyelid margins often associated with irritation and redness.