2020–2021 BCSC Basic and Clinical Science Course™
7 Oculofacial Plastic and Orbital Surgery
Part III: Lacrimal System
Chapter 14: Anatomy, Development, and Physiology of the Lacrimal Secretory and Drainage Systems
This chapter includes a related video. A link to the video is provided within the text; a page containing all videos in Section 7 is available at www.aao.org/bcscvideo_section07.
Highlights
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Biopsy of the lacrimal gland is preferentially performed on the orbital lobe to avoid damage to the secretory ductules.
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Congenital nasolacrimal duct obstruction (NLDO) may not be apparent until tearing function commences at approximately 6 weeks of age.
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The tear pump actively drains tears during the blink cycle.
See Chapters 1 and 4 in BCSC Section 2, Fundamentals and Principles of Ophthalmology, for additional discussion, including illustrations, of some of the topics covered in this chapter.
Excerpted from BCSC 2020-2021 series: Section 10 - Glaucoma. For more information and to purchase the entire series, please visit https://www.aao.org/bcsc.