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Related Experiment Videos

Extraocular muscle lacerations

E M Helveston, R D Grossman

    American Journal of Ophthalmology
    |June 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Traumatic extraocular muscle lacerations, often involving the inferior or medial rectus muscles, can occur from various injuries. Prompt surgical repair is crucial for restoring vision and function.

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    Area of Science:

    • Ophthalmology
    • Ophthalmic Surgery
    • Trauma Surgery

    Background:

    • Extraocular muscle lacerations are rare but serious injuries.
    • These injuries can result from penetrating trauma or surgical errors.
    • The globe and adnexa are typically uninvolved in these specific cases.

    Observation:

    • Five cases of extraocular muscle laceration were analyzed.
    • Injuries involved a pencil, mower blade, screen door, and building nail, plus one surgical error.
    • The inferior rectus muscle was affected in three cases, with one each for the lateral and medial rectus muscles.

    Findings:

    • The inferior and medial rectus muscles are more frequently lacerated due to their proximity to the limbus and Bell's phenomenon.
    • Surgical repair involved muscle reinsertion or reunion when possible.

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  • Muscle transfer was performed when the lacerated muscle could not be located.

    • Implications:

    • Prompt diagnosis and surgical intervention are essential for managing traumatic extraocular muscle injuries.
    • Successful repair can restore partial or full visual field fusion in affected patients.
    • Understanding the mechanisms of injury can inform preventative strategies and surgical planning.