New eye camera could unlock secrets of inherited blindness
NCT ID NCT00254605
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study uses a special camera called an Adaptive Optics Scanning Laser Ophthalmoscope (AOSLO) to take very detailed pictures of the retina in people with inherited retinal diseases like retinitis pigmentosa. Researchers will measure how the light-sensitive cells in the eye change over 30 months. The goal is to better understand how these diseases progress, 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 help doctors better understand how inherited retinal diseases progress and may improve future diagnosis and monitoring.
- What could go wrong
- This is an observational imaging study, not a treatment trial. It will not directly improve vision or slow disease progression.
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
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About 400 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2005
- Expected to finish
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Nov 2028
An estimate. End dates often move.
- Lead sponsor
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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.
Who is studied
Patients with inherited retinal degenerations, including retinitis pigmentosa, choroideremia, x-linked retinoschisis and Usher syndrome. We are also studying a small number of patients with age-related macular degeneration.
- Ages
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13 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide 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: * Subjects must speak and understand English * Subjects must have pupils that dilate to at least 6 millimeters diameter. * Subjects must be willing to travel to University of California (UC) Berkeley. * Subjects are financially responsible for their travel to the San Francisco area if they are not San Francisco residents. Exclusion Criteria: * Cataract * Irregular corneal astigmatism (keratoconus) * Prior refractive surgery
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Department of Ophthalmology Retinal Degenerations Clinic, UCSF
RECRUITINGSan Francisco, California, 94143, United States
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