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New study aims to sharpen vision tests for the blind

NCT ID NCT07502664

Knowledge-focused Sponsor: Ray Therapeutics, Inc. 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study enrolls 25 people with severe retinal diseases like retinitis pigmentosa and Stargardt disease to test new ways of measuring visual function. Researchers will evaluate how well participants can perform various vision tests, such as navigating obstacles or detecting light. The goal is to create more reliable endpoints for future clinical trials, not to test a new treatment.

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 successful, this could lead to better, more reliable tests for measuring vision in people with severe retinal diseases, helping future treatments prove their effectiveness.
What could go wrong
This is a small, early-stage study focused on measurement methods, not a treatment. It may not result in any direct benefit to participants or change clinical practice.

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

About 25 people

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

Started

Feb 2026

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients with moderate to profound vision impairment diagnosed with retinitis pigmentosa or other retinal dystrophies.

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: * Diagnosis of bilateral retinitis pigmentosa (RP) or other retinal dystrophies impacting peripheral vision as confirmed from previous eye examination records * Best-corrected visual acuity between 20/200 to HM in at least one eye. * Reasonably fluent in English or Spanish Exclusion Criteria: * Cognitive impairment, memory loss or dementia sufficient in severity to preclude informed consent or in the opinion of the investigator would prevent satisfactory completion of some or all of the testing. * Any circumstance that in the opinion of the investigator, would interfere with participation in, or compliance with the study protocol * Current pregnancy as reported by patient

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Conditions

The condition(s) this trial relates to.

age-related macular degeneration dry age related macular degeneration inherited retinal dystrophy retinitis pigmentosa retinoschisis Stargardt disease X-linked retinoschisis

As listed by the trial registrant

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

Geographic atrophy from age-related macular degeneration Retinal dystrophies Retinitis pigmentosa Stargardt disease Stargardt macular dystrophy X-linked retinoschisis

How to take part

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

  1. The study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

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

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Vision Research and Assessment Institute

    RECRUITING

    Irvine, California, 92614, United States

    Contact Email: •••••@•••••

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