Clinical trials: Short-Sighted
Myopia
Evaluation of the Performance of Different Daily Disposable Lens Designs in Habitual Soft Contact Lens Wearers
The main objective of the study is to refit existing soft lens wearers with two different daily disposable contact lens types, Lens A and Lens B, to determine their performance after one week of wear.
- Trial name
- NCT04668989
- Testing
- stenfilcon A - (Test lens), kalifilcon A - (Control Lens)
- Where
- 4 sites in United States
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Efficacy of PEG-400 and Systane Artificial Tears (Alcon) on Quality of Vision
To evaluate the effect of PEG-400 and Systane on quality of vision after LASIK.
- Trial name
- NCT00627302
- Testing
- PEG-400, Systane
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Bp Consulting, Inc
Myopia, Progressive
Stellest Lens Wear in Adult Progressing Myopes
It is expected that myopia progression stabilises in the late teenage years, however, some studies report that myopia progression continues through early adulthood in as many as one third of myopes.
- Trial name
- SWAP (NCT06520124)
- Testing
- Essilor® Stellest® spectacle lens, Single-vision spectacle lens
- Where
- United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Presbyopia
Trial of the PresVIEW Implant for the Improvement of Near Vision in Patients With Presbyopia
The primary objective of this study is to evaluate the safety and effectiveness of the PresVIEW™ Scleral Implant (PSI) for the improvement of near visual acuity in presbyopic patients.
- Trial name
- NCT01166568
- Testing
- PresVIEW Scleral Implants
- Where
- 14 sites in United States
- Volunteers
- 337 people, healthy volunteers welcome
- Sponsor
- VisDura, Inc.
Posterior Capsule Opacification
Posterior Capsule Opacification (PCO) With AcrySof Single-Piece IOL
The purpose of this study what to evaluate if axial myopia might influence the development of PCO.
- Trial name
- NCT00855491
- Testing
- Phaco
- Where
- India
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Iladevi Cataract and IOL Research Center
Refractive Errors, Astigmatism
EyeQue VisionCheck 510(k) Clinical Trial
Demonstrate that refraction measurements from the device agree with refraction measurements from a phoropter within clinically meaningful limits.
- Trial name
- NCT06044688
- Testing
- EyeQue VisionCheck, Phoropter
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
Astigmatism, High Myopia
Comparison Between TICL and ICL+AK for High Myopic Astigmatism
To compare the outcomes of a toric Implantable Collamer Lens (ICL) and a spherical Implantable Collamer Lens combined with astigmatic keratotomy (AK) in the correction of high myopic astigmatism.
- Trial name
- NCT03202485
- Testing
- Toric Implantable Collamer Lens, ICL + Astigmatic keratotomy
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Ametropia, Myopia; Refractive Error
The Objective of This Study is to Evaluate the Perfomance of a Photorefraction Device for Screening Ametropia in Children. Eligible Participants Will Undergo Multiple Refractive Error Measurements, Visual Acuity and Strabismus Assessments During a Single Evaluation Visit.
The goal of this clinical trial is to evaluate the performance of a photorefraction screener in terms of sensibility, sensitivity and accuracy on children aged 3 to 8 y.o.
- Conditions
- Ametropia, Myopia; Refractive Error, Myopia; Astigmatism
- Trial name
- NCT06882408
- Testing
- Photorefraction device under investigation, Comparator device, Tabletop auto-refractometer, Comparator device, portable photorefraction device
- Where
- 2 sites in France
- Volunteers
- 315 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Child Myopia Progression
Photolithography Microstructure Myopia Management Lenses in Preventing and Controlling Myopia in Children and Adolescents
Evaluate the effectiveness of different lithographic microstructured myopia management lenses in controlling the progression of myopia in children and adolescents, as well as the safety and comfort of wearing them.
- Trial name
- NCT07514039
- Testing
- Myopia management lens
- Where
- China
- Volunteers
- 252 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Refractive Error - Myopia
Does Undercorrection of Myopia Retard Myopia Progression Among Kindergarten Children?
The purpose of this study is to find out if undercorrection of myopia slow down the progression of myopia in kindergarten children.
- Trial name
- NCT00348166
- Testing
- cyclopentolate
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- KK Women's and Children's Hospital
Myopia
The Response to Atropine Drops (RAD) Study
The purpose of this study is to examine the comfort of giving low concentration atropine eye drops.
- Trial name
- NCT05199597
- Testing
- 0.01% atropine, 0.05% atropine
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Myopia
Wearability of and Myopia Progression With ZEISS MyoCare Spectacle Lenses
This is a clinical trial evaluating the wearability and effectiveness of three types of ZEISS spectacle lenses in controlling myopia progression.
- Trial name
- NCT07021560
- Testing
- ZEISS MyoCare spectacle lenses, ZEISS SV RX SPH 1.5, ZEISS Clearview
- Where
- Vietnam
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- ZEISS Vision Care
Cataract, Pseudophakia
Evaluation Study for a Non-Contact Biometer
The purpose of this study is to determine whether a new non-contact biometer, is as accurate as the the available gold-standard.
- Conditions
- Cataract, Pseudophakia, Myopia, Hyperopia
- Trial name
- NCT00494390
- Where
- Switzerland
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Glaucoma, Myopia
Corrected Measurement of the Retinal Nerve Fiber Layer Thickness by Optic Disc Configuration With the Cirrus HD OCT
Because the measurement of the retinal nerve fiber layer thickness is very sensitive to the position of measurement, it may be incorrect in patients with the tilted disc.
- Trial name
- NCT00741130
- Where
- South Korea
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Myopia, Corneal Crosslinking
Advanced Cross Linking for Low-grade Myopia
To evaluate the improvement in myopic refractive error and the corneal endothelial safety with a corneal crosslinking treatment regimen for mild myopia.
- Trial name
- PiXLO2 (NCT03197272)
- Testing
- PiXL
- Where
- Sweden
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Umeå University
Adolescents and Children, Axial Elongation
Naked Eye 3D Vision Training for the Prevention and Control of Myopia in Adolescents and Children
The study used children aged 6-18 as subjects to evaluate the efficacy and safety of naked eye 3D vision training for the prevention and control of myopia in adolescents.
- Conditions
- Adolescents and Children, Axial Elongation, Naked Eye 3D Vision Training, Visual Function
- Trial name
- NCT05468775
- Testing
- Naked eye 3D vision training
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia
Performance Comparison Between Comfilcon A and Senofilcon C Lenses
The aim of this study is to determine the clinical performance of comfilcon A in comparison to senofilcon C.
- Trial name
- NCT02920957
- Testing
- comfilcon A, senofilcon C
- Where
- 5 sites in United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Performance Evaluation of Different Daily Disposable Silicone Hydrogel Contact Lenses
The goal of this study is to compare the performance of two daily disposable silicone hydrogel contact lenses.
- Trial name
- NCT05805059
- Testing
- Control Contact Lens (stenfilcon A), Test Contact Lens (senofilcon A)
- Where
- 4 sites in United States, Canada
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia, Astigmatism
Quality of Vision and Quality of Life With LASIK
The investigators are administering a validated questionnaire looking at patient reported quality of life and quality of vision after LASIK surgery
- Conditions
- Myopia, Astigmatism, Quality of Lifte
- Trial name
- NCT02161263
- Testing
- Patient Quality of Life andVision after LASIK Surgery
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Edward E. Manche
Alcohol Intoxication
Real-world Experiences of Alcohol and Cognitions Over Time
The goal of this clinical trial is to examine how alcohol affects young adults' attention in both laboratory and real-world settings through phone-based cognitive tasks.
- Trial name
- REACT (NCT06579521)
- Testing
- Alcohol
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- University of Washington