2020–2021 BCSC Basic and Clinical Science Course™
4 Ophthalmic Pathology and Intraocular Tumors
Part I: Ophthalmic Pathology
Chapter 13: Eyelids
Inflammation
Noninfectious Inflammatory Disorders
Chalazion
A chalazion is a chronic, often painless nodule of the eyelid that develops when the lipid secretions of the meibomian glands or, less often, the glands of Zeis are discharged into the surrounding tissues, inciting a lipogranulomatous reaction (Fig 13-7).
Excerpted from BCSC 2020-2021 series: Section 4 - Ophthalmic Pathology and Intraocular Tumors. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.