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Facial Ultrasound 101

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7.02: Periorbital standardized zones

Facial Ultrasound 101 7.02: Periorbital standardized zones
YOUR ASSIGNMENT FOR THIS LESSON

✅ Step #1: Watch the video presention below. 

✅ Step #2: Click the “Mark Complete” button

The standardized inferior periorbital zones:

Key structures that may be visible in the periorbital zones:

ZONEPOSSIBLE KEY ANATOMY*
O1
Lateral Canthus at Orbital Rim		 Orbicularis oculi m.
O2
Intersection between horizontal line from O3 to vertical line at O1		 Orbicularis oculi m.
Zygomaticus minor m.
SOOF
O3
Mid Pupillary Line at Orbital Rim		 Orbicularis oculi m.
Levator labii superioris m.
SOOF
O4
Medial canthal line to horizontal line drawn from O3		 Orbicularis oculi m.
LLSAN m.
Angular a.
Angular v.

*The structures that can be identified in each zone are subject to variation based on probe footprint, resolution and individual anatomical variability.

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