A patient comes into the clinic reporting pain in her O.D. On examination, the nurse sees a pustule at the lid margin that is painful to touch, red, and swollen. What is the correct term for this finding?

A) Chalazion
B) Hordeolum
C) Blepharitis
D) Dacryocystitis

Hordeolum

A common eyelid infection, also known as a stye, characterized by a painful, red lump near the edge of the eyelid.

Chalazion

A chronic glandular cyst of the eyelid, resulting from the obstruction and inflammation of a meibomian gland, often presenting as a painless swelling.

Blepharitis

Inflammation of the eyelid margins, often causing redness, itching, and dandruff-like scales on eyelashes.