Clinical trials: Refractive Error
Myopia
A Phase III Clinical Study of the Efficacy and Safety of Two Low-concentration Atropine Sulfate Eye Drops
This study was a randomized, double-blind, placebo-controlled, multicenter, superiority design, phase III clinical trial to compare the efficacy and safety of two low-concentration atropine sulfate eye drops versus placebo in…
- Trial name
- Mini-CHAMP (NCT06209281)
- Testing
- Lower dose atropine sulfate eye drops, Low dose atropine sulfate eye drops
- Where
- China
- Volunteers
- 526 people
- Sponsor
- Zhaoke (Guangzhou) Ophthalmology Pharmaceutical Ltd.
Myopia
Dual Focus Soft Contact Lens Wear Cessation Study
The purpose of this study is to investigate the effect of ceasing treatment with dual focus soft contact lenses.
- Trial name
- NCT05779072
- Testing
- Single Vision Soft Contact Lens
- Where
- 4 sites in Canada, Portugal and 2 more
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Myopia Control With a Innovative Spectacle Lens
The purpose of this study is to demonstrate that the test spectacle lens is safe and effective in slowing myopia progression in children.
- Trial name
- NCT05174780
- Testing
- innovative myopia control spectacle lens, Single vision spectacle lens
- Where
- 9 sites in United States
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Myopia Progression
Spectacle Lens Visual Acuity Assessments Study
This is a two-arm parallel group, non-dispensing study. Participants will be existing active CYPRESS Extension (CPRO-1802-002) subjects. Subjects will undergo additional visual performance assessments.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- CEDAR (NCT05650190)
- Testing
- Novel spectacle lens design, Spectacle lenses
- Where
- 6 sites in United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia
Comparing Silicone Hydrogel Contact Lens Wearers to Hydrogel Contact Lens Wearers and Non-lens Wearers
This study was a multi-site, prospective, randomized, non-masked, unilateral, non-dispensing study.
- Trial name
- NCT04886479
- Testing
- Control, Test Lens
- Where
- 2 sites in Canada, United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Clinical Evaluation of a Silicone Hydrogel Lens
The purpose of this study is to assess the performance of an investigational contact lens among contact lens wearers.
- Trial name
- NCT01016132
- Testing
- lotrafilcon A contact lens
- Volunteers
- 152 people
- Sponsor
- CIBA VISION
Myopia
Comparing a Monthly Replacement Lens Versus a Daily Disposable Lens
The purpose of this study was to compare subjective ratings of lens handling at insertion for a monthly replacement lens versus a daily disposable lens in habitual soft lens wearers.
- Trial name
- NCT06046209
- Testing
- Control Lens, Test Lens
- Where
- Canada
- Volunteers
- 30 people
- Sponsor
- CooperVision, Inc.
Myopia, Pre-myopia
Virtual Far-sight Reading Device for Myopia Intervention Among Pre-myopic Children
This clinical trial wants to find out if the Virtual Far-sight Reading Device can help prevent or slow down myopia progression in children and teenagers with pre-myopia.
- Trial name
- NCT06995911
- Testing
- Virtual Far-sight Reading Device
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Hyperopia
Bilateral Dispensing Study of Fanfilcon A Toric Versus Enfilcon A Toric Lenses
Bilateral dispensing clinical trial of fanfilcon A toric lens verses enfilcon A toric lens over two weeks.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- NCT02423109
- Testing
- fanfilcon A, enfilcon A
- Where
- 2 sites in United States, Canada
- Volunteers
- 44 people
- Sponsor
- CooperVision, Inc.
Ametropia
Evaluation of Disinfecting Solutions and Protein Remover With a Silicone Hydrogel Lens
The purpose of this study is to determine if reduced lens deposits and increased comfort can be achieved by using Multipurpose disinfecting solutions (MPDS) in a no-rub format but in conjunction with an intensive cleaner, rather…
- Trial name
- NCT00754338
- Testing
- Alcon Opti-Free® RepleniSH® with Supraclens®, Alcon Opti-Free® RepleniSH®, B&L ReNu MultiPlus™
- Where
- Canada
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Progressive Myopia, Pediatric Myopia
Efficacy of Different Interventions for Progressive Myopia After Orthokeratology Lens Wear
Myopia has emerged as a significant concern impacting the visual health of children and adolescents on a global scale. According to research conducted by Holden BA et al., it is projected that by the year 2050, the worldwide…
- Conditions
- Progressive Myopia, Pediatric Myopia, Orthokeratology-related Myopia Progression
- Trial name
- NCT07494799
- Testing
- OK Lens Continuation Group, OK Lens + 0.01% Atropine Group, OK Lens with Reduced Optical Zone Group
- Volunteers
- 3,890 people
- Sponsor
- Tianjin Medical University Eye Hospital
Presbyopia
Driving Simulator Study Comparing Two Modes of Presbyopic Correction With Contact Lenses
The overall objective of this study is to compare the effect on simulated driving performance of multifocal (MF) versus monovision (MV) soft contact lenses in mid-late presbyopes.
- Trial name
- NCT02189863
- Testing
- Lotrafilcon B MF, Lotrafilcon B MV, Lotrafilcon B SVD
- Volunteers
- 33 people
- Sponsor
- Alcon Research
Myopia
Clinical Validation of the New Print on Focus DAILIES Toric
The purpose of this study is to validate the improvements to the inversion indicator.
- Trial name
- NCT01097863
- Testing
- nelfilcon A contact lens, modified inversion indicator, nelfilcon A contact lens, no inversion indicator, nelfilcon A contact lens, inversion indicator
- Volunteers
- 280 people
- Sponsor
- CIBA VISION
Myopia, Refractive Errors
Efficacy of Repeated Low-Level Red-Light Therapy in Myopia Control
The purpose of this study is to determine if repeated low-level red-light therapy can slow myopia progression in Chinese schoolchildren.
- Conditions
- Myopia, Refractive Errors, Eye Diseases
- Trial name
- NCT04073238
- Testing
- Low-level Red-light Therapy
- Where
- 4 sites in China
- Volunteers
- 264 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Ophthalmic Diseases (Specific Types Not Restricted), Cataract
Research on a New Intelligent Mobile Screening and Diagnosis Pattern for Ocular Diseases
The global distribution of primary ophthalmic medical resources is uneven, and the traditional eye disease screening model has problems such as low efficiency, high cost and limited coverage.
- Conditions
- Ophthalmic Diseases (Specific Types Not Restricted), Cataract, Refraction Error, Diabetic Retinopathy (DR)
- Trial name
- NCT07003165
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia, Cornea
Euclid Phoenix Lens Design Trial 2
Lens wettability and subjective comfort of Euclid orthokeratology lenses with and without an enhanced coating will be compared in 50 children. Axial elongation will be monitored in pediatric patients who qualify and consent.
- Trial name
- NCT06392607
- Testing
- Euclid orthokeratology (standard coating), Euclid orthokeratology (enhanced coating)
- Where
- 5 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Euclid Systems Corporation
Myopia (Disorder), Astigmatism
Optical Quality of the Cornea in Orthokeratology
Analyzing Optical Quality After the Use of Overnight Orthokeratology (Ortho-K)
- Trial name
- COPCORTO (NCT06775509)
- Testing
- Ortho-K
- Where
- Spain
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Institut Investigacio Sanitaria Pere Virgili
Myopia
Safety and Efficacy of Defocus Distributed Multi-point Lens in Myopia Control
Evaluate the safety and effectiveness of experimental group by comparing with the control group
- Trial name
- NCT05340699
- Testing
- Defocus Distributed Multi-point lens, Single vision lens
- Where
- China
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Eye--Refractive Errors
Effect of Using Myopia Prediction Algorithm
In this study, the investigators aim to perform a prospective, randomized controlled study to compare the myopia development between children using myopia prediction algorithm and children without using myopia prediction…
- Trial name
- NCT04005014
- Testing
- Myopia prediction algorithm
- Volunteers
- 1,680 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Myopia
A Study Assessing the Efficacy and Safety of DE-127 Ophthalmic Solution in Subjects With Mild or Moderate Myopia (APPLE)
To investigate the safety and efficacy of three concentrations of DE-127 ophthalmic solution when compared to Placebo in subjects diagnosed with mild or moderate myopia. To investigate the dose response of DE-127.
- Trial name
- NCT03329638
- Testing
- DE-127 Ophthalmic Solution low dose, DE-127 Ophthalmic Solution medium dose, DE-127 Ophthalmic Solution high dose
- Where
- Singapore
- Volunteers
- 99 people
- Sponsor
- Santen Pharmaceutical Co., Ltd.