Iris cyst associated with topical administration of latanoprost.

PURPOSE: To report an adverse side effect associated with topical latanoprost usage.

METHOD: Case report. A 76-year-old woman with primary open-angle glaucoma developed an iris cyst 5 weeks after beginning treatment with latanoprost. Clinical examinations and slit-lamp photographs were performed.

RESULTS

Latanoprost was discontinued. Periodic examinations disclosed that the iris cyst gradually diminished and finally disappeared within 3 weeks.

CONCLUSION

The formation of an iris cyst is a possible complication of topical latanoprost therapy.