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No-Needle eye pressure check: new tips could replace numbing drops

NCT ID NCT06585423

Symptom relief Sponsor: Duke 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested four new types of tonometer tips that can measure eye pressure without numbing drops. 49 adults getting routine eye exams tried the new tips and rated them for comfort. The goal is to find the best design for a home-use device that makes glaucoma monitoring easier and more pleasant.

What this could mean

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

Active substance
prototype tonometer tips (medical grade silicone or bandage contact lens covered tips)
What this could lead to
If successful, this could lead to a more comfortable way to measure eye pressure without numbing drops, making home monitoring easier for glaucoma patients.
What could go wrong
This is a small, early-stage study with only 49 participants, so results may not apply to everyone. The new tips might still be uncomfortable or not work as well as the standard method.

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

49 people

The number who actually took part.

Started

Oct 2024

Finished

Feb 2026

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

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: * Presenting for a routine eye exam * ≥ 18 years of age * Able and willing to give consent Exclusion Criteria: * History of corneal scarring * Active infection of the eye * History of alternated corneal sensitivity * History of corneal surgery

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Conditions

The condition(s) this trial relates to.

glaucoma

As listed by the trial registrant

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

Glaucoma

Contacts and locations

Locations

  • Duke Eye Center

    Durham, North Carolina, 27710, United States

More trials for these conditions

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