Clinical trials: Cataract
Macular Holes, Epiretinal Membrane
Intraoperative OCT Guidance of Intraocular Surgery II
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.
- Conditions
- Macular Holes, Epiretinal Membrane, Diabetic Retinopathy, Retinal Detachment
- Trial name
- MIOCT (NCT03713268)
- Testing
- Microscope integrated optical coherence tomography
- Where
- United States
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Duke University
Cataract, Vitreous Hemorrhage
Study on Eye-Brain Cross-Organ Mapping and Systemic Disease Association Based on Multimodal Big Data
This project integrates multimodal eye data (CFP, OCT, OCTA) from 50,000 cases, brain MR data from 150,000 cases, and ICD diagnoses, medical orders, and test results from an eye-brain paired cohort of 8,000 cases to construct an…
- Conditions
- Cataract, Vitreous Hemorrhage, Diabetic Eye Diseases, Cerebral Small Vessel Disease
- Trial name
- NCT07541651
- Testing
- No interventions were involved in this study.
- Volunteers
- 208,000 people, healthy volunteers welcome
- Sponsor
- Beijing Friendship Hospital
Cataract Surgery, Eye Care
Effect of Vision Centers on Access to Eye Care and Eye Health Outcomes
This cluster-randomized trial aims to evaluate the effect of vision centers on access to eye care and eye health outcomes in South Asia. The main questions it aims to answer are: 1.
- Conditions
- Cataract Surgery, Eye Care, Glasses, Primary Eye Care
- Trial name
- NCT07227714
- Testing
- Establishment of a vision center
- Where
- United States
- Volunteers
- 150,000 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Refractive Errors, Cataract
Xinxing Eye Cohort Study
To establish the baseline levels and monitor the progress of two newly introduced global eye health indicators in Xinxing County, including effective refractive error coverage (eREC) and effective cataract surgery coverage…
- Trial name
- NCT07257536
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Ophthalmic Diseases (Specific Types Not Restricted), Cataract
Research on a New Intelligent Mobile Screening and Diagnosis Pattern for Ocular Diseases
The global distribution of primary ophthalmic medical resources is uneven, and the traditional eye disease screening model has problems such as low efficiency, high cost and limited coverage.
- Conditions
- Ophthalmic Diseases (Specific Types Not Restricted), Cataract, Refraction Error, Diabetic Retinopathy (DR)
- Trial name
- NCT07003165
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Nuclear Cataract
Less Discomfort and Less Pharmacology. Cataract Surgery at Physiologic Intraocular Pressure (IOP)
To investigate the impact of high vs low Intraocular Pressure (IOP) on the intraoperative experience for the patient and surgeon.
- Trial name
- NCT06325397
- Testing
- High Intraocular Pressure (IOP), Low Intraocular Pressure (IOP)
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Matthew Rauen
Cataract
Using Psychophysics Methods to Investigate Sensory Dominance After Cataract Surgery
Using Psychophysics Methods for Quantitative Assessment of Sensory Binocular Imbalance After Cataract Surgery
- Trial name
- NCT06751342
- Where
- China
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Nuclear Cataract
Phacoemulsification at High IOP and Physiologic IOP: Impact on Anterior and Posterior Segment Physiology
The purpose of this study is to investigate the anterior and posterior structure and functional changes and vascular alterations when performing phacoemulsification at high IOP vs low, more physiological IOP using Centurion®…
- Trial name
- NCT05765201
- Testing
- High IOP, Low IOP
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Matthew Rauen
Childhood Cataract
Infrared Choroidal Reflectance Camera for the Detection of Childhood Cataract
Sensitivity and specificity of current screening methods for childhood cataracts is poor. This results in delayed diagnosis and management which can decrease the visual prognosis following cataract surgery.
- Trial name
- NCT03035292
- Testing
- Red-reflex assessment, Infrared-reflex assessment
- Where
- United Kingdom
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Cataract Senile, Macula Hole
Ocular Coherence Tomography During Cataract Assessment
Many patients will have underlying maculopathy present when undergoing cataract surgery, which are not visible on fundoscopy alone.
- Conditions
- Cataract Senile, Macula Hole, Epiretinal Membrane, Age Related Macular Degeneration
- Trial name
- NCT05287269
- Testing
- Ocular Coherence Tomography
- Where
- United Kingdom
- Volunteers
- 626 people, healthy volunteers welcome
- Sponsor
- Brighton and Sussex University Hospitals NHS Trust
Cataract
Long Term Outcomes of Vivity Intra Ocular Lens(IOL) Versus Control
Evaluate the long-term (>1 yr) outcomes of the Vivity IOL. The investigator will use similar measurements and procedures to the ones performed on these subjects during the FDA clinical trial.
- Trial name
- REVIVE (NCT04561570)
- Testing
- Vivity ACRYSOF IQ IOL Group, ACRYSOF IQ IOL Control Group
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- John Berdahl, MD
Zonule of Zinn Abnormality, Zonular Cataract
Repeatability and Reproducibility of Lens Zonule Length Measurement Using ArcScan Insight 100
The purpose of this study is to evaluate the intra-examiner repeatability and inter-examiner reproducibility in lens zonule length measurements using very high-frequency (VHF) digital ultrasound (ArcScan Insight 100).
- Trial name
- NCT05657951
- Testing
- ArcScan Insight 100 very high-frequency digital ultrasound
- Where
- China
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Congenital Cataracts
Effects of Visual Reconstruction on Brain Function and Structure in Children With Congenital Cataract
Children have considerable plasticity of the visual system during the formation and maturation of various visual functions at different ages. Congenital cataracts are the leading cause of treatable blindness in children.
- Trial name
- NCT05527925
- Testing
- MRI
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Surgical Education
Global Learning: an Orbis Virtual-platform Evaluation Study
Currently, surgical training is often conducted using the traditional "apprentice model", where a trainee observes a qualified surgeon and learns from him/her, and then the surgeon supervises the trainee performing surgery on a…
- Trial name
- GLOVES (NCT04908072)
- Testing
- Orbis-FundamentalVR MSICS Simulator
- Where
- United Kingdom
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Orbis
MCS vs ReLACS, Pain Perception Postoperative
Manual Immediately Sequential Bilateral Cataract Surgery (M-ISBCS) vs Refractive Laser-Assisted Immediately Sequential Bilateral Cataract Surgery (ReLA-ISBCS)
The focus of this study is to assess the differences in patient perceptions of pain undergoing cataract surgery by using the Refractive Laser-Assisted Cataract Surgery (ReLACS) technique compared to the standard Manual Cataract…
- Conditions
- MCS vs ReLACS, Pain Perception Postoperative, Early Anesthesia vs Standard Anesthesia, Immediately Sequential Bilateral Cataract Surgery
- Trial name
- NCT05480839
- Testing
- M-IBCS, ReLA-IBCS Early, ReLA-ISBCS
- Where
- Canada
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Uptown Eye Specialists
Cataract, Lens Opacities
A Comparison of FineVision Intraocular Lenses vs Symfony Intraocular Lenses
This is a prospective randomised open-label study with the aim to compare the visual performance of the trifocal FineVision® IOL versus the extended range of vision Symfony® IOL after phaco-emulsification cataract surgery.
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- NCT03974451
- Testing
- IOL implantation experimental, IOL implantation active comparator
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Congenital Cataract
Digital Imaging Versus Ophthalmoscopy
Cataract (cloudiness of the lens) is the major cause of avoidable child blindness in the world and affects 1 in 3000 UK infants.
- Trial name
- DIvO (NCT05282147)
- Testing
- Neocam
- Volunteers
- 140,000 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Keratoconus, Eye Diseases
Development of a Keratoconus Detection Algorithm by Deep Learning Analysis and Its Validation on Eyestar Images
Monocentric clinical study to develop an imaging analysis algorithm for the Eyestar 900 to identify keratoconus corneas and improve biometry for intraocular lens calculations
- Conditions
- Keratoconus, Eye Diseases, Cataract, Corneal Ectasia
- Trial name
- DKDA (NCT04763785)
- Testing
- Corneal tomography with Eyestar 900, Corneal tomography with Pentacam, Biometry with IOL-Master
- Where
- Switzerland
- Volunteers
- 4,800 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Cataract After
Patient Acceptability of Autonomous Telemedicine
Patients will have an automated call supervised by a human clinician to check how they are after uncomplicated cataract surgery as part of their standard of care.
- Trial name
- NCT04885868
- Testing
- This study assess acceptability of autonomous conversation as part of cataract surgery follow up.
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Ufonia
Cataract, Diabetic Retinopathy
Diabetic Retinopathy and OCT-A Changes Post-cataract Surgery
The purpose of this study is to use optical coherence tomography angiography (OCT-A) to compare retinal vasculature after uncomplicated cataract surgery in patients with and without diabetic retinopathy.
- Conditions
- Cataract, Diabetic Retinopathy, Macular Edema Due to Diabetes Mellitus
- Trial name
- NCT04660006
- Testing
- Cataract surgery
- Where
- Canada
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Uptown Eye Specialists