Clinical trials: Refractive Disorders
Refractive Errors, Amblyopia
Performance of 2WIN Photoscreener With Corneal Reflex Compared to School Bus Retinoscopy by AAPOS Guidelines
Pediatric eye patients receive infrared photoscreener screening and skiascopy as a part of routine examination to compare ability to detect amblyopia risk factors.
- Conditions
- Refractive Errors, Amblyopia, Strabismus, Development Delay
- Trial name
- 2WINbus (NCT03668067)
- Testing
- 2WIN photoscreener
- Where
- United States
- Volunteers
- 471 people
- Sponsor
- Alaska Blind Child Discovery
Myopia
Repeatability of AO-SLO (Mona IIa) Technology and Cone Cell Density of Individuals Use Repeated Low-level Red-light Therapy
To explore the repeatability of AO-SLO (Mona IIa) technology and the difference of cone cell density between individuals who used or not used repeated low-intensity red light treatment
- Trial name
- AO-SLO (NCT07160036)
- Testing
- RLRL(Model RS-200-2A, Eyerising; Suzhou Xuanjia Optoelectronic Technology Co., Ltd., Suzhou, China))
- Where
- China
- Volunteers
- 180 people
- Sponsor
- Ruihua Wei
Myopia
Clinical Comparison of Silicone Hydrogel and HEMA-based Daily Disposable Contact Lenses
The purpose of this trial was to compare the performance of an investigational daily disposable contact lens to a commercially available daily disposable contact lens.
- Trial name
- NCT01362907
- Testing
- Delefilcon A contact lens, Etafilcon A contact lens
- Volunteers
- 40 people
- Sponsor
- CIBA VISION
Myopia
Study of Viziatek ISL™ Refractive Phakic Intra Sulcus Lens for Refraction Adjustment in Blind Volunteers
This is a clinical investigation. A total of up to 5 subjects, but not less than 3 at one investigational site will undergo insertion of the ISL in one eye and will be followed through 6 months postoperative.
- Trial name
- NCT05518344
- Testing
- Viziatek ISL™ (hereinafter referred to as the "ISL") implanted in blind eye.
- Where
- Latvia
- Volunteers
- 4 people
- Sponsor
- Hanita Lenses
Myopia
To Evaluate the Effectiveness of New Specially Designed Fitlens Soft Lens.
Myopia is a common disorder, affecting approximately one-third of the US population and over 90% of the population in some East Asian countries.
- Trial name
- NCT05433792
- Testing
- Myolens CN (Central-Near) soft contact lens, MiSight® soft contact lens
- Where
- Israel
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Fitlens Ltd.
Myopia
Observational Survey Study on the Impact of Myopia and Its Complications on Quality of Life.
This study aims to assess the impact of myopia in childhood and its long-term complications in adulthood on health-related Quality of Life (HRQoL), providing valuable data for cost-effectiveness models.
- Trial name
- NCT06912802
- Testing
- Non-Intervention
- Where
- 10 sites in Denmark, France and 5 more
- Volunteers
- 344 people
- Sponsor
- Santen SAS
Refractive Errors
Seeing to Learn in Sierra Leone
The main objective of the Sierra Leone Sees to Learn (SL2) trial is to assess the educational impact of providing free eyeglasses to students aged 9-20 years with uncorrected refractive error in Sierra Leone.
- Trial name
- SLII (NCT06065631)
- Testing
- Eyeglasses, Prescription slip
- Where
- Sierra Leone
- Volunteers
- 1,821 people
- Sponsor
- University of Minnesota
Strabismic Amblyopia, Refractive Amblyopia
Comparative Validation of "Blinq" and "2WIN" Vision Screeners
After 28 years of development, the binocular birefringence screener ("blinq," "Rebion") was commercially released. It need to be validated with AAPOS (American Association for Pediatric Ophthalmology and Strabismus) criteria in…
- Conditions
- Strabismic Amblyopia, Refractive Amblyopia, Strabismus
- Trial name
- NCT04195711
- Testing
- objective pediatric vision screen, "blinq,"
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Alaska Blind Child Discovery
Amblyopia, Refractive Errors
Vision Screening for the Detection of Amblyopia
INTRODUCTION. Amblyopia is defined as the loss of visual acuity (VA) in one or both eyes, without any obvious structural or pathological anomalies.
- Conditions
- Amblyopia, Refractive Errors, Anisometropia, Strabismus
- Trial name
- NCT01430247
- Testing
- Amblyopia screening
- Where
- Croatia
- Volunteers
- 7,000 people
- Sponsor
- Mladen Busic
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.
Myopia
Echothiophate Iodide for the Prevention of Progression of Myopia
The purpose of this study is to test the hypothesis that myopia progression can be slowed or prevented by low dose Echothiophate Iodide.
- Trial name
- NCT02544529
- Testing
- Echothiophate Iodide 0.03% Ophthalmic Solution, Carboxymethylcellulose Sodium (0.5%)
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Danbury Eye Physicians & Surgeons, PC
Myopia
A Study of the Efficacy and Safety of Two Low-concentration Atropine Sulfate Eye Drops
A randomized, double-blind, placebo-controlled, multicenter, phase III clinical study of the efficacy and safety of two low-concentration atropine sulfate eye drops in slowing the progression of myopia in children
- Trial name
- China-CHAMP (NCT06209320)
- Testing
- Lower dose atropine sulfate eye drops, Low dose atropine sulfate eye drops
- Where
- China
- Volunteers
- 777 people
- Sponsor
- Zhaoke (Guangzhou) Ophthalmology Pharmaceutical Ltd.
Myopia
In-vivo Wettability Grading and Assessment Study
The purpose of this study is to investigate the front surface wettability of soft contact lenses while on eye.
- Trial name
- CIAN (NCT01010555)
- Testing
- lotrafilcon B, balafilcon A, senofilcon A
- Where
- Canada
- Volunteers
- 25 people
- Sponsor
- CIBA VISION
Myopia
Wavelength Intervention for Nearsighted Kids
The goal of this clinical trial is to learn if daily brief periods of specialized soft contact lens wear work to slow the progression of nearsightedness in children.
- Trial name
- WINK (NCT06598423)
- Testing
- Specialized soft contact lens 1, Specialized soft contact lens 2
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Juvenile Myopia, Myopia
Assessment of DOT Spectacles in Chinese Children Extension
This is a randomized, controlled, open-label, evaluator-blinded, multicenter, clinical trial of 12-months duration to evaluate the continued safety and efficacy of Diffusion Optics Technology (DOT) spectacle lenses in reducing…
- Trial name
- CATHAY Ext (NCT07008001)
- Testing
- Novel spectacle lens design
- Where
- 5 sites in China
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia, Progressive
Slow Myopia Progression With Different Irradiance Light
It is a prospective clinical control study on red light control myopia with specail design spectacles for 75 children in 3 groups. Study Groups with two different powers of 0.6 mW and 1.2 mW at wavelength of 650nm.
- Trial name
- NCT05881655
- Testing
- Airdoc Red Lighting Device, Special Spectacles to Control Myopia
- Where
- China
- Volunteers
- 75 people
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
Myopia
Delaying the Onset of Nearsightedness Until Treatment (DONUT) Clinical Trial
The aims of this clinical trial will test whether or not the onset of nearsightedness is delayed in a group of children randomized to nightly drops in 0.05% atropine in both eyes, in comparison to children who receiving nightly…
- Trial name
- DONUT (NCT07567040)
- Testing
- Atropine Sulfate 0.05% Oph Soln
- Where
- 13 sites in United States
- Volunteers
- 664 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Myopia, Myopia, Progressive
Multicenter RCT: LED Red Light Dose-Response in Myopia Progression Control
The goal of this clinical trial is to verify the effectiveness and safety of non-laser LED red light combined with defocus lens therapy for controlling myopia progression and evaluate the impact of different intervention…
- Trial name
- NCT07330180
- Testing
- Yingtong Vision Rehabilitation Instrument, Hoya DIMS multi-point myopia defocus lens
- Where
- 7 sites in China
- Volunteers
- 364 people, healthy volunteers welcome
- Sponsor
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
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
Myopia
Pilot Study of Neurovision to Improve Vision and Slow Myopia Progression in Children With Myopia
This is a pilot study to assess the effectiveness of Neurovision treatment in the improvement of vision in children being under-corrected and to assess the effectiveness of Neurovision treatment in slowing down myopia progression…
- Trial name
- NCT00348218
- Testing
- NeuroVision
- Where
- Singapore
- Volunteers
- 30 people
- Sponsor
- Singapore National Eye Centre