2020–2021 BCSC Basic and Clinical Science Course™
2 Fundamentals and Principles of Ophthalmology
Part I: Anatomy
Chapter 1: Orbit and Ocular Adnexa
Lymphatics of the Eyelids
Lymphatic vessels are present in the eyelids and conjunctiva, but neither lymphatic vessels nor nodes are present in the orbit. Lymphatic drainage from the eyelids parallels the course of the veins (Fig 1-37). There are 2 groups of lymphatics:
Figure 1-37 Lymphatic drainage (green) of the eyelid and conjunctiva. The medial drainage is received by the submandibular lymph node (Sm); the lateral drainage, by the preauricular lymph node (Pre).
(Illustration by Levent Efe Medical Illustration Studios.)
Excerpted from BCSC 2020-2021 series: Section 2 - Fundamentals and Principles of Ophthalmology. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.