Clinical trials: Lenses
Cataract, Astigmatism
Wavefront Analyzes and Visual Performance of Three Multifocal Intra-ocular Lenses
The purpose of this study is to determine if differences in the design of multifocal intra-ocular lenses would mean different values of higher-order aberrations and different performance in objective parameters such as modulation…
- Trial name
- IOL (NCT00876707)
- Testing
- Tecnis implant, ReSTOR implant, ReZoom implant
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- University of Sao Paulo
Cataract
A Comparison of Visual Function After Bilateral Implantation of Presbyopia-correcting Intraocular Lenses (IOLs)
The purpose of this study is to prospectively evaluate postoperative visual and refractive parameters in a series of subjects bilaterally implanted with the AcrySof® IQ ReSTOR® +3 versus those bilaterally implanted with the…
- Trial name
- NCT01166971
- Testing
- ReSTOR +3, Tecnis MF
- Where
- 3 sites in United States
- Volunteers
- 65 people
- Sponsor
- Alcon Research
Congenital Cataract, Intraocular Lens Implantation
Comparison of the Efficacy of Intraocular Lens Optic Capture and In-the-bag Implantation Over 1 Year in Children With Congenital Cataract
Approximately 30 eyes with congenital cataract who underwent primary or secondary intraocular lens implantation surgery at Zhejiang Eye Hospital from March 2018 to December 2020 were enrolled.
- Conditions
- Congenital Cataract, Intraocular Lens Implantation, Optic Capture
- Trial name
- NCT05275764
- Testing
- primary or secondary intraocular lens implantation surgery
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Wenzhou Medical University
Disorders of the Eye Following Cataract Surgery
Microbiological Evaluation of the Ocular Flora Before Cataract Surgery
The purpose of the present study is to elucidate the spectrum of ocular flora and their antimicrobial susceptibility profiles in patients undergoing routine cataract surgery.
- Trial name
- NCT02124603
- Where
- Italy
- Volunteers
- 120 people
- Sponsor
- SIFI SpA
Visual Acuity
Evaluation of Dryness in a Silicone Hydrogel Daily Disposable Contact Lens
This is a multi-site, randomized, bilateral, dispensing, parallel design study with two arms to evaluate contact lens related dry eye symptoms and subjective comfort.
- Trial name
- NCT04849780
- Testing
- ACUVUE Oasys 1-Day, Habitual Lens
- Where
- 9 sites in United States
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract, Sleep
The Effect of Cataract Surgery on Sleep Quality
A cataract is a clouding of the crystalline lens inside the eye, which leads to a decrease in vision. It is the most prevalent, treatable cause of visual impairment and blindness in the world.
- Trial name
- NCT02593669
- Testing
- Phacomulsification lens removal cataract surgery with neutral Intraocular lens(IOL) implantation, Phacomulsification lens removal cataract surgery with blue-blocking Intraocular lens(IOL) implantation, Subconjunctival dexamethasone and general anesthesia
- Where
- China
- Volunteers
- 10,000 people
- Sponsor
- Sun Yat-sen University
Astigmatism
Effect of Eye Movement on Toric Lens Orientation and Visual Acuity
The relative performance of a new toric soft contact lens against toric contact lenses currently available in market, specifically for visual acuity and lens orientation.
- Trial name
- NCT00584831
- Testing
- senofilcon A, balafilcon A, omafilcon A
- Where
- United Kingdom
- Volunteers
- 40 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract, Lens Opacities
PMCF Study on Monofocal Toric IOL (PODEYE TORIC)
This is a single-center, prospective, open-label PMCF study whereby patients undergoing routine cataract surgery will have mono- or bilateral implantation of hydrophobic acrylic monofocal toric intraocular lens PODEYE TORIC…
- Conditions
- Cataract, Lens Opacities, Astigmatism
- Trial name
- PHY2101 (NCT04744467)
- Testing
- IOL implantation experimental
- Where
- Czechia
- Volunteers
- 12 people
- Sponsor
- Beaver-Visitec International, Inc.
Cataract
Effect of Mobile Communication on Childhood Cataract Follow-up Adherence
Rigorous and regular follow-up is essential to successful management of childhood cataract, but it is often ignored by parents and especially difficult to be delivered in China, such an average-medical-resource-limited country.
- Trial name
- NCT01417819
- Testing
- Mobile short message service
- Where
- China
- Volunteers
- 258 people
- Sponsor
- Sun Yat-sen University
Cataract
I-ZIP Ocular Bandage Pivotal Study
To evaluate the safety and performance of the I-ZIP Ocular Bandage in subjects undergoing uneventful unilateral clear corneal phacoemulsification with foldable monofocal intraocular lens (IOL) implantation compared with the Oasis…
- Trial name
- NCT00774228
- Testing
- I-ZIP Ocular Bandage, Oasis 24 Hour Soft Shield Collagen Corneal Shield
- Where
- United States
- Volunteers
- 420 people
- Sponsor
- Ocular Therapeutix, Inc.
Healthy
Dynamic Light Scattering to Study Crystalline Proteins in Young Normal Lenses
This study will use a method called dynamic light scattering (DLS) to study the lens of the eye in young normal subjects. The DLS device uses a very dim laser light to study the lens of the eye.
- Trial name
- NCT00304967
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Dry Eye Disease, Cataract Surgery
Pre-Surgical Ocular Surface Treatment With Intracanalicular Dexamethasone Insert And Effect On Intraocular Lens Measurement Accuracy
This prospective study will use a self controlled design for 35 eyes. Patients scheduled to undergo routine cataract surgery in at least one of their eyes will have their pre-surgical measurements performed, IOL calculated and…
- Conditions
- Dry Eye Disease, Cataract Surgery, Ocular Surface Disease
- Trial name
- NCT04530864
- Testing
- Dextenza 0.4Mg Ophthalmic Insert
- Volunteers
- 35 people
- Sponsor
- Prism Vision Group
Contact Lens Comfort and Successful Refitting
How Does DT1 Sphere Perform in Current and Successful Acuvue MAX Wearers?
The goal of this prospective study is to to understand if satisfied MAX Contact lens (CL)wearers can be successfully refit into Dailies total 1 (DT1) CL in healthy MAX CL wearers between the ages of 18-40.
- Trial name
- NCT06847230
- Testing
- Dailies total 1 contact lenses
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Southern College of Optometry
Cataract
Tolerability and Toxicity of Topically Applied Nepafenac 0.3% vs Ketorolac 0.5%
This study will examine the tolerability and toxicity of topically applied Nepafenac 0.3% vs ketorolac 0.5% among patients undergoing cataract surgery.
- Trial name
- NCT02752646
- Testing
- nepafenac 0.3%, ketorolac
- Where
- 2 sites in United States
- Volunteers
- 200 people
- Sponsor
- MDbackline, LLC
Myopia
Influence of Rodenstock Spectacle Lenses on Myopia Progression.
The prevalence of myopia in Singapore is among the highest in the world, with 65 percent of our children being myopic by Primary 6, and 83 percent of young adults being myopic.
- Trial name
- NCT06816446
- Testing
- Myopia control spectacle lens, Single-vision lens
- Where
- Singapore
- Volunteers
- 185 people, healthy volunteers welcome
- Sponsor
- Rodenstock GmbH
Cataract
Long Term Outcomes of Vivity Intra Ocular Lens(IOL) Versus Control
Evaluate the long-term (>1 yr) outcomes of the Vivity IOL. The investigator will use similar measurements and procedures to the ones performed on these subjects during the FDA clinical trial.
- Trial name
- REVIVE (NCT04561570)
- Testing
- Vivity ACRYSOF IQ IOL Group, ACRYSOF IQ IOL Control Group
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- John Berdahl, MD
Senile Cataract, Epiretinal Membrane
Clareon Intraocular Lens Stability in Vitrectomy Patients: CLOVE Study
This prospective randomized controlled trial will be conducted to investigate Clareon intraocular lens (IOL) stability in vitrectomy patients. The investigator plans to target the patients undergoing cataract surgery.
- Conditions
- Senile Cataract, Epiretinal Membrane, Vitreous Hemorrhage
- Trial name
- NCT06383754
- Testing
- Clareon, Tecnis 1
- Where
- Hong Kong
- Volunteers
- 50 people
- Sponsor
- The University of Hong Kong
Cystoid Macular Edema, Diabetes Mellitus
Assessing Diabetes Mellitus on Cytokine Analysis and Macular Edema Following FLACS
The purpose of this study is to assess the effects of diabetes mellitus (DM) on anterior chamber cytokine production and postoperative macular edema in patients undergoing femtosecond laser-assisted cataract surgery (FLACS).
- Conditions
- Cystoid Macular Edema, Diabetes Mellitus, Cataract
- Trial name
- NCT04856670
- Testing
- Cataract surgery
- Where
- Canada
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Uptown Eye Specialists
Myopia
Clinical Evaluation of the Long-Term Effects of Contact Lens Care Systems
The purpose of this study is to compare two marketed contact lens care solutions in regards to comfort and ocular health.
- Trial name
- NCT00813761
- Testing
- O2Optix contact lens, Proclear contact lens, ReNu MultiPlus Multi-Purpose Solution
- Where
- 26 sites in United States, United Kingdom
- Volunteers
- 473 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract, Bilateral Senile Cataract
Cataract Monitored Anesthesia Care (MAC) Feasibility Pilot Study
The goal of this pilot clinical trial comparing two different sedation approaches for cataract surgery is to assess the feasibility, completeness, and distribution of data in measuring patient satisfaction, the quality of…
- Conditions
- Cataract, Bilateral Senile Cataract, Anesthesia, Patient Satisfaction
- Trial name
- CaTNAPS-1 (NCT06506669)
- Testing
- Oral sedation
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
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