The sclera is the tough, relatively avascular outer shell of the eye.
Inflammation may occur in the sclera either focally or diffusely and is often granulomatous in nature.
The sclera can thin for a variety of reasons, resulting in staphyloma formation.
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.