Ischemic Optic Neuropathy Decompression Trial Followup (IONDT Followup)
Public ClinicalTrials.gov record NCT00000126. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
To follow all patients enrolled in the original Ischemic Optic Neuropathy Decompression Trial (IONDT) to determine (1) the incidence of non-arteritic ischemic optic neuropathy (NAION) in the second eye, (2) changes in visual acuity over time in both the study and second eye, and (3) other aspects of the natural history of NAION.
Study identification
- NCT ID
- NCT00000126
- Recruitment status
- Not listed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- Not listed
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 50 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
- Sep 30, 1994
- Primary completion
- Not listed
- Completion
- Not listed
- Last update posted
- May 25, 2006
Started 1994
United States locations
- U.S. sites
- 24
- U.S. states
- 18
- U.S. cities
- 23
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Doheny Eye Institute, University of Southern California | Los Angeles | California | — | — |
| Jules Stein Eye Institute | Los Angeles | California | — | — |
| Department of Ophthalmology, University of California, San Francisco | San Francisco | California | — | — |
| Department of Ophthalmology, University of Florida | Gainesville | Florida | — | — |
| Emory Eye Center, Emory University | Atlanta | Georgia | — | — |
| Department of Ophthalmology, University of Illinois | Chicago | Illinois | — | — |
| Department of Ophthalmology, University of Kentucky | Lexington | Kentucky | — | — |
| University of Maryland | Baltimore | Maryland | — | — |
| W.K. Kellogg Eye Center, University of Michigan | Ann Arbor | Michigan | — | — |
| Department of Ophthalmology, Michigan State University | East Lansing | Michigan | — | — |
| William Beaumont Eye Institute, William Beaumont Hospital | Royal Oak | Michigan | — | — |
| Mayo Clinic | Rochester | Minnesota | — | — |
| Mason Institute of Ophthalmology, University of Missouri - Columbia | Columbia | Missouri | — | — |
| St. Louis University, Anheuser-Busch Eye Institute | St Louis | Missouri | — | — |
| SUNY Health Science Center, Department of Neurology | Syracuse | New York | — | — |
| Carolinas Medical Center | Charlotte | North Carolina | — | — |
| The Cleveland Clinic Foundation | Cleveland | Ohio | — | — |
| Allegheny General Hospital | Pittsburgh | Pennsylvania | — | — |
| University of South Carolina, Department of Ophthalmology | Columbia | South Carolina | — | — |
| University of Texas | Houston | Texas | — | — |
| University of Utah, Department of Ophthalmology | Salt Lake City | Utah | — | — |
| University of Virginia, Department of Ophthalmology | Charlottesville | Virginia | — | — |
| Medical College of Virginia, Department of Neurology | Richmond | Virginia | — | — |
| West Virginia University, Department of Neurology | Morgantown | West Virginia | — | — |
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 NCT00000126, 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 May 25, 2006 · Synced Sep 28, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00000126 live on ClinicalTrials.gov.