DEFINITION: It is a painless and chronic inflammation emerging due to the obstruction of the glands at the bottom of the eyelash. Infection is not always present, if present however, it is called internal hordeolum.

Figure 1. A chalazion appears on the lower eyelid.

CAUSES AND RISK FACTORS: It is caused by the obstruction of the sebaceous glands and the accumulation of secretion at the obstructed point. The person’s having a stiff secretion and low hygiene are among the risk factors.

FINDINGS: A painless, colorless and hard granuloma is among the findings.

DIAGNOSIS: It is made by biomicroscopic examination. When it is very large, pathological examination may be needed to confirm the diagnosis.

TREATMENT: Although it can be treated with antibiotics at the early period, the general treatment is surgery