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Mexican eye measurements could sharpen diagnosis of orbital diseases

NCT ID NCT07705061

Knowledge-focused Sponsor: Instituto de Oftalmología Fundación Conde de Valenciana Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 15, 2026 · Last updated Jul 16, 2026 · Updated 1 time

Summary

This study measures how far the eyes protrude in Mexican adults to establish normal reference values. Researchers will use a Hertel exophthalmometer to take standardized measurements in healthy adults and those with certain systemic conditions. The goal is to create population-specific norms that help doctors better diagnose orbital diseases in Mexican patients.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could provide Mexican eye doctors with accurate, population-specific normal ranges for eye protrusion, improving diagnosis of orbital diseases.
What could go wrong
This is an observational study, not a treatment trial. The findings may not apply to other populations, and the sample size may limit generalizability.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 300 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2026

Expected to finish

Dec 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Adult Mexican participants (≥18 years) recruited from the Ophthalmology Department who meet the eligibility criteria. Participants with and without systemic diseases will be included to establish normative Hertel exophthalmometry values and evaluate their association with demographic characteristics and systemic conditions.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged 18 years or older. * Mexican participants or individuals who self-identify as Mexican. * Ability to understand the study procedures and provide written informed consent. * Ability to undergo bilateral Hertel exophthalmometry. * Participants with or without previously diagnosed systemic diseases. Exclusion Criteria: * Active thyroid eye disease * History of orbital trauma or orbital fracture. * Previous orbital surgery, orbital decompression, or surgery that may alter globe position. * Presence or history of an orbital tumor, orbital inflammation, or orbital infection. * Craniofacial abnormalities or facial asymmetry that may interfere with Hertel exophthalmometry. * Ocular or eyelid conditions that prevent accurate positioning or measurement with the Hertel exophthalmometer. * Inability to cooperate with the examination or obtain a reliable exophthalmometry measurement.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Exophthalmometry Normal exophthalmometric values

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • ✔ Instituto de Oftalmología Fundación Conde de Valenciana IAP

    RECRUITING

    Mexico City, Mexico City, 94806, Mexico