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Better glasses for down syndrome? study tests eye dilation trick

NCT ID NCT05059041

Knowledge-focused Sponsor: Ohio State University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether using eye drops to dilate (widen) the pupils before measuring vision leads to better eyeglass prescriptions for people with Down syndrome. 42 participants had their vision tested with and without dilation. The goal was to see which method gives sharper eyesight, since standard eye exams can be tricky for this group.

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.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

42 people

The number who actually took part.

Started

May 2022

Finished

Jan 2025

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.

Ages

5 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Diagnosis of Down syndrome * Able to be dilated * Able to fixate for study measures * Able to respond for visual acuity testing Exclusion Criteria: * Ocular nystagmus * History of ocular or refractive surgery (strabismus surgery is okay) * Corneal or lenticular opacities * Ocular disease

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Conditions

The condition(s) this trial relates to.

Down syndrome refractive error

As listed by the trial registrant

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

Down syndrome Refractive errors

Contacts and locations

Locations

  • Ohio State University

    Columbus, Ohio, 43210, United States

  • University of Houston

    Houston, Texas, 77004, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.