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Related Experiment Videos

Disinserted extraocular muscles.

A B Scott

    American Journal of Ophthalmology
    |February 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Posteriorly slipped extraocular muscles caused reduced eye movement and proptosis in two patients. Electronic muscle stimulation aided surgical identification and repair of the slipped muscle.

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    Area of Science:

    • Ophthalmology
    • Surgical Neurology

    Background:

    • Extraocular muscle (EOM) displacement can lead to complex ophthalmic conditions.
    • Accurate diagnosis of EOM anomalies is crucial for effective surgical intervention.

    Purpose of the Study:

    • To describe the clinical presentation and surgical management of EOMs that slipped posteriorly.
    • To highlight a novel method for intraoperative EOM identification.

    Main Methods:

    • Case report of two patients with posterior EOM slippage.
    • Surgical identification using electronic muscle stimulation to elicit contraction and palpable/visible traction.

    Main Results:

    • Patients presented with reduced rotation amplitude, saccadic velocity, and active force.

    Related Experiment Videos

  • Progressive exophthalmos was observed with gaze into the affected muscle's field of action.
  • Electronic stimulation successfully identified the slipped muscle during surgery.

    • Conclusions:

    • Posterior EOM slippage presents with a distinct pattern of motility deficits and proptosis.
    • Intraoperative electronic muscle stimulation is an effective technique for identifying slipped EOMs.