The Glaucoma and Retinopathy Screening Study
Public ClinicalTrials.gov record NCT06882356. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
The Glaucoma and Retinopathy Screening Study (GRaSS)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The goal of this clinical trial is to learn if a new screening approach including an artificial intelligence algorithm that analyzes fundus photographs, measurement of eye pressure and visual field testing works to screen for glaucoma. Participants will: Have an image of their fundus (back of the eye) taken as part of their diabetic eye screening Have a measurement of their eye pressure If needed, have a test of their side vision using a headset
Study identification
- NCT ID
- NCT06882356
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 2,000 participants
Conditions and interventions
Conditions
Interventions
- AI-based glaucoma screening Device
- IOP measurement Device
- Virtual Reality Visual Field Testing Device
Device
Eligibility (public fields only)
- Age range
- 40 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 15, 2025
- Primary completion
- Aug 31, 2030
- Completion
- Aug 31, 2030
- Last update posted
- Aug 26, 2026
2025 – 2030
United States locations
- U.S. sites
- 7
- U.S. states
- 1
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Massachusetts General Hospital Internal Medicine Associates | Boston | Massachusetts | 02114 | Recruiting |
| Brigham and Women's Primary Care Associates of Longwood | Boston | Massachusetts | 02115 | Recruiting |
| Massachusetts General Hospital Broadway Primary Care-Revere | Boston | Massachusetts | 02151 | Recruiting |
| MGH Chelsea HealthCare Center | Chelsea | Massachusetts | 02150 | Recruiting |
| NSPG Lynn | Lynn | Massachusetts | 01904 | Recruiting |
| NSPG Salem | Salem | Massachusetts | 01970 | Not yet recruiting |
| NSPG Saugus | Saugus | Massachusetts | 01906 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06882356, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 26, 2026 · Synced Sep 11, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06882356 live on ClinicalTrials.gov.