Clinical trials: Lens Disease
Myopia, Progressive
DIMS-myopia Progression ADN Axial Length Growth
To confirm the efficacy of DIMS lenses in controlling myopia progression, we planned a prospective randomized controlled clinical study.
- Trial name
- NCT05300321
- Testing
- frame lens
- Where
- China
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Cataract, Refractive Error
A Study of Interventions to Reduce Disability From Visual Loss in Nursing Home Residents
The purpose of this clinical trial is to determine if interventions within the nursing home to restore vision, or cope with visual loss, in residents with visual impairment result in improvement or less decline in mobility…
- Conditions
- Cataract, Refractive Error, Low Vision
- Trial name
- NCT00348621
- Testing
- Visual impairment intervention program
- Where
- United States
- Volunteers
- 2,544 people
- Sponsor
- Johns Hopkins University
Blindness, Cataract
Prevalence of Blindness, Visual Impairment in Chao Nan Area, China
This study will provide a profile of blindness/visual impairment, avoidable blindness and cataract surgery service in Chaonan, mainland China.
- Conditions
- Blindness, Cataract, Visual Impairment, Refractive Errors
- Trial name
- NCT04143334
- Testing
- Conventional survey
- Volunteers
- 3,700 people
- Sponsor
- Chinese University of Hong Kong
Glaucoma, Cataract
Evaluation of Microinvasive Glaucoma Surgery: MINIject® Versus Hydrus® Microstent in Combination With Cataract Surgery
The study aims to investigate postoperative outcomes after two different MIGS implants (MINIject or Hydrus) in combination with cataract surgery for patients with glaucoma.
- Trial name
- MINHY (NCT06844292)
- Testing
- MINIject with Cataract Surgery, Hydrus Microstent with Cataract Surgery
- Where
- Austria
- Volunteers
- 152 people
- Sponsor
- Medical University of Graz
Glaucoma, Vision Impairment and Blindness
Manhattan Vision Screening and Follow-Up Study (NYC-SIGHT)
The investigators are conducting a 5-year prospective, 2:1 cluster-randomized controlled trial, funded by the Centers for Disease Control (CDC), which provides vision screenings to underserved New York City residents living in…
- Conditions
- Glaucoma, Vision Impairment and Blindness, Cataract, Diabetic Retinopathy
- Trial name
- NCT04271709
- Testing
- Enhanced Intervention Using Patient Navigators, Usual Care
- Where
- United States
- Volunteers
- 749 people, healthy volunteers welcome
- Sponsor
- Columbia University
Lenses, Intraocular
Tolerance to Residual Astigmatism in Eyes With Vivity®
Low amounts of postoperative residual astigmatism may worsen the visual performance of patients implanted with presbyopia- correcting intraocular lenses (IOLs).
- Trial name
- NCT05392998
- Testing
- Cataract surgery with Vivity intraocular lens implantation
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- Clínica Rementería
Cataracts
A Real-World Study for the TECNIS Synergy™ Intraocular Lens
This is a prospective and retrospective, single-center, single-arm, open-label clinical study of the TECNIS Synergy™ IOL. The study will enroll up to 100 subjects from a single site in China.
- Trial name
- NCT05090826
- Testing
- Model ZFR00V
- Where
- China
- Volunteers
- 42 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Aphakia
Clinical Investigation of the AcrySof IQ Vivity Extended Vision Intraocular Lens (IOL)
The purpose of this study is to compare the visual disturbance profile of an intraocular lens (IOL) using nondiffractive optics, the VIVITY IOL, to two diffractive IOLs in subjects requiring bilateral cataract surgery.
- Trial name
- NCT04098367
- Testing
- VIVITY, SYMFONY, AT LARA
- Where
- 12 sites in Australia, New Zealand
- Volunteers
- 222 people
- Sponsor
- Alcon Research
Visual Disorders
Clinical Long-Term Evaluation of Approved and Investigational Contact Lenses
This is a multi-site, dispensing, 4-visit, 2-arm parallel group, randomized, double-masked clinical trial using a Vistakon investigational contact lens (test) and a marketed monthly replacement contact lens (control).
- Trial name
- NCT02625233
- Testing
- senofilcon C, comfilcon A
- Where
- 6 sites in United States
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Errors, Satisfaction
PRO Measure for Refractive Surgery IRAS Project Number 246072
The development and validation of a concise, practical, on-line, self-administered, self-archiving, and self-scoring PRO questionnaire for routine clinical use in refractive surgery is the primary study objective.
- Conditions
- Refractive Errors, Satisfaction, Cornea, Lens Diseases
- Trial name
- NCT03655743
- Testing
- LASIK, PRK, Phacoemulsification
- Where
- United Kingdom
- Volunteers
- 372 people
- Sponsor
- Moorfields Eye Hospital NHS Foundation Trust
Glaucoma
GTS400 Stent Implantation in Conjunction With Cataract Surgery in Subjects With Open-angle Glaucoma
The purpose of this study is to evaluate the safety and efficacy of the GTS400 trabecular micro-bypass stent in reducing intraocular pressure (IOP) in subjects with open-angle glaucoma or ocular hypertension and co-existing…
- Trial name
- NCT01052558
- Testing
- iStent Inject (GTS400), Cataract Surgery
- Where
- 22 sites in United States
- Volunteers
- 164 people
- Sponsor
- Glaukos Corporation
Refractive Error
Comparison of Lotrafilcon B Lenses With Different Packaging Solutions
The purpose of this study is to evaluate AIR OPTIX® plus HYDRAGLYDE® (AOHG) contact lenses compared to AIR OPTIX® AQUA (AOA) contact lenses in overall lens fit.
- Trial name
- NCT02699684
- Testing
- Lotrafilcon B contact lenses with EOBO-41, Lotrafilcon B contact lenses, Hydrogen peroxide-based lens care solution
- Volunteers
- 82 people
- Sponsor
- Alcon Research
Aphakia, Cataract
Exploratory Study to Evaluate the Use of the RxSight Light Adjustable Lens (LAL) and the Light Delivery Device (LDD) to Improve Visual Outcomes
The objective of this study is to evaluate, for the visual correction of aphakia, whether the RxSight Light Adjustable Lens (LAL) and Light Delivery Device (LDD) can be used to improve visual outcomes after performing adjustments…
- Trial name
- NCT03895034
- Testing
- Light Adjustable lens (LAL) and Light Delivery Device (LDD)
- Where
- Mexico
- Volunteers
- 66 people
- Sponsor
- RxSight, Inc.
Astigmatism, Myopia
Vision Stability and Preference for Soft Toric vs. Soft Spherical Contact Lenses
The principal hypothesis is to be tested in this work is that vision stability (the primary outcome measure) with a spherical contact lens correction vs. a toric contact lens correction will be the same.
- Trial name
- NCT04536571
- Testing
- Test Contact lens, Control Contact lens
- Where
- United Kingdom
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Changes in Eye Shape With Myopia Management Interventions
The goal of this clinical trial is to study changes in eye shape of nearsighted young adults using low-dose atropine eye drops or soft multifocal contact lenses.
- Trial name
- NCT06450132
- Testing
- Atropine Ophthalmic, MiSight 1-day disposable contact lenses
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Contact Allergy, Neuropathic Pain
Intranasal Neurostimulation for the Treatment of Neurosensory Abnormalities in CL Wearers (INTAC)
To find out if the use of an intranasal tear neurostimulator (ITN), may be useful in decreasing the pain symptoms felt by patients who experience contact lens discomfort.
- Trial name
- INTAC (NCT04240587)
- Testing
- TrueTear™ intranasal neurostimulator (ITN)
- Where
- United States
- Sponsor
- Tufts Medical Center
Cataracts
Comparison of the Effectiveness of Povidone-iodine in Reducing Conjunctival Bacterial Load Prior to Cataract Surgery in Patients Treated With a Lidocaine Gel Dilating Formulation Versus Eye Drops: A Randomized Controlled Trial
The eye contains a lens that focuses light. A clouding of the lens is known as a cataract. Cataracts decrease vision. The treatment for cataracts is cataract surgery.
- Trial name
- NCT01898728
- Testing
- topical povidone-iodine after premedication with topical liquid eye drops, topical povidone-iodine after premedication with topical gel
- Where
- Canada
- Volunteers
- 101 people
- Sponsor
- McMaster University
Intermittent Exotropia, Myopia
A Comparative Study of the Efficacy of Myopia Control Lenses With Different Mechanisms on Controlling Myopia Progression in Patients With Intermittent Exotropia
The goal of this clinical trial is to compare the efficacy of myopia control lenses with different working principles in patients with intermittent exotropia aged 6 to 12 years.
- Trial name
- NCT07642934
- Testing
- DIMS glasses, DOT glasses
- Volunteers
- 120 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Cataract
Evaluate Performance of Callisto Eye vs. Wavetec AnalyzOR
The goal of this clinical trial is to evaluate two separate operating room cataract measuring tools in predicting the residual astigmatism (prediction error) in patients with corneal astigmatism.
- Trial name
- CORTCO (NCT06216067)
- Testing
- CALLISTO eye, Wavetec AnalyzOR
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Chesapeake Eyecare and Laser Center, LLC
Presbyopia
Visual and Economic Profits of ReSTOR® Multifocal Intraocular Lenses (IOL) on Public Health Patients in Spain
Surgical correction of presbyopia is possible via the implantation of multifocal intraocular lenses after removal of the crystalline lens.
- Trial name
- NCT01088282
- Testing
- Cataract surgery
- Where
- 2 sites in Spain
- Volunteers
- 120 people
- Sponsor
- University of Barcelona