| Summary points: | An 87-year-old with longstanding stable, primary, open-angle glaucoma presents with exfoliation material on the anterior lens capsule and papillary margin in the left eye. This case report describes the clinical presentation, diagnostic tests, and treatment outcome, and includes some images. The authors describe the signs of primary open-angle glaucoma, recent advances in the understanding of this disease, and the association between exfoliation syndrome and systemic events. |