A vascular plexus is found between the bulbar conjunctiva and the sclera consisting of two layers of vessels, the superficial episcleral vessels and the deep episcleral vessels.
In episcleritis, the episclera and Tenon's capsule are infiltrated with inflammatory cells.
- Cassin, B. and Solomon, S. Dictionary of Eye Terminology. Gainesville, Florida: Triad Publishing Company, 1990.
- Heath, G. "The episclera, sclera and conjunctiva: An overview of relevant ocular anatomy." Archived 2013-05-13 at the Wayback Machine OT. February 10, 2006.