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Related Experiment Videos

Classification of orbital floor fractures.

S A Lauer1, B Snyder, E Rodriguez

  • 1Department of Ophthalmology and Visual Sciences, Albert Einstein College of Medicine, Bronx, New York, USA.

The Journal of Cranio-Maxillofacial Trauma
|January 1, 1996
PubMed
Summary

Blowout fractures occur medial to the infraorbital nerve, while rim fractures involve the infraorbital nerve. This study proposes a new classification for orbital floor fractures based on their location relative to this nerve.

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Area of Science:

  • Ophthalmology
  • Radiology
  • Anatomy

Background:

  • Orbital floor fractures are common facial injuries.
  • Accurate classification is crucial for effective treatment and surgical planning.

Purpose of the Study:

  • To define the precise anatomic location of orbital floor fractures.
  • To propose a novel classification system for orbital floor fractures based on their relationship to the infraorbital nerve.

Main Methods:

  • Retrospective analysis of 24 orbital floor fractures using computed tomography (CT) scans.
  • Detailed evaluation of fracture location relative to the infraorbital nerve and orbital rim involvement.

Main Results:

  • Blowout fractures (without rim involvement) were located medial to or spanning both sides of the infraorbital nerve.

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  • Fractures with rim involvement were associated with zygomatico-orbital or Le Fort II/III fractures and located lateral to or spanning both sides of the nerve.
  • No blowout fractures were exclusively in the lateral orbital floor, and no rim fractures were exclusively in the medial orbital floor.

    • Conclusions:

    • The infraorbital nerve serves as a key landmark for classifying orbital floor fractures.
    • A proposed classification system based on the infraorbital nerve's relationship can improve fracture description and management.