Study Stopped
This study involved building an assistive robotically aligning optical coherence tomography system. The device is not ready for human use so enrollment was never opened. The study is closed.
Peripheral Retina Robotically Aligned OCT Study
PR-RAOCT
Assistive Robotically Aligning Optical Coherence Tomography of the Retinal Periphery
2 other identifiers
interventional
N/A
1 country
1
Brief Summary
Optical coherence tomography (OCT) is a 3D imaging technology that has seen wide adoption within ophthalmology. However, optical access to the retinal periphery remains a challenge for conventional OCT systems. The study team plans to innovate peripheral retinal OCT imaging technology by first developing the first robotic OCT system capable of autonomously assisting the operator during imaging of the human peripheral retina using 3D active tracking and compensation and then by developing of the first OCT system designed for treatment of the retinal periphery.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
Started Jan 2026
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 5, 2024
CompletedFirst Posted
Study publicly available on registry
June 10, 2024
CompletedStudy Start
First participant enrolled
January 1, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 31, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
March 31, 2026
CompletedApril 13, 2026
April 1, 2026
3 months
June 5, 2024
April 7, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Presence of peripheral retinal break/s - Optical Coherence Tomography (OCT)
Presence of peripheral retinal break as measured by OCT reading
Single imaging session (day 1)
Presence of peripheral retinal break/s - clinical exam
Presence of peripheral retinal break as measured by clinical exam
Single imaging session (day 1)
Secondary Outcomes (2)
Location of peripheral break
Single imaging session (day 1)
Comfort evaluation
Single session (day 1)
Study Arms (4)
Group 1 - Healthy adult volunteers
EXPERIMENTALHealthy adult volunteers recruited from the patient population, students or employees of Duke University or Duke Eye Center (n=7)
Group 2 - Adult participants with "flashers and floaters"
EXPERIMENTALAdult participants recruited from the patient population of Duke Eye Center with complaints of "flashers and floaters" undergoing clinical examination (n=7)
Group 3 - Adult participants with flashers and floaters with no diagnosed peripheral retinal breaks
EXPERIMENTALAdult participants recruited from the patient population of Duke Eye Center with complaints of "flashers and floaters" and a clinical examination showing no breaks in the peripheral retina (n=22)
Group 4 - Adult participants with flashers and floaters with diagnosed peripheral retinal breaks
EXPERIMENTALAdult participants recruited from the patient population of Duke Eye Center with complaints of "flashers and floaters" and a clinical examination showing one or more breaks in the peripheral retinal (n=22)
Interventions
To visualize the full 360° of the retinal periphery (from equator to the more anterior ora serrata), investigators developed and redesigned a conical mirror contact lens and our non-contact robotically aligning platform to deliver OCT to the peripheral retina. The peripheral retina robotically aligned OCT (PR-RAOCT) system is built around a 6-axis cooperative robot (UR5e, Universal Robots), using our previously developed RAOCT control software.
Survey evaluating relative comfort with each type of peripheral exam (scleral depression vs. PR-RAOCT). Participants will rate 3 items on a 1 (non) to 5 (maximum) Likert scale: overall discomfort, physical pain, and photophobia for each exam.
Eligibility Criteria
You may qualify if:
- Subject is able and willing to consent to study participation
- Subject is more than 18 years of age
- Healthy adult volunteers without known ocular issues other than refractive error
You may not qualify if:
- Subject is unwilling or unable to provide consent
- Subject is less than 18 years of age
- Students or employees under direct supervision of the investigators
- Subjects with eye trauma, infection of the anterior ocular tissues or corneal conditions like keratoconus, Peter's anomaly, corneal edema, dense cataracts obscuring the retina and dense capsule opacities in pseudophakes
- The investigators will not exclude subjects based on eyes being phakic, pseudo-phakic, or aphakic.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Duke Universitylead
- National Institutes of Health (NIH)collaborator
- National Eye Institute (NEI)collaborator
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Cynthia A Toth, MD
Duke University Eye Center
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- OTHER
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 5, 2024
First Posted
June 10, 2024
Study Start
January 1, 2026
Primary Completion
March 31, 2026
Study Completion
March 31, 2026
Last Updated
April 13, 2026
Record last verified: 2026-04
Data Sharing
- IPD Sharing
- Will not share