Clinical trials: Cataracts
Congenital Cataract
Reduction of Corneal Astigmatism With Toric Intraocular Lens Implantation in Congenital Cataract
This study was conducted to evaluate changes of reduction of corneal astigmatism with toric intraocular lens(IOL) in congenital cataract.
- Trial name
- NCT02040129
- Testing
- Acrysof Toric IOL
- Where
- South Korea
- Volunteers
- 4 people
- Sponsor
- Kyungpook National University Hospital
Capsule Opacification, Tissue Adhesions
Evaluate Capsular Apposition to Intraocular Lens
In this study, the investigators examined the capsule-IOL interaction including anterior and posterior capsule adhesion, contact between posterior capsule and the posterior edge of intraocular lense (IOL), configuration of…
- Conditions
- Capsule Opacification, Tissue Adhesions, Aphakia - Lens Capsule Present, Opacification of Intraocular Lens
- Trial name
- NCT01605812
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Wenzhou Medical University
Intraocular Foreign Body
Extraction Routes of Intraocular Foreign Body
Intra ocular foreign body removal is indicated to avoid further many complications such as retinal detachment, endophthalmitis. The surgical approach for a posterior segment IOFB is pars plana vitrectomy and its extraction either…
- Trial name
- IOFB (NCT05966545)
- Testing
- pars plana vitrectomy and intraocular foreign body removal
- Where
- Egypt
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Zagazig University
Capsular Contracture, Implant, Pediatric Cataract
Capsular Outcomes of Pediatric Cataract Surgery With Primary Intraocular Lens Implantation
Lens capsular often changes after pediatric cataract surgery，causing complications such as anterior capsulerhexis shrinkage, visual axis opacification (VAO), zonular dehiscence and so on.
- Trial name
- capsular (NCT04803097)
- Where
- China
- Volunteers
- 62 people
- Sponsor
- Yune Zhao
Cataract With Exfoliation Syndrome
Efficacy of a Capsular Tension Ring in Preventing Anterior Capsule Shrinkage After Cataract Surgery in Exfoliation Syndrome
The purpose of this study is to examine the efficacy of a capsular tension ring (CTR) in preventing anterior capsule shrinkage after cataract surgery in exfoliation syndrome (XFS) with no zonular weakness.
- Trial name
- Effect of CTR (NCT01455168)
- Where
- Japan
- Volunteers
- 30 people
- Sponsor
- University of Occupational and Environmental Health
Pediatric Glaucoma
Combined Phacoaspiration and Angle Surgery Versus Phacoaspiration in Pediatric Cataract
The aim of this study is to report the effectiveness of phacoaspiration when combined with angle surgery in preventing postoperative glaucoma following pediatric cataract surgery
- Trial name
- NCT05401760
- Testing
- Group A :combined phacoaspiration and angle surgery, Group B : phacoaspiration only
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Mansoura University
Cataract, Postoperative Complications
Validation of an Artificial Intelligence System for Postoperative Management of Cataract Patients
Cataract surgery is the current standard of management for cataract patients, which is typically succeeded by a postoperative follow-up schedule.
- Conditions
- Cataract, Postoperative Complications, Artificial Intelligence
- Trial name
- NCT04138771
- Testing
- An artificial intelligence system for postoperative management of cataract patients
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Sun Yat-sen University
Peripheral Vascular Access in Pediatric Patients, Peptic Ulcer
The Effect of Vascular Imaging Devices on Success Rates of Peripheral Vascular Access in Pediatric Patients
The study was designed as a prospective, observational study. Pediatric patients under 18 years of age scheduled for peripheral vascular access placement during day-case surgery or non-operating room anesthesia (NORA) will be…
- Conditions
- Peripheral Vascular Access in Pediatric Patients, Peptic Ulcer, Cataract, Crohn's Disease
- Trial name
- NCT07315711
- Where
- 6 sites in Turkey (Türkiye)
- Volunteers
- 500 people
- Sponsor
- Sibel Seçkin Pehlivan
Glaucoma, Cataract
Eye Drop Dispensers: Safety, Efficacy and Comfort.
One aspect to eye drop adherence is successful instillation of the drops; however, it is well known that many patients struggle with this task.
- Conditions
- Glaucoma, Cataract, Healthy Subjects
- Trial name
- NCT03417453
- Testing
- Eye Drop Dispenser TYPE Opticare, Eye Drop Dispenser Autodrop
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Wolfson Medical Center
Blindness, Cataract
Long Term Follow-Up of Diabetic Retinopathy
The efficacy of laser photocoagulation treatment for diabetic retinopathy has been demonstrated by several National Eye Institute (NEI) sponsored clinical trials.
- Conditions
- Blindness, Cataract, Diabetes Mellitus, Diabetic Retinopathy
- Trial name
- NCT00001395
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- National Eye Institute (NEI)
Cataract, Miosis
Nepafenac Versus Ketorolac Eye Drops in Prevention of Intraoperative Miosis During Cataract Surgery
This study aim at determining the efficacy of Nepafenac and Ketorolac in obtaining adequate intraoperative mydriasis and preventing miosis during cataract surgery.
- Trial name
- NCT03851172
- Testing
- Ketorolac Ophthalmic, Nepafenac Ophthalmic, Cyclopentolate Ophthalmic
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Assiut 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
Crystalline Cataract, Lens; Anomaly
Age-related Changes of Crystalline Lens Tilt and Decentration: A Swept-source Optical Coherence Tomography Study
230 participants at Eye Hospital of Wenzhou Medical University during June, 2019 and August, 2019 were enrolled in this study. 230 right eyes and 88 left eyes were included for the measurement.
- Trial name
- NCT04487795
- Where
- China
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Yune Zhao
Congenital Cataract
Analysis of Retinal Nerve Fiber Layer and Macular Thickness After Congenital Cataract Surgery
Congenital cataract is the main cause of form deprivation amblyopia in children. Current studies confirm that form deprivation amblyopia affects the retinal nerve fiber layer.
- Trial name
- NCT03621579
- Testing
- cataract surgery
- Where
- 2 sites in China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Cataract, High Myopia
Evaluation of Cataract Surgery Outcome
The purpose of this study is to evaluate the visual outcome of the cataract surgery, including best uncorrected and corrected visual acuity, spherical equivalent, wavefront aberration and other measurements.
- Trial name
- NCT02182921
- Where
- China
- Volunteers
- 20,000 people
- Sponsor
- Evidence Based Cataract Study Group
Cataract
An Interocular Comparative Study of Unilateral Cataract
The purpose of this cross-sectional study is to compare bilateral anterior segment parameters, macular thickness, and BCVA at 3 months after uncomplicated unilateral pediatric cataract extraction with primary IOL implantation to…
- Trial name
- NCT02765230
- Where
- China
- Volunteers
- 53 people
- Sponsor
- Sun Yat-sen University
Surgery, Cataract
Routine Surgical Procedures During COVID-19 Pandemic: a French Nationwide Cohort Study
Determine the consequences of COVID-19 pandemic on routine targeted surgeries. Five surgical procedures were considered : cataract surgery, hip and knee arthoplasties, coronary revascularisation by angioplasty and definitive…
- Conditions
- Surgery, Cataract, Hip Arthroplasty, Knee Arthroplasty
- Trial name
- NCT05197660
- Testing
- surgical procedures
- Where
- France
- Volunteers
- 2,000,000 people
- Sponsor
- EPI-PHARE
Congenital Cataract
The Effect of Ophthalmic Solutions on Contact Lenses Used After Surgery for Congenital Cataract Investigated in Vivo
Patients with congenital cataract operated at St. Erik Eye Hospital are given the topical steroid dexamethasone (Isopto-Maxidex) according to a set treatment plan.
- Trial name
- NCT03125785
- Volunteers
- 80 people
- Sponsor
- St. Erik Eye Hospital
Aphakia
A Real-World Evidence (RWE) Long-Term Follow-Up Study to Assess Outcomes of Alcon Monofocal Intraocular Lenses
The purpose of this post-market clinical follow-up (PMCF) study is to describe the long-term safety and performance of AcrySof Single-Piece and AcrySof Multi-Piece monofocal intraocular lenses (IOLs).
- Trial name
- NCT05799950
- Testing
- AcrySof single-piece IOL, AcrySof multi-piece IOL
- Where
- 7 sites in United States, Puerto Rico
- Volunteers
- 138 people
- Sponsor
- Alcon Research
Cataract
Dynamic Light Scattering for Studying Lens Aging and Cataract Formation
This study will use dynamic light scattering (DLS) technology to study normal lens aging and early cataract formation. Cataract is a clouding of the lens that interferes with the passage of light to the retina, impairing visual…
- Trial name
- NCT00081991
- Where
- United States
- Volunteers
- 267 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)