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New light field device could revolutionize eye exams

NCT ID NCT06583954

Diagnosis Sponsor: Daniela Nosch 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 study tested a new prototype device that uses light field technology to measure vision problems like nearsightedness and farsightedness. Researchers compared its accuracy to standard methods in 120 healthy adults. The goal was to see if this new approach could reliably determine eyeglass prescriptions.

What this could mean

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

Active substance
Lightfield technology device (CREAL prototype)
What this could lead to
If successful, this could lead to a faster, more convenient way to measure eyeglass prescriptions without traditional trial frames or phoropters.
What could go wrong
This is an early proof-of-concept study with a prototype, so the device may not be as accurate as current methods. It only tested healthy adults with a limited range of vision problems.

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

120 people

The number who actually took part.

Started

Feb 2025

Finished

Aug 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.

Who is studied

healthy adults with refractive error

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: * Minimum age of 18 years * Best corrected visual acuity ≥ 0.8 (logMAR ≤ 0.1). * Dioptric range for hypermetropia: ≤ +4.50 D. * Dioptric range for myopia: ≥ -6.50 D. * Dioptric range for cylinder: ≤ -2.00 D. * Good general health, i.e.no systemic disease such as diabetes or rheumatism which could influence ocular health * No ocular pathology or history of (intra)ocular surgery except for cataract surgery Exclusion Criteria: * • Contact lens wear during the days of visit * Binocular vision problems (e.g. amblyopia, strabismus). * Inability to follow the procedures of the investigation, such as language problems, psychological disorders and dementia

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Conditions

The condition(s) this trial relates to.

refractive error

As listed by the trial registrant

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

Refractive error correction

Contacts and locations

Locations

  • Insititute of Optometry, FHNW University of Applied Sciences and Arts Northwestern Switzerland

    Olten, 4600, Switzerland

  • Institute of Optometry, FHNW

    Olten, Canton of Solothurn, 4600, Switzerland

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