Clinical trials: Refractive Error - Myopia
Myopia
The Different Design of Orthokeratology
In this study, we intend to enroll orthokeratology subjects aged 8-18 years old with binocular myopia up to and including -4.00 D.
- Trial name
- NCT05956704
- Testing
- Orthokeratology with aspheric wide inversion zone design in the optical zone, Orthokeratology with traditional spherical design in the optical zone
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Myopia, Outdoor Activity
Vision Care Intervention for Lower Grade School Children in Taiwan
The purpose of this study is making use of school policy- recess outside classroom (ROC7-11) for increasing the time spent outdoor during recess and encouraging children spent time outdoor up to 11 hours in each week to…
- Conditions
- Myopia, Outdoor Activity, Policy of Recess Outside Classroom
- Trial name
- NCT02082743
- Testing
- Outdoor activity in recess time
- Where
- Taiwan
- Volunteers
- 1,020 people
- Sponsor
- Chang Gung Memorial Hospital
Myopia
Subjective Evaluation of a Commercially Marketed Contact Lens Amongst a Subset of the Contact Lens Wearing Population
The purpose of this study is to compare the performance of commercially marketed contact lenses to habitual contact lenses in a selected segment of the contact lens wearing population.
- Trial name
- NCT01007916
- Testing
- Lotrafilcon B contact lens, Habitual contact lens
- Volunteers
- 50 people
- Sponsor
- CIBA VISION
Myopia, Myopia; Refractive Error
Efficacy and Visual Quality of Orthokeratology Lenses With Different Designs
Orthokeratology (ortho-k) lens is very effective in slowing down axial elongation in myopic children by 30% to 63% when compared to children wearing single-vision spectacles or contact lenses.
- Trial name
- NCT06825585
- Testing
- Orthokeratology with 5.0mm back optical zone diameter, Orthokeratology with a 6.2 mm back optical zone diameter
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Xiaoyan Yang
Myopia, Progressive, Children, Only
Eleven Years of Menicon Z Night Contact Lens Wear in Reducing Myopia Progression in Children
To compare axial length growth of white European myopic children wearing Menicon Z Night orthokeratology contact lenses to a control group of distance, single-vision glasses and contact lenses over an 11-year period.
- Trial name
- MCOS11 (NCT04806711)
- Testing
- Menicon Z Night, Control
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Menicon Co., Ltd.
Myopia, Esophoria
Bifocal Soft Contact Lenses and Their Effect on Myopia Progression in Children and Adolescents.
The purpose of this study is to determine whether bifocal soft contact lenses are effective in controlling the progression of myopia in children and adolescents that exhibit a tendency to excessively cross their eyes while…
- Conditions
- Myopia, Esophoria, Fixation Disparity
- Trial name
- NCT00214487
- Testing
- Bifocal Contact Lenses
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Aller, Thomas A., OD
Myopia, Myopia Progression
Children's Viewing Behavior
The aim of this study is to investigate the area of the spectacle lens in which a subject is viewing through regardless of task being performed.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- NCT07229365
- Testing
- Novel spectacle lens design, Spectacle lens designs
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia
Pharmacological and Non-pharmacological Treatment Effects on Children With Different Predicted Myopia Progression Rate
The goal of this clinical trial is to compare pharmacological and non-pharmacological treatment effects on the children with different predicted myopia progression rate measured by modified multifocal electroretinogram.
- Trial name
- NCT06282848
- Testing
- Atropine 0.05%, DIMS lens
- Where
- Hong Kong
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Loss of Visual Contrast Sensitivity, Near Vision
Visual Performance Following Implantation of Presbyopia Correcting IOLs
The purpose of the current study was to compare the visual performance after bilateral implantation of the Panoptix IOL , or the AT LISA IOL or Tecnis Symfony IOL .
- Conditions
- Loss of Visual Contrast Sensitivity, Near Vision, Visual Impairment
- Trial name
- NCT04907955
- Testing
- phacoemulsification with implantation of presbyopia correcting IOL
- Where
- Kuwait
- Volunteers
- 50 people
- Sponsor
- Dar Al Shifa Hospital
Myopia
the Effect of Low-Concentration Atropine Combined With Auricular Acupoint Stimulation in Myopia Control
To compare the effect of myopia control between patients treated with low-concentration atropine eye drops combined with auricular acupoint stimulation and those treated with atropine alone.
- Trial name
- NCT02055378
- Testing
- Atropine, auricular acupoint stimulation
- Where
- Taiwan
- Volunteers
- 73 people
- Sponsor
- Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation
Myopia, Myopic Macular Degeneration
Development and Validation of a Deep Learning-based Myopia and Myopic Maculopathy Detection and Prediction System
Myopia has become a global public health issue. Myopia affects the psychological health of children and adolescents and poses a financial burden.
- Trial name
- NCT05835115
- Testing
- A deep learning-based myopia and myopic maculopathy detection and prediction system
- Where
- China
- Volunteers
- 30,526 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Potentiating Rural Investment in Children's Eyecare (PRICE)
The aim of the project is to create, study and advocate for a model that can be adopted by the Chinese government to provide spectacles for all children sustainable.
- Trial name
- PRICE (NCT02231606)
- Testing
- Free Glasses, Upgrade Glasses 1, Upgrade Glasses 2
- Where
- China
- Volunteers
- 10,234 people
- Sponsor
- Sun Yat-sen University
Myopia
Safety and Efficacy Study of 0.5%, 0.1% & 0.01% Atropine Treatment to Both Eyes In Treatment of Myopia In Children
The purpose of this study is to find an optimal dose of atropine for preventing the rapid progression of myopia in children by comparing the efficacy, safety and functional impact of binocular treatment with 0.5%, 0.1% and 0.01%…
- Trial name
- NCT00371124
- Testing
- Atropine Eye drops
- Where
- Singapore
- Volunteers
- 400 people
- Sponsor
- Singapore National Eye Centre
Myopia, Astigmatism
Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Soft Contact Lens Wearers
The purpose of this study is demonstrate substantial equivalence of an investigational contact lens disinfecting solution to a commercially available contact lens solution in silicone hydrogel and soft contact lens wearers.
- Conditions
- Myopia, Astigmatism, Hyperopia, Refractive Error
- Trial name
- NCT01912768
- Testing
- FID 120947A contact lens disinfecting solution, renu fresh multi-purpose solution, Soft contact lenses
- Volunteers
- 362 people
- Sponsor
- Alcon Research
Presbyopia
Multifocal Contact Lens Use in Previous Contact Lens Wearers With Near Vision Demands
The purpose of this study is to evaluate the use of a multifocal contact lens in people who previously wore contact lenses but discontinued due to age-related, near vision demands.
- Trial name
- GARM (NCT00965237)
- Testing
- lotrafilcon B multifocal contact lens, lotrafilcon B single vision contact lens, Over-reader spectacles
- Where
- Canada
- Volunteers
- 16 people
- Sponsor
- CIBA VISION
Myopia, High Myopia
Efficacy and Safety of Spectacle Lenses With H.A.L.T. MAX Technology on High Myopia Control in Children and Adolescents
Children aged 7-14 years with high myopia were randomly assigned to a control group or an intervention group at a 1:1 ratio. The intervention group wore H.A.L.T.
- Trial name
- NCT07120737
- Testing
- H.A.L.T. MAX spectacles
- Where
- China
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Progressive, Atropine Allergy
Eye Drops Study for Myopia Control in Schoolchildren
The myopia prevalence in schoolchildren is high in Taiwan. The myopia progression is fast in children and often associated high myopia in later life.
- Trial name
- NCT03402100
- Testing
- eye drops
- Where
- Taiwan
- Volunteers
- 150 people
- Sponsor
- Chang Gung Memorial Hospital
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, Cornea
Euclid Phoenix Lens Design Trial
The "first fit" success rate of the current Euclid orthokeratology "MAX" lens design will be compared to that of the new Euclid orthokeratology MAX "Phoenix" lens design in 30 children.
- Trial name
- NCT06389916
- Testing
- Euclid orthokeratology MAX (current design), Euclid orthokeratology MAX Phoenix (new design)
- Where
- 5 sites in United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Euclid Systems Corporation
Myopia
Pilot Study of Accommodative/Vergence Therapy to Modify Accommodative Function in Children With Myopia
This study aims to determine the treatment effect of accommodative/vergence therapy on myopic children by assessment of accommodative function before and after therapy.
- Trial name
- ACC (NCT02578407)
- Testing
- accommodative/vergence therapy
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University