ArticleJournal of neurophysiology2014
Magnetic resonance imaging of differential compartmental function of horizontal rectus extraocular muscles during conjugate and converged ocular adduction.
Article in Journal of neurophysiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 46 citations in OpenAlex.
- Convergence Insufficiency After Bilateral Medial Rectus Recession for Age-Related Distance Esotropia?American journal of ophthalmology · 2026Article
- Resting-State Brain Activity, Functional Connectivity, and Orbital Imaging Changes in Restrictive Myopathy Associated with Thyroid Eye Disease.Eye and brain · 2026Article
- Magnetic resonance imaging of extraocular rectus muscles abnormalities in acute acquired concomitant esotropia.International journal of ophthalmology · 2024Article
- Investigation of Selective Innervation of Extraocular Muscle Compartments.Investigative ophthalmology & visual science · 2023Article
- Reduced activity of vertically acting motoneurons during convergence.Journal of neurophysiology · 2022Article
- Slanted recession on bilateral lateral rectus for the treatment of intermittent Exotropia with convergence insufficiency.BMC ophthalmology · 2022Article
- Y-splitting medial rectus muscle and recession in treatment for convergence excess esotropia.International journal of ophthalmology · 2022Article
- Functional Anatomy of Muscle Mechanisms: Compensating Vertical Heterophoria.American journal of ophthalmology · 2021Article
- Comparison of lateral and medial rectus muscle in human: an anatomical study with particular emphasis on morphology, intramuscular innervation pattern variations and discussion on clinical significance.Surgical and radiologic anatomy : SRA · 2020Article
- Article
- Functional anatomy of extraocular muscles during human vergence compensation of horizontal heterophoria.Journal of neurophysiology · 2019Article
- Normal Anatomy and Anomalies of the Rectus Extraocular Muscles in Human: A Review of the Recent Data and Findings.BioMed research international · 2019Review
- Translation and eccentric rotation in ocular motor modeling.Progress in brain research · 2019Article
- Functional anatomy of human extraocular muscles during fusional divergence.Journal of neurophysiology · 2018Article
- Magnetic Resonance Imaging of the Globe-Tendon Interface for Extraocular Muscles: Is There an "Arc of Contact"?American journal of ophthalmology · 2018Article
- Dynamic Imaging of the Eye, Optic Nerve, and Extraocular Muscles With Golden Angle Radial MRI.Investigative ophthalmology & visual science · 2017Article
- Examination of feline extraocular motoneuron pools as a function of muscle fiber innervation type and muscle layer.The Journal of comparative neurology · 2017Article
- Extraocular Muscle Compartments in Superior Oblique Palsy.Investigative ophthalmology & visual science · 2016Article
- Rectus Extraocular Muscle Size and Pulley Location in Concomitant and Pattern Exotropia.Ophthalmology · 2016Article
- Optic Nerve Sheath as a Novel Mechanical Load on the Globe in Ocular Duction.Investigative ophthalmology & visual science · 2016Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Activity in horizontal rectus extraocular muscles (EOMs) was investigated by magnetic resonance imaging (MRI) of humans during asymmetric convergence to a monocularly aligned target at 15-cm distance or monocular fixation of afocal targets placed over a wide range of conjugate abduction through adduction. Cross sections and posterior partial volumes (PPVs) of EOMs were determined from quasi-coronal image planes and were separately analyzed in the inferior vs. superior compartments, defined by lines bisecting their maximum vertical dimensions. Both inferior and superior compartments of medial (MR) and lateral (LR) rectus exhibited contractile changes in PPV and maximum cross section for both asymmetric convergence and a comparable range of conjugate adduction. Both LR compartments, and the inferior MR compartment, exhibited similar decreases in contractility correlating with relaxation during both convergence and conjugate adduction. In contrast, the superior MR compartment exhibited roughly three times the contractility in conjugate adduction as in similar-magnitude convergence. In the aligned eye that did not move during convergence, summed contractility in all compartments of MR and LR exhibited corelaxation consistent with published EOM force measurements in this paradigm (Miller JM, Bockisch CJ, Pavlovski DS. J Neurophysiol 87: 2421-2433, 2002; Miller JM, Davison RC, Gamlin PD. J Neurophysiol 105: 2863-2873, 2011). The superior MR compartment also exhibited significantly greater contractility than the other compartments over the maximum achievable horizontal globe rotation from abduction to adduction. These findings suggest that the superior MR compartment is controlled differentially from the inferior compartment and suggest that its activity is reduced during convergence as a component of generally altered extraocular mechanics.
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