Clinical trials: Lenses
Myopia
Performance Comparison Between Comfilcon A and Senofilcon C Lenses
The aim of this study is to determine the clinical performance of comfilcon A in comparison to senofilcon C.
- Trial name
- NCT02920957
- Testing
- comfilcon A, senofilcon C
- Where
- 5 sites in United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Aphakia
Clinical Evaluation of the FluidVision Accommodating Intraocular Lens (AIOL)
The purpose of this study is to evaluate the safety and effectiveness of an investigational IOL.
- Trial name
- NCT02049567
- Testing
- FluidVision AIOL, Cataract Surgery
- Where
- 8 sites in Germany, South Africa
- Volunteers
- 170 people
- Sponsor
- PowerVision
Refractive Error
Formula Identification (FID) 114657 in Contact Lens Wearers
The purpose of this study is to evaluate the thickness of the pre-lens tear lipid layer after 2 hours of lens wear with use of FID 114657 compared to saline control.
- Trial name
- NCT02293538
- Testing
- FID 114657 eye drops (10 ml), Saline control eye drops (15 ml), Habitual contact lenses
- Volunteers
- 234 people
- Sponsor
- Alcon Research
Allergic Conjunctivitis
Use of BEPREVE (Bepotastine Besilate Ophthalmic Solution) 1.5% for Allergic Conjunctivitis and Contact Lenses
The purpose of this study is to assess if BEPREVE (bepotastine besilate ophthalmic solution) 1.5% will have an effect on contact lens wear in patients with contact lens intolerance due to allergic conjunctivitis.
- Trial name
- NCT01337557
- Testing
- Bepotastine
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Hom, Milton M., OD, FAAO
Glaucoma, Cataract Senile
Effect of Presbyopic Correction Lens on Humphrey Visual Field Testing in Patients With Multifocal Intraocular Lens
Purpose of this study was to evaluate the effect of presbyopic correction lens on Humphrey visual field (HVF) testing in patients with 2 models of multifocal intraocular lens (MIOL) both with and without glaucoma.
- Trial name
- NCT05220007
- Testing
- Humphrey visual field testing
- Where
- Thailand
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Siriraj Hospital
Cataract
Illuminated Chopper in Cataract Surgery
This study compares cataract surgery performed with an illuminated chopper and intracameral illumination with cataract surgery performed under conventional external coaxial microscope illumination.
- Trial name
- IChopper (NCT07840885)
- Testing
- iChopper Illumination Chopper and iVision Light Source, Conventional Microscope Illumination
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- YES Eye Clinic
Myopia
A Clinical Comparison of Two Daily Disposable Contact Lenses.
The objective of this study is to evaluate the clinical performance of two daily disposable contact lenses.
- Trial name
- NCT00775021
- Testing
- etafilcon A, nelfilcon A
- Where
- United Kingdom
- Volunteers
- 123 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Comparison of the Capsular Stability With Two Different IOL Models in Patients With Pseudoexfoliation Syndrome: an Exploratory Study
The pseudoexfoliation (PXF syndrome) is caused by production and deposition of extracellular material in the anterior chamber of the eye as well as in other tissues of the body. Approx. 70 million worldwide have a PXF syndrome.
- Trial name
- NCT02155478
- Testing
- ISERT 250 (HOYA, Japan): a standard IOL, AMO ZCB00 IOL (Abbott Medical Optics, United States): a standard IOL
- Where
- Austria
- Volunteers
- 30 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Astigmatism
The Clinical Study of Silicone Hydrogel Daily Disposable Stenfilcon A Toric Lens
The aim of this study is to evaluate the clinical performance of stenfilcon A toric lenses compared with etafilcon A toric lenses for astigmatism.
- Trial name
- NCT02801006
- Testing
- stenfilcon A, etafilcon A
- Where
- 2 sites in Japan
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Intraocular Lens
Visual Outcomes and Contrast Sensitivity in Patients Implanted With Tecnis Eyhance Intraocular Lens
To compare visual outcomes for various distances, reading speed, contrast sensitivity, glare occurence, defocus curve and subjective satisfaction in patients implanted with the extended depth of focus lens (Tecnis Eyhance) in one…
- Trial name
- NCT04800887
- Testing
- TECNIS Eyhance intraocular lens, Monofocal intraocular lens Tecnis ZCB00
- Where
- Czechia
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Faculty Hospital Kralovske Vinohrady
Myopia, Cornea
Euclid Phoenix Lens Design Trial
The "first fit" success rate of the current Euclid orthokeratology "MAX" lens design will be compared to that of the new Euclid orthokeratology MAX "Phoenix" lens design in 30 children.
- Trial name
- NCT06389916
- Testing
- Euclid orthokeratology MAX (current design), Euclid orthokeratology MAX Phoenix (new design)
- Where
- 5 sites in United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Euclid Systems Corporation
Myopia, Astigmatism
Randomized, Prospective Comparison of the Outcome of Toric Implantable Contact Lens (TICL) and Q-LASIK for the Correction of Myopia With Astigmatism
The objective is to conduct a contralateral prospective clinical study to compare the safety, efficacy, and quality of vision of the STAAR Surgical Co.
- Trial name
- NCT01088568
- Testing
- the implantation of toric implantable collamer lens, customized laser-assisted in situ keratomileusis
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Cataract, IOL
Clinical Analysis of Two Toric Intraocular Lenses
Purpose: Comparison of two torical intraocular lenses with differents haptic design in patients with cataract. Methods: In this prospective, randomized clinical trial 120 eyes of 60 patients underwent phacoemulsification.
- Trial name
- NCT03371576
- Testing
- intraocular lenses
- Volunteers
- 60 people
- Sponsor
- Hospital Hietzing
Glaucoma, Glaucoma, Open-Angle
Long Term Outcome of Combined Phacoemulsification and Excisional Goniotomy With the Kahook Dual Blade
Purpose: Characterize changes in intraocular pressure (IOP), IOP-lowering medications, and visual acuity (VA) through 3 years in patients undergoing combined phacoemulsification and excisional goniotomy with the Kahook Dual Blade…
- Conditions
- Glaucoma, Glaucoma, Open-Angle, Cataract, Angle Closure Glaucoma
- Trial name
- NCT04476810
- Testing
- kahook dual blade
- Where
- Saudi Arabia
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Ahmed Al Habash
Cataract
Visual Performance With a Hydrophobic Aspheric Monofocal IOL
Artificial lenses, otherwise known as intraocular lenses (IOLs), are used to replace the natural crystalline lens within the eye during cataract or refractive lens surgery.
- Trial name
- NCT03819582
- Testing
- EyeCee One intraocular lens
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- University of Plymouth
Posterior Capsule Opacification, Cataract
Posterior Capsule Opacification Development With Two Different Intraocular Lenses
Age-related cataract is the main cause of impaired vision in the elderly population worldwide. The only treatment that can restore functional visual ability is cataract surgery where the opacified crystalline lens is removed by…
- Trial name
- MIPHY (NCT01734343)
- Testing
- HOYA iMics Y-60H, PhysIOL microAY
- Where
- Austria
- Volunteers
- 65 people
- Sponsor
- Medical University of Vienna
Cataract, Aphakia
Clareon Toric vs Eyhance Toric
The primary purpose of this study is to compare the Clareon/Clareon Toric Intraocular Lenses (IOLs) to the Eyhance/Eyhance Toric IOLs in binocular Best Corrected Distance Visual Acuity (BCDVA) at 3 months postoperative.
- Trial name
- NCT05481125
- Testing
- Clareon IOL, Clareon Toric IOL, Eyhance IOL
- Where
- 8 sites in United States
- Volunteers
- 203 people
- Sponsor
- Alcon Research
Visual Acuity
Comparison of a Silicone Hydrogel Daily Disposable Multifocal Contact Lens to a Marketed Product
This is a single-masked, 2×3 crossover, randomized-controlled, dispensing clinical trial to evaluate overall quality of vision.
- Trial name
- NCT05258149
- Testing
- JJVC Investigational Multifocal Contact Lenses, Dailies Total 1® Multifocal Contact Lenses
- Where
- 12 sites in United States
- Volunteers
- 143 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Clinical Investigation of OMEGA Gemini Capsule, Model Gemini IV With an Approved Monofocal or Toric IOL
This study is a prospective, randomized, controlled, paired eye, subject-masked design.
- Trial name
- NCT04058314
- Testing
- Gemini IV, Control Eye
- Where
- Costa Rica
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Omega Ophthalmics
Presbyopia
Clinical Efficacy of the Pinhole Soft Contact Lenses for Correcting Presbyopia
For correct of presbyopia, in this study, the investigators have recruited subjects who aged 45~65 years with presbyopia and do not have any other ocular disease(ex, ocular surface disease, corneal dystrophy, retinal disorders…
- Trial name
- NCT02612584
- Testing
- Pinhole Soft Contact Lens apply for presbyopia
- Where
- South Korea
- Volunteers
- 30 people
- Sponsor
- Yonsei University
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