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Related Experiment Video

Updated: Jun 6, 2026

Full-Endoscopic Transforaminal Approach for Lumbar Discectomy
01:24

Full-Endoscopic Transforaminal Approach for Lumbar Discectomy

Published on: September 8, 2023

Surgery for DVD: New Approaches.

D L Guyton

    The American Orthoptic Journal
    |December 15, 2010
    PubMed
    Summary
    This summary is machine-generated.

    The oblique muscles significantly contribute to dissociated vertical deviation (DVD). Surgical weakening of these muscles shows variable success, highlighting the need for individualized treatment approaches for DVD.

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    Pioneering Patient-Specific Approaches for Precision Surgery Using Imaging and Virtual Reality
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    Published on: April 5, 2024

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    Last Updated: Jun 6, 2026

    Full-Endoscopic Transforaminal Approach for Lumbar Discectomy
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    Published on: September 8, 2023

    Pioneering Patient-Specific Approaches for Precision Surgery Using Imaging and Virtual Reality
    06:18

    Pioneering Patient-Specific Approaches for Precision Surgery Using Imaging and Virtual Reality

    Published on: April 5, 2024

    Area of Science:

    • Ophthalmology
    • Strabismus Surgery

    Background:

    • Dissociated vertical deviation (DVD) is a strabismus condition.
    • The role of oblique extraocular muscles in DVD has been underestimated.

    Purpose of the Study:

    • To investigate the contribution of oblique muscles to DVD.
    • To evaluate new surgical strategies for managing DVD.

    Main Methods:

    • Scleral search coil recordings were used to measure eye movements.
    • Surgical interventions targeting oblique muscles were performed and outcomes analyzed.

    Main Results:

    • Oblique muscles significantly contribute to the vertical vergence and torsional changes in DVD.
    • Surgical recession and anterior transposition of obliques yielded variable results, correcting about half of DVD amplitude.
    • Weakening procedures without transposition were less effective (under 40% correction).
    • Bilateral weakening of elevators reduced DVD by 50-70% but caused eyelid retraction in some cases.

    Conclusions:

    • Oblique muscles play a crucial role in DVD.
    • Current surgical approaches for DVD have limitations and variable outcomes.
    • Optimal surgical management for DVD may require patient-specific assessment of torsional and vertical components.