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Can a DIY app replace the eye chart? new study puts it to the test

NCT ID NCT07331870

Diagnosis Sponsor: Ojenforeningen 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 checked if a new digital visual acuity test can accurately measure how well people see, compared to standard eye charts. 70 adults who wear glasses took the digital test and standard tests. The goal was to see if the DIY test gives similar results for both distance and near vision.

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 the DIY test proves accurate, it could offer a convenient way for people to check their vision at home.
What could go wrong
This was a small, completed study with 70 participants, so results may not apply to everyone. The test is not a replacement for a full eye exam.

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

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

70 people

The number who actually took part.

Started

Oct 2022

Finished

Nov 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

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: * 18 years of age and older. * Subjects must be able to understand and perform the test. * Subject must have corrected vison (i.e. wearing glasses) Exclusion Criteria: * Subjects not able to understand the implications of participating in a scientific study. * Subjects not legally independent. * Subjects not able to perform the test.

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As listed by the trial registrant

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

Visual acuity

Contacts and locations

Locations

  • Eye Dept., Zealand University Hospital

    Roskilde, Denmark, 4000, Denmark

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