Clinical trials: Lens Disease
Ametropia
Performance of Toric Hydrogel Lenses Following A Refit With Toric Silicone Hydrogel Lenses for 1 Month
The aim of this prospective study is to evaluate the clinical performance of habitual wearers of methafilcon A toric lenses after a refit with fanfilcon A toric lenses for 1-month of daily wear.
- Trial name
- NCT03835221
- Testing
- methafilcon A toric contact lenses, fanfilcon A toric contact lenses
- Where
- Mexico
- Volunteers
- 43 people
- Sponsor
- CooperVision, Inc.
Myopia
Vistakon Investigational Lens Worn as a Single Use Daily Wear
This study is intended to show that the investigational contact lens is clinically equivalent to a currently approved contact lens, when worn as single-use on a daily basis.
- Trial name
- NCT01031004
- Testing
- narafilcon B, etafilcon A
- Where
- 3 sites in United States
- Volunteers
- 50 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Multi-center Ocular Biological Parameters Study
This study is a multi-center study, which collects data from multiple regions to obtain the general biological characteristics of the Chinese population.
- Trial name
- NCT04340635
- Where
- China
- Volunteers
- 20,000 people
- Sponsor
- Aier School of Ophthalmology, Central South University
Myopia, Progressive, Children, Only
Myopia Control With Orthokeratology Contact Lenses in Spain
The purpose of this prospective study is to assess the efficacy, safety and patient-reported outcomes of the Menicon Z Night orthokeratolgy contact lens for reducing myopia progression in children.
- Conditions
- Myopia, Progressive, Children, Only, Contact Lens Complication, Perception, Self
- Trial name
- MCOS (NCT04806763)
- Testing
- Menicon Z Night, Control
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Menicon Co., Ltd.
Irregular Astigmatism, Astigmatism
Improving Visual Quality in Patients With Irregular Corneas Using Asymmetrical Toric Intraocular Lenses
Cataract surgery in patients with irregular corneas presents unique challenges, primarily due to the high variability in keratometry and corneal tomography measurements, which complicates accurate intraocular lens (IOL)…
- Conditions
- Irregular Astigmatism, Astigmatism, Cataract and IOL Surgery
- Trial name
- VITAL (NCT07294716)
- Testing
- AMILens Individual
- Where
- Austria
- Volunteers
- 15 people
- Sponsor
- Johannes Kepler University of Linz
Cataract, Corneal Astigmatism
Post-market Study to Obtain Surgeon Feedback on Clinical Outcome in Eyes Implanted With TECNIS Toric II IOL
This is a multicenter, prospective, single-arm, open-label, clinical study of the commercially available TECNIS Toric II, Model ZCU IOL.
- Trial name
- NCT04210232
- Testing
- TECNIS® TORIC II Intraocular Lens (IOL)
- Where
- 12 sites in United States
- Volunteers
- 54 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Cataract
Prospective Evaluation and Comparison of Bilateral Synergy Implants and Bilateral PanOptix Implants
The purpose of this study is to evaluate the AcrySof PanOptix Intraocular Lens (IOL) for binocular distance corrected near visual acuity (DCNVA) compared to TECNIS Synergy IOL.
- Trial name
- NCT05186298
- Testing
- AcrySof® IQ PanOptix®, Synergy®, Cataract Surgery
- Where
- 5 sites in United States
- Volunteers
- 320 people
- Sponsor
- Alterman, Modi, & Wolter Ophthalmic Physicians & Surgeons
Myopia, Astigmatism
Clinical Evaluation of Two Monthly Replacement Silicone Hydrogel Contact Lenses
The purpose of this study is to evaluate differences in the comfort at the end of the month between Air Optix® lenses versus Biofinity® lenses in habitual daily wear symptomatic soft contact lens wearers.
- Trial name
- NCT01629693
- Testing
- Lotrafilcon B contact lenses, Comfilcon A contact lenses
- Volunteers
- 398 people
- Sponsor
- Alcon Research
Dry Eye
Evaluation of Comfort of Ocular Lubricants in Symptomatic Contact Lens Wearers
The purpose of this study is to evaluate the ocular comfort of 3 ocular lubricants and a comparator.
- Trial name
- NCT05741216
- Testing
- OTF Ocular Lubricant, Ocular Lubricant
- Where
- 3 sites in Australia, Canada
- Volunteers
- 36 people
- Sponsor
- Alcon Research
Cataract Surgery, Intraocular Lens Position
The Effect of Capsulotomy Size on Effective Lens Position in Robotic Laser Cataract Surgery
The goal of this clinical trial is to learn whether the size of the opening made during laser-assisted cataract surgery affects where the artificial lens sits in the eye and the glasses prescription after surgery.
- Conditions
- Cataract Surgery, Intraocular Lens Position, Refractive Outcomes After Cataract Surgery, Cataract
- Trial name
- PRECISE (NCT07856849)
- Testing
- Femtosecond Laser Capsulotomy - Small Size (4.6 mm), Femtosecond Laser Capsulotomy - Large Size (5.6 mm)
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Twin Cities Eye Consultants
Cataract
JASPER™ Robotic Surgical System (Formerly Known as the ORYOM™ Robotic Surgical System) in Cataract Surgery
This is a prospective, open-label clinical study designed to evaluate the performance and safety of the JASPER™ Robotic Surgical System during cataract surgery.
- Trial name
- NCT07468409
- Testing
- JASPER™ Robotic Surgical System
- Where
- Philippines
- Volunteers
- 40 people
- Sponsor
- ForSight Robotics Ltd
Cataract
Influencing Factors of the Corneal Endothelial Cell Loss
This is a multi-center cohort study with prognostic aims to identify factors associated with endothelial cell loss during cataract surgery.
- Trial name
- PREDICS (NCT05265832)
- Testing
- Phacoemulsification
- Where
- 2 sites in France
- Volunteers
- 154 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Asthenopia
Accommodative Relief for Uncomfortable Non-Presbyopes
This study will determine how multifocal contact lens correction affects symptoms of discomfort and asthenopia in a group of myopic contact lens wearers in the non-presbyopic age range (ages 30-40 years).
- Trial name
- NCT03544216
- Testing
- Multifocal Contact Lens, Single Vision Contact Lens
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Cataract
Comparison of Three Swept-source Optical Coherence Biometry Devices in Long and Short Eyes
The aim of the study is to compare the agreement and repeatability of ocular biometric parameters obtained using three swept-source optical coherence tomography (ss-OCT) device (Argos, IOLMaster 700 and ANTERION).
- Trial name
- NCT05232214
- Testing
- Biometry
- Where
- Austria
- Volunteers
- 42 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Myopia
Clinical Performance Comparison of Two Contact Lenses
The purpose of this study is to compare the clinical performance of two contact lenses.
- Trial name
- NCT00975585
- Testing
- senofilcon A, lotrafilcon B
- Where
- 25 sites in United States
- Volunteers
- 379 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Error, Corneal Implantation
Piggyback Sulcoflex Toric IOL for Correcting Refractive Error Following Corneal Transplantation
A prospective study to evaluate the safety and efficacy of a piggyback sulcoflex toric intraocular lens in pseudophakic patients for correcting refractive errors following corneal transplantation
- Conditions
- Refractive Error, Corneal Implantation, Intraocular Lens Implantation
- Trial name
- NCT01718184
- Testing
- toric intraocular lens implantation, Sulcoflex intraocular lens implantation
- Where
- Israel
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Rabin Medical Center
Myopia
Evaluation of Two Daily Disposable Contact Lenses.
The objective of this clinical study is to evaluate the product performance of SofLens daily disposable contact lenses packaged in the investigational Test solution versus SofLens daily disposable contact lenses packaged in…
- Trial name
- NCT01300065
- Testing
- Experimental- Soflens, Marketed - Soflens
- Where
- United States
- Volunteers
- 441 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Dry Eye
Ocular Effects of Scleral Lens Wear on Dry Eye Patients
The purpose of this study is to investigate the effects of scleral contact lens wear on a DE population using coated (Hydra-PEG) and uncoated (control) lenses.
- Trial name
- NCT05079321
- Testing
- Hydra-PEG, Uncoated
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Posterior Chamber Phakic Intraocular Lens, Vault
Study on the Diagnostic Efficacy of ICL Selection and Prediction Depth Model Based on Eye Images
To evaluate the diagnostic efficacy of deep learning network model in implantable collamer lens selection and prediction in a multicenter cross-sectional study
- Conditions
- Posterior Chamber Phakic Intraocular Lens, Vault, Deep Neural Network, Myopia
- Trial name
- NCT06669728
- Testing
- AI diagnostic algorithm
- Where
- China
- Volunteers
- 326 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital of Nanchang University
Comparative Effectiveness Research
Comparative Functional Vision Outcomes: DAILIES TOTAL1 Toric vs. Spherical Lenses in Asian Astigmatic Patients
The goal of this comparative clinical trial is to assess the effectiveness of DAILIES TOTAL1 Toric Contact Lenses compared to Spherical Equivalent Contact Lenses in improving the functional vision of astigmatic patients, with a…
- Trial name
- NCT06230263
- Testing
- Visual acuity test
- Where
- Hong Kong
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Mopsy Research
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