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Can red light save your sight? new trial for severe nearsightedness

NCT ID NCT07312214

Disease control Sponsor: Shanghai Eye Disease Prevention and Treatment Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests if a special red light device can slow down damage to the back of the eye in people with severe nearsightedness (pathologic myopia). About 158 adults will use the device or a fake one for 3 minutes, twice a day, 5 days a week for a year. Researchers will check if the light improves blood flow in the eye and helps prevent further vision loss.

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 158 people

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

Started

Dec 2025

Expected to finish

Dec 2028

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

18 to 55 years

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: * Age range: 18 to 55 years old; * Baseline visual acuity: Best Corrected Visual Acuity (BCVA) ≥ 0.1 (LogMAR ≤ 1.0); * Meeting the diagnostic criteria for high myopia: Spherical Equivalent (SE) ≤ -6.00 D and Axial Length (AL) ≥ 26.0 mm; * Meeting one of the following pathological fundus changes: (i) Fundus manifestations corresponding to Category 2 (diffuse chorioretinal atrophy), Category 3 (patchy chorioretinal atrophy), or Category 4 (macular atrophy associated with choroidal neovascularization) of the META-PM classification criteria\*; (ii) Category 1 of the META-PM classification criteria\* complicated with macular schisis; (iii) BCVA \< 0.6; Exclusion Criteria: * Concurrent with other ophthalmic diseases that may affect visual acuity or outcome assessment, including active myopic choroidal neovascularization (CNV) requiring anti-VEGF therapy, macular hole, vitreous hemorrhage, diabetic retinopathy, retinal detachment, retinal vein occlusion, optic neuritis, uveitis, severe cataract, and glaucoma; * Systemic contraindications: Photosensitive epilepsy, autoimmune diseases (e.g., systemic lupus erythematosus), or pregnant/lactating women; Patients who have undergone intraocular surgery, laser treatment, or ophthalmic medication therapy within 3 months prior to enrollment; * Patients unable to comply with regular follow-up (e.g., due to remote residence) or with cognitive impairment; * Opaque refractive media that hinder fundus examination.

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Conditions

The condition(s) this trial relates to.

degenerative myopia myopia

As listed by the trial registrant

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

Pathologic myopia

How to take part

Only the study team decides who joins. These are the ways to reach them.

  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

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Shanghai Eye Disease Prevention and Treatment Center

    RECRUITING

    Shanghai, China

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