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Tiny study tests how camera filters change eye scans

NCT ID NCT04961398

Knowledge-focused Sponsor: Heidelberg Engineering GmbH 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This completed study looked at how changing the speed and filters on an OCT eye scanner affects the measurements it takes. Nine healthy adults had their eyes scanned under different conditions. The goal was to understand how these settings influence the numbers doctors use to diagnose eye diseases.

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

9 people

The number who actually took part.

Started

Jun 2021

Finished

Jun 2021

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

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

Who is studied

adults with healthy eyes

Ages

22 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: 1. Able and willing to undergo the test procedures, sign informed consent, and follow instructions. 2. Age ≥ 22 3. Both eyes with an age-appropriate normal appearing OCT as determined by an investigator Exclusion Criteria: 1. Subjects unable to read or write 2. Subjects with ocular media not sufficiently clear to obtain acceptable study-related imaging as determined by OCT imaging (without neutral optical density filter) 3. Subjects who cannot tolerate the imaging procedures

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As listed by the trial registrant

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

Normal eyes

Contacts and locations

Locations

  • Heidelberg Engineering, Inc.

    Franklin, Massachusetts, 02038, United States

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