Clinical trials: IOL
Cataract, Refractive Errors
Comparison of Intraocular Lens Power Calculation Methods After Corneal Laser Refractive Surgery in Axial and Refractive Ammertropia
The study aims at determining the best biometry calculation formula to be used in IOL calculation of cataract patients how previously underwent laser refractive correction surgery
- Trial name
- NCT01979172
- Where
- Egypt
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- The National Eye Hospital, Cairo, Egypt
Eye Diseases
Effect of Chitosan-N-Acetylcysteine on IOL-power Prior to Cataract Surgery
Aim of this study is to evaluate the effect of treatment with Lacrimera® on calculated IOL power prior to cataract surgery and on the stability of ocular surface parameters compared to preservative-free, Hyaluronic-acid…
- Trial name
- NCT05049629
- Testing
- Lacrimera, Hylo-Vision
- Where
- Austria
- Volunteers
- 30 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Cataract
Comparison of Postoperative Visual Acuity and Spectacle Independence Between the Tecnis Multifocal Intraoculer Lens (IOL) and the Crystalens Accommodating IOL
Comparison of postoperative visual acuity and spectacle independence between the Tecnis Multifocal Intraoculer Lens (IOL) and the crystalens Accommodating IOL
- Trial name
- NCT01275118
- Testing
- Tecnis Multifocal IOL, crystalens Accommodating IOL
- Where
- United States
- Volunteers
- 26 people
- Sponsor
- Mark Packer, MD, FACS
Cataract
Visual Outcomes and Patient Satisfaction After Bilateral Implantation of Non-diffractive EDOF IOL Made of a New Hydrophobic Acrylic Material
The objective is to measure the range of vision and patient reported visual disturbances after bilateral implantation for this unique non-diffractive extended depth of focus (EDOF) intraocular lens (IOL) made from the Clareon…
- Trial name
- NCT05488769
- Testing
- Clareon Vivity extended depth of focus (EDOF) intraocular lens
- Where
- Canada
- Volunteers
- 6 people
- Sponsor
- Thomas Nagy
Cataract
Safety and Efficacy of a Violet Visible Light Blocking Intraocular Lens (IOL)
The purpose of this study is to evaluate the safety and effectiveness of a new investigational modified light transmission monofocal intraocular lens compared to a conventional intraocular lens (IOL).
- Trial name
- NCT00747227
- Testing
- modified light transmission intraocular lens, monofocal acrylic intraocular lens
- Where
- 11 sites in United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Cataract and IOL Surgery, Cataract Surgery Anesthesia
The Impact of Physiologic Cataract Surgery on Patient Comfort and Medication Usage
The study will pertain to investigating the impact of high vs low IOP on the intraoperative experience and comfort for the patient and surgeon.
- Conditions
- Cataract and IOL Surgery, Cataract Surgery Anesthesia, Cataract Surgery Experience, Nuclear Cataract
- Trial name
- NCT07223866
- Testing
- High IOP Setting, Low IOP Setting
- Where
- United States
- Volunteers
- 85 people
- Sponsor
- Matthew Rauen
Cataract
Clinical Investigation of the Clareon® Intraocular Lens (IOL)
The objective of this study is to compare visual acuity and adverse event outcomes from the Clareon intraocular lens (IOL) to historical safety and performance endpoint (SPE) rates.
- Trial name
- NCT03170154
- Testing
- Clareon aspheric hydrophobic acrylic monofocal IOL
- Where
- 16 sites in United States
- Volunteers
- 376 people
- Sponsor
- Alcon Research
Cataract, Presbyopia
Clinical Investigation of the Visual Outcomes and Safety of a Trifocal Intraocular Lens (IOL) in a Korean Population
The purpose of this study is to confirm the effectiveness of the investigational lens in a Korean population, especially for visual performance, quality of vision, and subject satisfaction with the visual outcome, as well as the…
- Trial name
- NCT03268746
- Testing
- AcrySof IQ PanOptix Multifocal IOL
- Where
- 4 sites in South Korea
- Volunteers
- 52 people
- Sponsor
- Alcon Research
Cataract, Vitreoretinal Abnormality
Influence of Different Tamponade Eyes on IOL-capsular Complex
Cataract and vitreoretinal diseases often occur simultaneously or cataract is a predictable consequence of vitreoretinal surgery.A combined surgery called phacovitrectomy, has been proved to be comparably safe and effective…
- Trial name
- NCT05296486
- Testing
- phacovitrectomy surgery with silicone oil tamponade, phacovitrectomy surgery with gas tamponade, phacovitrectomy surgery with balanced saline solution tamponade
- Volunteers
- 100 people
- Sponsor
- Wenzhou Medical University
High Myopia, Capsular Tension Ring
Influence of Capsular Tension Ring on IOL-capsular Complex After Cataract Surgery in Patients With High Myopia: a Clinical Observation Based on SS-OCT
The IOL-capsular complex is formed after cataract surgery and intraocular lens (IOL) implantation.Early postoperative mechanical wrapping of the anterior and posterior capsules plays a significant role in preventing IOL…
- Trial name
- NCT05095194
- Testing
- Cataract surgery with IOL implantation and with/without capsular tension ring implatation
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Wenzhou Medical University
Angioimmunoblastic T-cell Lymphoma, B-cell Childhood Acute Lymphoblastic Leukemia
Oxaliplatin, Ifosfamide and Etoposide in Treating Young Patients With Recurrent or Refractory Solid Tumors or Lymphoma
This phase I trial is studying the side effects and best dose of oxaliplatin and etoposide in treating young patients with recurrent or refractory solid tumors or lymphomas.
- Conditions
- Angioimmunoblastic T-cell Lymphoma, B-cell Childhood Acute Lymphoblastic Leukemia, B-cell Chronic Lymphocytic Leukemia, Childhood Burkitt Lymphoma
- Trial name
- NCT00101205
- Testing
- oxaliplatin, etoposide
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- National Cancer Institute (NCI)
Cataract
Longitudinal Changes in Refractive Error After Primary IOL Implantation Among Children With Congenital Cataract
The purpose of prospective cohort study is to estimate the rate of change in postoperative change after primary IOL implantation among children with congenital cataract(CC) and to explore key factors associated with the rate of…
- Trial name
- NCT04441268
- Testing
- primary IOL implantation
- Where
- China
- Volunteers
- 335 people
- Sponsor
- Sun Yat-sen University
Cataract
Effect of Blue Light Filtration on Visual Performance
The purpose of this study is to evaluate photostress recovery with blue light filter clip-on glasses among pseudophakes [ie, subjects in which the natural lens of the eye has been replaced with an artificial lens (intraocular…
- Trial name
- NCT01938989
- Testing
- Clear clip-on glasses, Blue light filter clip-on glasses
- Volunteers
- 158 people
- Sponsor
- Alcon Research
Cornea, Astigmatism
Multifocal-toric IOL Compared to Multifocal IOL Combined With Limbal Relaxing Incisions for Correction of Moderate Astigmatism During Cataract Surgery
The purpose of the present study is to compare the outcome of multifocal toric intraocular lens with standard multifocal lens plus incisional surgery in patients undergoing bilateral cataract surgery.
- Conditions
- Cornea, Astigmatism, Cataract
- Trial name
- NCT06277349
- Testing
- Toric multifocal IOL, Non-toric multifocal IOL
- Volunteers
- 30 people
- Sponsor
- Moorfields Eye Hospital NHS Foundation Trust
Outcomes Following Restor IOL Lens Implant
Clinical Outcomes After AcrySof® ReStor IOL Surgery in Faculty Practice at UTSW Medical Center at Dallas: A Retrospective Review
To evaluate the clinical outcomes of AcrySof® ReSTOR® IOL for the Faculty Practice at UTSW Medical Center at Dallas
- Trial name
- NCT00344578
- Testing
- Restor IOL
- Where
- 2 sites in United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Cataract
Postoperative Outcome Verification of Discrepant Toric IOL Calculator Recommendations After Cataract Surgery
The goal of this observational study is to learn which toric lens calculator best predicts the astigmatism remaining after cataract surgery in adults who received a TECNIS DIU toric intraocular lens (IOL) at Klinik Hietzing…
- Trial name
- NCT07880249
- Testing
- Standardized Postoperative Outcome Visit, Toric IOL Calculator Pathways (Exposure)
- Volunteers
- 128 people
- Sponsor
- Vienna Hospital Association
Cataract
Comparison Between a Toric Monofocal and Multifocal Intraocular Lens
The primary objective of the study is to observe the rotational stability of the implant 30 minutes, one day, 6 weeks, 6 months and 12 months after the implant surgery.
- Trial name
- NCT04907318
- Testing
- Cataract surgery
- Where
- Switzerland
- Volunteers
- 60 people
- Sponsor
- Beaver-Visitec International, Inc.
Cataracts, Cataract Surgery
Endothelial Cell Loss and Induced Astigmatism After Wound-directed and Wound-assisted IOL Injection
The purpose of this study is to determine if there is any difference in astigmatism (eye surface curvature) or corneal endothelial cell density (the inner cell lining of the eye surface) after two different methods for inserting…
- Trial name
- NCT01250964
- Testing
- Lens insertion during cataract surgery
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- University of North Carolina, Chapel Hill
Cataract
Post-Market Clinical Survey of Clareon® IOL AutonoMe™ in Japanese Subjects
This purpose of this survey study is to collect and describe clinical outcomes for the intraocular lens (IOL) delivery performance of Clareon® IOL AutonoMe™ when used in daily practice.
- Trial name
- NCT03824028
- Testing
- Clareon® IOL AutonoMe™ automated preloaded delivery system
- Where
- 3 sites in Japan
- Volunteers
- 384 people
- Sponsor
- Alcon Research
Dislocated Intraocular Lens
Modification of Scleral Suture Fixation of Dislocated IOL
A prospective randomized study on patients with late in the bag intraocular lens (IOL) dislocation after cataract surgery. Two surgical techniques of suturing of IOL to the sclera will be compared in the study.
- Trial name
- NCT04150263
- Testing
- Intraocular lens (IOL) ab externo scleral suture fixation, Modified IOL ab externo scleral suture fixation
- Where
- Sweden
- Volunteers
- 117 people
- Sponsor
- St. Erik Eye Hospital