Clinical trials: Cataracts
Cataract Extraction, Fasting
Preoperative Fasting for Ambulatory Cataract Surgery: The PRACTICE Study
The current standard for cataract surgery is phacoemulsification with intraocular lens (IOL) implantation. In this procedure, topical anesthesia has become favoured over local anesthetic blocks due to potential serious…
- Conditions
- Cataract Extraction, Fasting, Aspiration Pneumonitis
- Trial name
- PRACTICE (NCT03828500)
- Testing
- Assistant-encouraged fasting up to ASA/CAS guideline limits
- Where
- Canada
- Volunteers
- 150 people
- Sponsor
- University of Toronto
Amblyopia, Myopia
Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population
Screening of haitian children between the ages of 3 and 6 years old for amblyogenic risk factors with the use of the Spot photoscreener. The photoscreener results will be compared to the complete ophthalmologic evaluation.
- Conditions
- Amblyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- POPH (NCT02655432)
- Testing
- Spot photoscreener, Ophthalmologic evaluation, Cyclopleged refraction
- Where
- 3 sites in Haiti
- Volunteers
- healthy volunteers welcome
- Sponsor
- Université de Montréal
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
Glaucoma, Cataract
Effect of Elevated Intraocular Pressure in Glaucoma Patients During Femtolaser Cataract Surgery
The use of the femtosecond laser causes an increase in the intraocular pressure (IOP) between 100 mm Hg and 200 mm Hg for a period of about 80 seconds (suction phase).
- Trial name
- FEMTOHTO (NCT02835482)
- Testing
- Femtolaser surgery, Phacoemulsification
- Where
- France
- Volunteers
- 15 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Cataract
Developmental Profile of Ocular Refraction in Patients With Congenital Cataract
The purpose of prospective cohort study is to describe the developmental profile of refraction change in a large cohort of Chinese CC patients.
- Trial name
- NCT02761850
- Where
- China
- Volunteers
- 1,164 people
- Sponsor
- Sun Yat-sen University
Inflammation
Study of Difluprednate Ophthalmic Emulsion in the Treatment of Postoperative Inflammation
The purpose of this phase 2 study is to determine if difluprednate ophthalmic emulsion is effective in the treatment of postoperative inflammation.
- Trial name
- NCT00407225
- Testing
- Difluprednate Ophthalmic Emulsion
- Volunteers
- 24 people
- Sponsor
- Sirion Therapeutics, Inc.
Ocular Inflammation
KPI-121 1% Versus Prednisolone for the Treatment of Inflammation Following Cataract Surgery in Children
This study is designed to assess how KPI-121 1% compares to prednisolone acetate in reducing inflammation after cataract surgery in young children.
- Trial name
- NCT03596723
- Testing
- KPI-121 1%, Prednisolone acetate
- Where
- 4 sites in United States
- Volunteers
- 2 people
- Sponsor
- Kala Pharmaceuticals, Inc.
Cataract
A Study Assessing the Safety and Efficacy of Dextenza® for the Treatment of Ocular Pain and Inflammation Following Surgery for Pediatric Cataract
To assess the safety of Dextenza compared to an active control, prednisolone acetate suspension, for the treatment of postoperative pain and inflammation following ocular surgery for pediatric cataract.
- Trial name
- NCT04539548
- Testing
- Dextenza Ophthalmic Insert, Prednisolone acetate ophthalmic suspension USP 1%
- Where
- 14 sites in United States
- Volunteers
- 65 people
- Sponsor
- Ocular Therapeutix, Inc.
Cataract
Evaluation of Therapeutic Strategies in Pediatric Cataract Surgery
The purpose of this observational study is to assess the therapeutic strategies in the treatment of pediatric cataracts.
- Trial name
- EP3C (NCT02253017)
- Testing
- Children operated on for cataract
- Where
- France
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Cataract
Evaluation of the Age-Related Eye Disease Study (AREDS) Clinical Lens Grading System
This study will evaluate a system developed to grade the severity of age-related cataract, a common cause of vision loss in older adults.
- Trial name
- NCT00078299
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- National Eye Institute (NEI)
Pediatric Cataract
Outcome of Capsular After Pediatric Cataract Surgery With Primary Intraocular Lens Implantation
The aim of this study is to evaluate the outcome of capsular in children with cataract, and to explore potential preoperative structural clues for postoperative glaucoma.
- Trial name
- Capsular (NCT04357249)
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Wenzhou Medical University
Cataract
Anterior Capsule Polishing Effect on Effective Lens Position
The purpose of this study is to evaluate effects of anterior capsule polishing on effective lens position (ELP) and actual axial movement of the intraocular lens (IOL) by measuring anterior chamber depth (ACD) patients with…
- Trial name
- NCT01598428
- Testing
- anterior capsule polishing
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Shandong University
Outcome of Stepped Cataract Surgery in Uveitis
Stepped Surgery in Uveitic Cataract: A Novel Approach to a Quiet Eye
This study aims to assess the short-term results of primary phacoemulsification and secondary posterior chamber intraocular lens (PCIOL) implantation in patients with uveitis.
- Trial name
- NCT04931277
- Testing
- cataract surgery
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Mansoura University
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
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
Patient Cataract
Propofol Versus Sevoflurane Anesthesia on the Intraocular Pressure and Hemodynamics in Patient Undergoing Cyclophotocoagulation
we use two different technique of anaesthesia for anaesthesia of patient undergoining CPC operation (20 each) were comparable with regard to demographic data and hemodynamic variables, IOP.
- Trial name
- cyclophotocoag (NCT07445672)
- Testing
- Propofol and Fentanyl administration, Sevoflurane and fentanyl administration
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Sohag University
Eye Diseases
Evaluation and Treatment of Pediatric, Developmental, and Genetic Eye Diseases
This study will evaluate and treat children or adults with inherited or developmental eye conditions. It will allow specialists in pediatric ophthalmology, genetic ophthalmology, and ocular motility at the National Eye Institute…
- Trial name
- NCT00076271
- Where
- 2 sites in United States
- Volunteers
- 350 people
- Sponsor
- National Eye Institute (NEI)
Cataract, High Myopia
Artificial Intelligence for Highly Myopic Cataract
This study aims to establish a multi-center artificial intelligence model for the accurate calculation of intraocular lens and its clinical application in highly myopic cataract, so as to improve the accuracy of the prediction of…
- Conditions
- Cataract, High Myopia, Myopia, Automatic Judgement
- Trial name
- AI-HMC (NCT06616506)
- Testing
- newly-invented AI model
- Where
- China
- Volunteers
- 500,000 people
- Sponsor
- Shanghai High Myopia Study Group
Cerebra-retinal Angiopathy
COL4A1 Gene Related Cerebra-retinal Angiopathy
This prospective multicenter cohort study aims to define the clinical, radiological and mutational spectrum of the disease related to COL4A1 gene.
- Trial name
- COL4A1 (NCT01097564)
- Testing
- COL4A1 genetic testing
- Where
- France
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Macular, Congenital Cataract
Effects of 23-gauge Lensecotomy Combined With Anterior Vitrectomy on Macular in Children With Congenital Cataract
Congenital cataract is the main cause of form deprivation amblyopia in children. Current studies confirm that form deprivation amblyopia affects the macular development.
- Trial name
- NCT04077489
- Testing
- cataract surgery
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- yin ying zhao