Clinical trials: Myopia; Refractive Error
Myopia
Development of a New Device and Method to Assess the Degree of Myopia and/or Astigmatism in Myopic People
The purpose of this clinical investigation is to check whether the new device can correctly measure a person's degree of myopia and astigmatism.
- Trial name
- MDSW_DiVA2Rx (NCT07297810)
- Testing
- Optical correction values obtained with investigational device and visual acuity, Optical correction values obtained with an autorefractometer and visual acuity, Optical correction values obtained with a phoropter and visual acuity
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Dental Caries
Bedtime Routines and Children's Health
In Taiwan, the prevalence of sleep problems, myopia, and dental caries in school-age children is high. Little is known regarding the implementation of oral and vision health outcomes around bedtime.
- Conditions
- Myopia, Dental Caries, Sleep, Asthenopia
- Trial name
- NCT05201924
- Testing
- Bedtime routine, Control
- Where
- Taiwan
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- National Taiwan University
Myopia
Performance of DAILIES TOTAL1 Daily Disposable Contact Lenses in Habitual Soft Lens Wearers Who Report Substantial Digital Device Use
The purpose of this study is to evaluate the performance of DAILIES TOTAL1 daily disposable contact lenses with regards to subjective symptoms (comfort, dryness, vision) in lens wearers who use identify themselves as substantial…
- Trial name
- FOX (NCT06308666)
- Testing
- Delefilcon A contact lenses
- Where
- Canada
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Myopia
Myopia Prevalence in Canadian School Children - a Pilot Study
The goal of this study is to determine the prevalence of nearsightedness in Canadian school children living in the Waterloo Region.
- Trial name
- Falcon (NCT01942057)
- Where
- Canada
- Volunteers
- 173 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Myopia, Light; Therapy, Complications
Optimizing Light Exposure for Myopia Prevention and Control (LightSPAN)
The goal of this clinical trial is to evaluate whether the optimization of daily exposure to light in primary school children can lead to better myopia prevention and control.
- Conditions
- Myopia, Light; Therapy, Complications, Myopia Progression, Short-Sighted
- Trial name
- LightSPAN (NCT06631339)
- Testing
- Light Intervention, Digital Intervention, Control Group
- Where
- 5 sites in Singapore
- Volunteers
- 396 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Myopia
SEED-LVPEI Myopia Study
This randomized clinical trial study aims to investigate the efficacy of novel SEED's EDOF based mid-lens design in controlling the myopia progression in Indian children with these specific objectives: 1.
- Trial name
- SLIMS (NCT04618510)
- Testing
- SEED 1-dayPure EDOF soft contact lens, Single Vision Spectacles
- Where
- India
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- L.V. Prasad Eye Institute
Cataract, Myopia
VCSEL Based Optical Swept Source Biometry
Optical interferometric biometry is a non-invasive and highly precise method for measuring eye length and intraocular distances. The method already exists as commercial devices (e.g. IOLMaster, Carl Zeiss Meditec AG).
- Trial name
- VBOB (NCT06551480)
- Testing
- Biometry
- Where
- Austria
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Rainer Leitgeb
Myopia
To Study the Effects of Cordyceps Cicadae on Vision Care
Cordyceps cicadae is a traditional Asian herbal medicine with a variety of bioactive substances and curative effects similar to Cordyceps Cicadae, and it has been reported that anti-dry eye and eye protection ingredients can be…
- Trial name
- NCT05778409
- Testing
- Cordyceps cicadae extract
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Myopia
The Role of SNP of ECM and MMP on the Development of Pathological High Myopia
To study the clinical characteristics and inheritance of pathological myopia in Taiwanese patients.
- Trial name
- NCT00172952
- Where
- Taiwan
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Myopia, Hyperopia
Complete Easy Rub Comparative Efficacy Study
The aim of this trial is to assess Complete Easy Rub compared to a competitor multi-purpose solution in terms of lens cleanliness, subjective response and ocular response, when lenses are worn bilaterally on a daily wear basis…
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- NCT01019564
- Testing
- Complete Easy Rub Formula MPS, Aquify MPS
- Volunteers
- healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Myopia, Astigmatism
Toric Orthokeratology - Slowing Eye Elongation
The aims of this study are to investigate the effects of ortho-k for astigmatic and myopic reduction and myopic control in children, and the long term effects on corneal curvatures and biomechanics.
- Trial name
- TO-SEE (NCT00978692)
- Testing
- Toric Orthokeratology lenses, Single-vision spectacles
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Soft Contact Lenses, Myopia
DAILIES TOTAL1 Versus ACUVUE TruEye - Effects on the Biology of the Ocular Surface and Lid Margin
This is a prospective, single center, randomized, bilateral crossover, dispensing clinical trial to evaluate the effects of the water gradient lens, DAILIES TOTAL1, on the biology of corneal epithelium over two months of daily…
- Trial name
- TruEyeTotal1 (NCT02347631)
- Testing
- Soft Contact Lens - Daily Disposable Alcon Dailies Total 1 and ACUVUE TruEye, Soft Contact Lens - Acuvue TruEye and Alcon DAILIES TOTAL 1.
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Refraction Error, Myopia
The MORE Study: Manifest vs. Online Refraction Evaluation
The assessment of the refractive state of the eye is a fundamental and important part of ophthalmic and optometric clinical practice.
- Conditions
- Refraction Error, Myopia, Astigmatism
- Trial name
- MORE (NCT03313921)
- Testing
- Online Manifest Refraction
- Where
- Netherlands
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- UMC Utrecht
Myopia
Impact of Positive & Negative Lens-Induced Defocus on Contrast-Sensitivity in Myopic & Non-Myopic Adults
examines the influence of lens-induced defocus on contrast sensitivity-a crucial aspect of visual performance.Each participant experiences both positive and negative defocus through different lenses, with measurements taken for…
- Trial name
- NCT06753032
- Testing
- Positive Lens-Induced Defocus Using Spectacle Lenses (+2.00 D) for Myopic Participants, Negative Lens-Induced Defocus Using Spectacle Lenses (-2.00 D) for Myopic Participants, Positive Lens-Induced Defocus Using Spectacle Lenses (+2.00 D) for Non-Myopic Participants
- Where
- Pakistan
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Superior University
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
Emmetropia, Myopia
Effects of Light on the Choroid and Pupil
Monochromatic light creates longitudinal chromatic aberration, with short wavelength blue light forming a focal point in front of the retina and long wavelength red light forming a focal point behind the retina.
- Trial name
- NCT05852782
- Testing
- White Light therapy, Blue light therapy, Red light therapy
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Houston
Myopia, Quality of Life
Functional Vision and Quality of Life in a Modern Society - With Emphasis on Myopia and Cerebral Visual Impairment Among Youth
Society has become increasingly digital, and many everyday services have been replaced by digital self-service solutions. This puts greater demands on our vision and our ability to interpret what we see.
- Trial name
- NCT07653074
- Testing
- ophthalmological examination
- Where
- Sweden
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Region Örebro County
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.
Presbyopia
Trial of the PresView Implant for the Improvement of Near Vision in Presbyopic Patients
Study to determine the effectiveness of the PresVIEW Scleral Implant to improve near vision in patients who require reading glasses
- Trial name
- NCT01933750
- Testing
- PresVIEW Device Implantation
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Refocus Ocular Europe, B.V.
Myopia, Obesity
Trial of a Novel Family-Based Intervention to Increase Outdoor Time and Fitness
This study aims to implement a new family-based health behavior community program to increase time spent outdoors and physical activity among Singapore children aged 6 to 12 years in a 1-year randomized clinical trial.
- Trial name
- FIT (NCT01388205)
- Testing
- Family-based Outdoor program
- Where
- Singapore
- Volunteers
- 285 people, healthy volunteers welcome
- Sponsor
- National University of Singapore