Clinical trials: Lenses
Pain
Intravitreal Injection Site and Perceived Pain
The objective of this study is to explore the perception of pain during intravitreal injection related to the distance of the entry site from the limbus.
- Trial name
- NCT05640895
- Testing
- Intravitreal injection site
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Refractive Errors
Air Optix Extended Wear Contact Lenses
The purpose of this Post-Market Clinical Follow-Up (PMCF) study is to assess long term performance and safety of Air Optix Aqua Sphere, Air Optix plus HydraGlyde Sphere, and Air Optix plus HydraGlyde Toric soft contact lenses in…
- Trial name
- NCT05886881
- Testing
- Lotrafilcon B spherical soft contact lenses, Lotrafilcon B spherical soft contact lenses with comfort additive, Lotrafilcon B toric soft contact lenses with comfort additive
- Where
- 4 sites in United States
- Volunteers
- 505 people
- Sponsor
- Alcon Research
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
Visual Acuity
Clinical Performance of Three Daily Disposable Silicone Hydrogel Contact Lenses
This is a subject-masked, randomized, prospective, bilateral, 3x3 crossover dispensing clinical investigation to assess the clinical performance of a new lens type comparison.
- Trial name
- NCT06778057
- Testing
- Test Lens 1, Test Lens 2, Test Lens 3
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Total Corneal Astigmatism Prevalence in Cataract Patients
The purpose of this study is to report the prevalence data for total corneal astigmatism (TCA) in cataract surgery candidates.
- Trial name
- NCT06148857
- Testing
- IOLMaster 700
- Where
- China
- Volunteers
- 11,000 people
- Sponsor
- Peking University Third Hospital
Cataract
Clinical Investigation of the AcrySof® IQ PanOptix™ IOL
The purpose of this study is to evaluate the effectiveness and safety of the AcrySof® IQ PanOptix™ Intraocular Lens (IOL) Model TFNT00 when implanted to replace the natural lens following cataract removal.
- Trial name
- NCT03090256
- Testing
- AcrySof® IQ PanOptix™ IOL
- Where
- 2 sites in Japan
- Volunteers
- 76 people
- Sponsor
- Alcon Research
Pseudoaphakia
Time Study for Biometry Measurements With the Lenstar and IntraOcularLens (IOL) Master 500
The objectives of this study are to determine the time needed to complete a full set of measurements (Total Ophthalmic Exam, Subject Data Entry and Acquisition of the Measurement) by each test device, the Lenstar 900 Version i4…
- Trial name
- NCT01550939
- Testing
- Ophthalmic Biometer
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Haag Streit USA
Aniridia, Iris; Deformity
Clinical Evaluation of Morcher Artificial Iris Diaphragms
The purpose of this study is to determine the safety and efficacy of Morcher iris diaphragms in the treatment of congenital and acquired aniridia.
- Trial name
- NCT00812708
- Testing
- Morcher iris diaphragm implantation
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- University of California, Los Angeles
Cataract
Rotational Stability of the TECNIS Eyhance Toric
Evaluation of the rotational stability of a new toric intraocular lens (IOL), the TECNIS Eyhance toric II.
- Trial name
- NCT05126368
- Testing
- Cataract surgery
- Where
- Austria
- Volunteers
- 50 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Cataracts
Accuracy of Holladay 2 Formula in the Absence of Lens Thickness
Hypothesis: Holladay 2 formula is still accurate even used without lens thickness data.
- Trial name
- NCT01846078
- Testing
- optical biometric measurement (IOLMaster)
- Where
- Thailand
- Volunteers
- 143 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Myopia, Myopia, Progressive
Can Distance Center and Near Center Multifocal Contact Lenses Control Myopia Progression in Children?
Myopia has been increasing in prevalence and severity throughout the world over the last 30 years. Increasing levels of myopia are associated with increased frequency and severity of various ocular pathologies.
- Trial name
- ADPADP (NCT03519490)
- Testing
- Hybrid Contact Lens
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Thomas A. Aller, OD
Visual Acuity
Evaluation of a Daily Disposable Silicone Hydrogel Multifocal Contact Lens in Myopes and Hyperopes
This is a single-masked, single-arm, dispensing clinical trial that will evaluate vision, eye health and fit acceptance.
- Trial name
- NCT05222880
- Testing
- JJVC Investigational Multifocal Contact Lenses manufactured in senofilcon A C3
- Where
- 12 sites in United States
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Diabetic Macular Edema, Cataract
Steroid vs. Anti-vascular Endothelial Growth Factor for Diabetic Macular Edema Prior to Phacoemulsification
The primary objective of this study is to compare the efficacy of antecedent intravitreal anti-vascular endothelial growth factor therapy vs.
- Trial name
- STAMP (NCT03832179)
- Testing
- Bevacizumab, Ranibizumab, Aflibercept
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Bay Area Retina Associates
Age Related Cataracts
Posterior Capsule Opafication of Different Hydrophobic Acrylic Intraocular Lenses: Vivinex iSert P261 vs.Clareon IOL
On the day of surgery, the first eye to be operated is randomised to receive a Vivinex , HOYA Surgical Optics GmbH or an Clareon, Alcon, Fort Worth, Texas. The second eye to be operated receives the other IOL type.
- Trial name
- Clarinex (NCT04369482)
- Testing
- Alcon Clareon, Hoya Vivinex
- Where
- Austria
- Volunteers
- 100 people
- Sponsor
- Medical University of Vienna
Cataract, Glaucoma
Oculusgen (Ologen) Collagen Matrix Implant for Phaco-Trabeculectomy in Primary Glaucoma: A Case-Control Study
The objective of this study is to determine the safety and effectiveness of the OculusGen™ (ologen) Biodegradable Collagen Matrix Implant in hacotrabeculectomy surgery.
- Trial name
- NCT00687791
- Testing
- ologen™ Collagen Matrix Implant as an aid in phacotrabeculectomy surgery
- Where
- Singapore
- Volunteers
- 20 people
- Sponsor
- Pro Top & Mediking Company Limited
Myopia
Clinical Investigation of Buttermere (LENS 271) Soft Contact Lenses
The purpose of the study is to compare clinical performance between two soft contact lenses.
- Trial name
- NCT06609018
- Testing
- Test Lenses (stenfilcon A), Control Lenses (omafilcon A)
- Where
- United Kingdom
- Volunteers
- 73 people
- Sponsor
- CooperVision, Inc.
Visual Acuity
Clinical Performance of Two Daily Disposable Silicone Hydrogel Contact Lenses
This is a subject-masked, randomized, bilateral, 2x2 crossover clinical investigation that will assess lens fit acceptance.
- Trial name
- NCT05554640
- Testing
- Acuvue® Oasys MAX 1-Day, Dailies Total 1
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataracts
Multifocals and Accommodating/Bilateral Implantation of Different Multifocal Intraocular Lens (IOLs)
The purpose of this study is to evaluate vision at different distances (far (13 ft), intermediate (2.0 ft) and near (13 to 15 in)) with and without the patient's glasses (if the patient wears them), range of vision (the…
- Trial name
- NCT00934960
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Myopia Progressing
Comparison of MiSight 1-Day and Acuvue Oasys for Presbyopia in Myopic Children
This study will compare the effects on myopia progression over the course of one year for eyes wearing MiSight 1 Day contact lenses compared to ACUVUE OASYS for PRESBYOPIA contact lenses.
- Trial name
- MALCOLM (NCT06887920)
- Testing
- Acuvue Oasys for Presbyopia, MiSight 1 Day
- Where
- Australia
- Volunteers
- 72 people
- Sponsor
- Pauline Kang
Dry Eye Syndromes, Meibomian Gland Dysfunction
The Effect of Tear Supplements on Contact Lens Comfort
The primary goal of this investigation is to determine if lipid based artificial tear supplementation has an impact on contact lens discomfort (CLD).
- Trial name
- NCT02956083
- Testing
- Systane Balance eye drops, Systane Contacts eye drops, saline
- Volunteers
- 30 people
- Sponsor
- University of the Incarnate Word
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