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Smart contact lens could catch hidden eye pressure spikes

NCT ID NCT07770178

Diagnosis Sponsor: Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 18, 2026 · Last updated Aug 19, 2026 · Updated 1 time

Summary

This trial tests a new smart contact lens designed to measure eye pressure continuously and wirelessly. The lens, made of a soft hydrogel, contains a tiny sensor that detects slight changes in the eye's shape linked to pressure changes. Researchers will compare its readings with standard eye pressure measurements in 20 healthy adults to see if it is safe, comfortable, and accurate. If it works, this technology could help doctors spot dangerous pressure fluctuations that are missed by single office measurements, potentially improving the diagnosis and treatment of conditions like glaucoma.

What this could mean

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

Active substance
A wearable hydrogel-based contact lens sensor that measures eye pressure continuously
What this could lead to
If successful, this could lead to a comfortable, continuous way to monitor eye pressure, helping to catch dangerous spikes that single measurements miss and improving glaucoma management.
What could go wrong
This is a small, early exploratory study in healthy volunteers, so the sensor's accuracy and comfort in real-world patients with eye disease are still uncertain. The device may not be as precise as standard methods or may cause discomfort.

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

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Aug 2026

An estimate. Start dates often move.

Expected to finish

Feb 2027

An estimate. End dates often move.

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

20 to 40 years

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: * Voluntarily agrees to participate in the study and provides written informed consent. * Has previously worn contact lenses. * Has no ocular disease other than refractive error. * Central corneal thickness between 540 and 560 μm, inclusive. * Corneal curvature between 42 and 44 D, inclusive. Exclusion Criteria: * Unable to tolerate the hydrogel-based wearable dynamic intraocular pressure sensor. * Pregnant or breastfeeding. * History of allergy to relevant medical materials or known hypersensitivity to materials used in the investigational device.

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As listed by the trial registrant

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

Intraocular pressure

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Shanghai General Hospital

    Shanghai, Shanghai Municipality, 200080, China

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