Flashcards in Opthamology I: Orbit, Eyelid, and Lacrimal Systems Deck (11)
What bones compose the orbital floor?
palatine, maxillary and zygomatic
What is the clinically weakest area in the orbit?
Medial wall bones
SMEL: Sphenoid (lesser wing), maxillary, ethmoid, lacrimal
What is the thinnest area of the orbit?
Orbital roof bones
Frontal, lesser sphenoid wing
Great-Z: Greater sphenoid wing and zygomatic
What is the thickest wall in the orbit?
Bradycardia, asystole, and arrhythmia when pushing or pressure on intraocular muscles or eye
Most commonly affected areas with orbital fractures
Medial wall and floor
Medial infraorbital canal is most common
When to repair an orbital fracture?
Repair within 2-4 weeks if enophthalmos, incarcerated muscle/orbital tissues, or if >50% of wall fractured