Clinical trials: Lens Disease
Myopia
Myopia Control With the Multi-segment Lens
The purpose of this study is to determine if the Multiple-Segment (MS) spectacle lens can slow myopia progression in Hong Kong schoolchildren. MS lens is also called Defocus Incorporated Multiple Segments (DIMS) spectacle lens
- Trial name
- NCT02206217
- Testing
- Multiple-Segment spectacle lens
- Where
- 2 sites in China, Hong Kong
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Cataract, Diabetes Mellitus Type 2
Role of Metformin in Posterior Capsule Opacification
Determination of concentrations of systemically applied metformin in human lens capsule and its ability to lower the proliferation rate of human lens epithelial cells in vitro.
- Trial name
- NCT07176338
- Testing
- Blood and lens capsule samples for PK testing
- Where
- Austria
- Volunteers
- 40 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Glaucoma, Angle-Closure, Cataract
Comparison of Phacotrabeculectomy and Trabeculectomy in the Treatment of Primary Angle-closure Glaucoma (PACG)
Primary angle closure glaucoma (PACG) is caused by contact between the iris and trabecular meshwork, which in turn obstructs outflow of the aqueous humor from the eye.
- Trial name
- NCT01298635
- Testing
- combined phacotrabeculectomy, trabeculectomy
- Volunteers
- 31 people
- Sponsor
- Sun Yat-sen University
Primary Open Angle Glaucoma, Ocular Hypertension
Study of LL-BMT1 in Patients With Elevated Intraocular Pressure
This is an open-label, Phase 2a clinical study of LL-BMT1 in patients with primary open-angle glaucoma and ocular hypertension. Study subjects will be treated for 7 days with a single dose of LL-BMT1.
- Trial name
- NCT04747808
- Testing
- LL-BMT1
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- MediPrint Ophthalmics, Inc.
Myopia
Refitting Frequent Replacement Lens Wearers Into Clariti 1 Day And 1-Day Acuvue Moist Daily Disposable Spherical Lenses
The objective of the study is to evaluate and compare the performance of somofilcon A to etafilcon A when worn on a daily disposable wear modality over a period of approximately one week.
- Trial name
- NCT04195893
- Testing
- somofilcon A, etafilcon A
- Where
- Canada
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Cataract
Clinical Study to Evaluate the RxSight Light Adjustable Lens With the Light Delivery Device in Subjects With Preoperative Corneal Astigmatism
For patients undergoing cataract surgery, the purpose of this study is to evaluate a patient's far vision without glasses and quality of vision after implantation and UV treatment of the RxSight Light Adjustable Lens…
- Trial name
- NCT03771352
- Testing
- RxSight RxLAL
- Where
- 3 sites in Germany, United Kingdom
- Volunteers
- 55 people
- Sponsor
- RxSight, Inc.
Meibomian Gland Dysfunction, Cataract
Ultrahigh-resolution Optical Coherence Tomography Imaging of the Anterior Eye Segment Structures
The development of optical coherence tomography (OCT) and its application for in vivo imaging has opened entirely new opportunities in ophthalmology.
- Conditions
- Meibomian Gland Dysfunction, Cataract, Glaucoma, Corneal Transplantation
- Trial name
- NCT03461978
- Testing
- Ultrahigh resolution Spectral Domain OCT
- Where
- Austria
- Volunteers
- 14 people
- Sponsor
- Medical University of Vienna
Cataract
Clinical Study of the Efficacy of the Ophthalmic Emulsion PRO-145 for Inflammation and Pain After Phacoemulsification
objective: To evaluate the efficacy of the ophthalmic emulsion PRO-145 in the treatment of inflammation and pain after phacoemulsification.
- Trial name
- PRO-145/III (NCT03693989)
- Testing
- Difluprednate 0.05%, Prednefrin
- Where
- 5 sites in Mexico
- Volunteers
- 178 people
- Sponsor
- Laboratorios Sophia S.A de C.V.
Cataract
Cataract Surgery With Intracameral Triamcinolone in Infants
The aim of the present study is to investigate the outcomes of congenital cataract surgery when injecting intraoperative intracameral triamcinolone versus the postoperative use of oral prednisolone.
- Trial name
- NCT01800708
- Testing
- Triamcinolone acetonide, Prednisolone syrup
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- Fundação Altino Ventura
Cataract, Pseudophakia
Clinical Investigation of the Safety and Performance of Model 690AD and Model 690ADY Monofocal Intraocular Lens Implantation
Medicontur hydrophilic posterior chamber monofocal intraocular lens (IOLs) are indicated to improve vision at far distance in adults with cataract and/or ametropia (hyperopia, myopia), secondarily to removal of the crystalline…
- Conditions
- Cataract, Pseudophakia, Intraocular Lens Complication, Intraocular Lens Opacification
- Trial name
- NCT05750225
- Testing
- Standard of care, Patient satisfaction questionnare
- Where
- 2 sites in Hungary
- Volunteers
- 52 people
- Sponsor
- Medicontur Medical Engineering Ltd
Cataract, Lens Opacities
Comparison of Clinical Outcomes POD L GF vs POD F GF in Asian Eyes
Prospective, randomised, controlled, single-surgeon, single-center clinical study to compare the clinical outcomes of two trifocal IOLs differing in the dominance of additional power.
- Conditions
- Cataract, Lens Opacities, Presbyopia
- Trial name
- PHY1802 (NCT03688425)
- Testing
- IOL implantation experimental, IOL implantation active comparator
- Where
- Philippines
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Myopia
Clinical Performance Comparison of Several Different Contact Lenses
The purpose of the study is to evaluate the possible benefits of second generation silicone hydrogel contact lenses.
- Trial name
- NCT00912028
- Testing
- senofilcon A, lotrafilcon B, balafilcon A
- Where
- 11 sites in Brazil
- Volunteers
- 71 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Safety and Effectiveness of a Multifocal Intraocular Lens (IOL)
To evaluate the safety and effectiveness of the ZM900 Tecnis Multifocal lens. Results from two studies (an original study with 125 multifocal and 123 monofocal subjects, protocol DIOL-101-TCNS, and an expansion study with 222…
- Trial name
- NCT00747565
- Testing
- Tecnis ZM900 Multifocal Intraocular Lens, CeeOn 911A monofocal IOL
- Volunteers
- 470 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Cataract, Surgical Injury
Eye Surface Properties After Using Dexamethasone Drops With and Without Preservatives in Patients After Cataract Surgery
The goal of this interventional, real world data study is to evaluate the impact of preservatives on the post-cataract ocular surface. The main question is to learn about an effect of preservatives on the eye surface.
- Conditions
- Cataract, Surgical Injury, Healing Wound
- Trial name
- EyeSurface (NCT05753787)
- Testing
- preservative-free solution of standard post-cataract eye drops
- Where
- Poland
- Volunteers
- 40 people
- Sponsor
- Spektrum Center of Clinical Ophthalmology
Cataract
Optimal Method for Mydriasis in Cataract Surgery
Obtaining appropriate mydriasis prior to cataract surgery is an important variable in successful surgery. The current practice includes using topical anticholinergic and sympathomimetic agents in the preoperative area prior to…
- Trial name
- NCT02909140
- Testing
- Topical phenylephrine 2.5%, Topical cyclopentolate 1%, Intracameral Lidocaine 1%
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Johns Hopkins University
Cataracts
VIGADEXA Gel Compared to VIGADEXA Solution Following Cataract Surgery
The purpose of this study is to compare VIGADEXA (moxifloxacin 0.5%/dexamethasone phosphate 0.075%) ophthalmic gel to VIGADEXA (moxifloxacin 0.5%/dexamethasone phosphate 0.1%) ophthalmic solution in the prevention of…
- Trial name
- NCT01515826
- Testing
- Moxifloxacin 0.5%/Dexamethasone Phosphate 0.075% Ophthalmic Gel (VIGADEXA Gel), Moxifloxacin 0.5%/Dexamethasone Phosphate 0.1% Ophthalmic Solution (VIGADEXA Solution)
- Sponsor
- Alcon Research
Cataract
Safety and Efficacy Study of an Ophthalmic Solution in Patients With Age-Related Cataract
The purpose of this study is to determine the safety and efficacy of C-KAD Ophthalmic Solution in improving visual acuity relative to placebo in patients with age-related cataract
- Trial name
- NCT00793091
- Testing
- C-KAD Ophthalmic Solution
- Where
- 4 sites in United States
- Volunteers
- 80 people
- Sponsor
- Chakshu Research, Inc.
Presbyopia, Pseudophakia
Visual Outcomes After Extended Depth of Focus Intraocular Lens Implantation With and Without Digital Assistance
The primary objective of this study is to compare the postoperative visual acuity curves of patients that underwent one of the following surgical procedures: Insertion of an extended depth of focus intraocular lens with digital…
- Conditions
- Presbyopia, Pseudophakia, Cataract, Refractive Errors
- Trial name
- NCT06460389
- Testing
- Visual Acuity Assessment
- Where
- Greece
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Idiopathic Macular Hole
Outcome of Idiopathic Macular Hole
The purpose of this study is to evaluate the role of cataract surgery and cystoid macular edema (CME) on reopening of idiopathic macular holes (IMH).
- Trial name
- NCT00941291
- Where
- France
- Volunteers
- 135 people
- Sponsor
- Centre Hospitalier Universitaire Dijon
Posterior Capsule Opacification, Cataract
Comparison of the Effect of Hydrophobic Acrylic and Silicone 3-piece IOLs on Posterior Capsule Opacification
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
- NCT01936701
- Testing
- bilateral cataract surgery
- Where
- Austria
- Volunteers
- 50 people
- Sponsor
- Medical University of Vienna