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NCT Number: NCT07360470

Anatomical Assessment of Orbital Contents on Imaging (EACOI)

This is a single-center retrospective study based on existing data. The study focuses on the anatomical content of the orbit, and in particular the anatomy of the oculomotor muscles in the orbit, which are involved in eye movements. There are 6 of these muscles, with the superior, inferior, medial and lateral rectus muscles, and the superior and inferior oblique muscles in each orbit. The study also covers the anatomy of the optic nerve and orbital fat.

Knowledge of the anatomy and biometry of the oculomotor muscles, and of methods for assessing these muscles, has implications for clinical, medical and surgical practice.

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Key information

Conditions

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Chu Brest

Brest, 29609, France

Location status: Recruiting

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Patients over 18
  • No opposition to the participation
  • Usable imaging test

Exclusion criteria

  • Refusal to participate

Treatment and study plan

Primary outcomes

  1. Intra- and inter-observer reproducibility of oculomotor muscle anatomical criteria in imaging

    Time frame: 1 year.

    Evaluate the reproducibility of different oculomotor muscle measurements, such as volume (mm3), surface (mm2) or two-dimensional measurements (mm). Differences to the mean. Intraclass correlation coefficient (ICC).

Secondary outcomes

  1. Reproducibility of measurements of optic nerve size and orbital fat in imaging

    Time frame: 1 year.

    Evaluate the reproducibility of different measurements to assess the size of the optic nerve (volume (mm3), surface (mm2), two-dimensional measurement (mm) and intra-orbital fat (mm3). Dfference to the mean. Intraclass correlation coefficient (ICC).

Study contacts

Contact information is provided by the study sponsor or research team.

Brieg DISSAUX

CONTACT

[email protected]

02983408034 ext. +33

Sponsors and collaborators

Lead sponsor

University Hospital, Brest

Other

Registry information

Official study title

Anatomical Assessment of Orbital Contents on Imaging

Acronym: EACOI

Important dates

Study start
2024
Primary completion
2026
Study completion
2026
First posted
Jan 22, 2026
Registry last updated
Jan 22, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.