Healthy Clinical Trial
— MIOCTOfficial title:
Intraoperative OCT Guidance of Intraocular Surger
Verified date | May 2024 |
Source | Duke University |
Contact | Neeru Sarin, MBBS |
Phone | 919-668-5341 |
neeru.sarin[@]duke.edu | |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
The overall five-year goals of the project are to develop novel technology to provide actionable new information through provision of live volumetric imaging during surgery, improving surgical practice and outcomes. The investigators believe this technology will enable novel ophthalmic and other microsurgeries not possible due to current limitations in surgical visualization.
Status | Recruiting |
Enrollment | 262 |
Est. completion date | May 31, 2025 |
Est. primary completion date | May 31, 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 4 Weeks and older |
Eligibility | Inclusion Criteria: 1. Healthy controls: Healthy eyes without known disease: refractive error including myopia and non-significant cataract is allowed. For selected testing pseudophakia is allowed. 2. Surgeons as research subjects: Adult (=18 years old) 3. Surgical patients (vitreoretinal surgery): Patients undergoing examination under anesthesia or surgery for vitreoretinal diseases 4. Surgical patients (anterior segment surgery-glaucoma, ocular surface or strabismus requiring extraocular muscle surgery): Include both adults and children. Patient undergoing primary, elective minimally invasive glaucoma surgery, ocular surface surgery, or strabismus surgery. Exclusion Criteria: 1. Healthy controls: Any ocular disease that restricts the ability to perform OCT scanning. Conflict of interest with investigators/study personnel, e.g. a student in the lab of an investigator. 2. Surgeons as research subjects: no specific exclusion criteria. 3. Surgical patients (vitreoretinal surgery): Neonates (< 4 weeks of age) and patients with any ocular disease that restricts the ability to perform OCT scanning. 4. Surgical patients (anterior segment surgery-corneal and cataract diseases): Pediatric patients: The cornea and cataract surgery studies will be restricted to adults (= 18 years). Children do not have cataract surgery typically by residents and therefore would not fit our study design. Similarly pediatric corneal transplants are very rare. |
Country | Name | City | State |
---|---|---|---|
United States | Duke University Eye Center | Durham | North Carolina |
Lead Sponsor | Collaborator |
---|---|
Duke University | National Eye Institute (NEI) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Retinal and/or corneal microscope integrated optical coherence tomography image capture | Ability to capture images | Year 1 | |
Primary | Quality of retinal and/or corneal microscope integrated optical coherence tomography image capture | Quality of MIOCT images scored based on standard microanatomy and ability to detect presence or absence of ocular pathologies based on review by a masked grader. | Year 1 | |
Primary | Retinal vascular flow on optical coherence tomography angiography (OCTA) versus fluorescein angiography | Cross correlation of ability to capture vessels and vessel pathology between OCTA and fluorescein angiographic images. | Year 1 | |
Primary | Assessment of change in pattern of ocular vascular flow before and after standard clinical surgical steps. | Presence or absence of change in ocular morphology in pattern of vascular flow compared to prior to surgical steps | Year 1 | |
Primary | Assessment of change in ocular morphology before and after standard surgical steps | Presence or absence of change in ocular morphology before and after standard surgical steps | Year 1 | |
Primary | Estimate of subretinal fluid volume before and after surgery for retinal detachment based on surgical view versus based on OCT output | Volume estimates from surgeons analyzed relative to the postoperative calculated volume from the intraoperative MIOCT | Year 1 |
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