Chalazion vs Hordoleum
- Chalazion (Internal Hordeolum): Infection and inflammation of the
Meibomian glands
- External Hordeolum (Stye): Infection and inflammation of the glands of
Zeis or Moll

Chalazion (doesn't hurt)
- Chronic lipogranuloma of the meibomian gland
- Firm, slow-growing, nontender nodule in the lid
- Course: Usually self-resolve with warm compresses; If persistent require
resection by ophtho
Hordeolum (infection: redness, pain)
- Inflammation or infection (usually staph) of a sebaceous gland of the
eyelid
- +Signs of inflammation: Erythema, edema, tenderness
- Treatment: Warm compresses, +/- antibiotic ointment and I&D
CHLA Board Review 2005