Clinical trials: Refractive Error - Myopia
Induced Defocus to the Retina
Defocus Induced Changes on Choroidal Thickness
The goals of this study are to assess the short-term (10-60 minutes) effects of different magnitudes of myopic and hyperopic optical defocus on the transient thickness of the choroid in children and adults, as well as to assess…
- Trial name
- NCT03954886
- Testing
- Plus powered optical lens
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Houston
Myopia, Astigmatism
Contralateral Study of Topography Guided LASIK Versus Small Incision Lenticule Extraction
This study evaluates differences in postoperative visual outcomes between patients receiving Topography-Guided LASIK in one eye and Small Incision Lenticule Extraction in the other eye.
- Trial name
- NCT05611294
- Testing
- Topography Guided LASIK Surgery, Small Incision Lenticule Extraction Surgery
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Hoopes Vision
Myopia
Association of Genetic Variants With Myopia
This study aims to identify genetic factors linked to myopia, including those that influence a person's risk of developing it and how quickly it progresses (like changes in eye length).
- Trial name
- NCT07030153
- Testing
- Oral swab DNA analyzed for myopia-related gene variants
- Where
- 2 sites in China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Beijing Visionly Plus Eye Hospital
Myopia
Phase 1 Study of SHJ002 Sterile Ophthalmic Solution in Pediatric Subjects
This is a single-center, open-label, first-in-human dose-escalation study of SHJ002 Ophthalmic Solution in children. (Part 1) Three (3) subjects will receive each concentration of SHJ002 for 3 days in an escalation design in one…
- Trial name
- NCT04928144
- Testing
- SHJ - Low concentration, SHJ - Mid concentration, SHJ - High concentration
- Where
- Taiwan
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Sunhawk Vision Biotech, Inc.
Myopia, Safety Issues
The Safety and Effectiveness of Breath-O Lenses
In Hong Kong, approximately 80% of children are myopic by the end of childhood. There is intense interest currently in the potential role of peripheral defocus as a clinical treatment to slow myopia progression.
- Trial name
- NCT03616600
- Testing
- Breath-O-Correct Lens
- Where
- Hong Kong
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia
Axial Length With Adult Onset Myopia (ALWAOM)
Purpose: To determine axial length progression and its relationship with myopia onset and progression in adults.
- Trial name
- ALWAOM (NCT05559567)
- Testing
- Orthokeratology
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Art Optical Contact Lens, Inc.
Myopia
Controlling Myopia Progression With Soft Contact Lenses (Contact Lens Control)
This study is to investigate whether novel soft contact lens optical designs can slow myopia progression
- Trial name
- NCT01829191
- Testing
- Soft Contact Test Lens A, Soft Contact Test Lens C
- Where
- United States
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Hyperopia
One-month Clinical Evaluation of Oté Sensation Multi-Purpose Solution Care System
The purpose of this study is to evaluate the clinical performance of the contact lens care product Oté Sensation in a representative population of soft contact lens wearers.
- Trial name
- NCT03278223
- Testing
- Test solution, Control solution
- Where
- 11 sites in United States, United Kingdom
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- OTE North America
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.
Presbyopia
Using AGN-190584 in Subjects Utilizing Single -Use Daily, Contact Lenses
AGN-190584 has gone through many clinical trials showing its safety and effectiveness in individuals from 40-55 years of age. There has been no published data on the use of this product in individuals corrected with contact…
- Trial name
- NCT05624320
- Testing
- AGN-190584
- Volunteers
- healthy volunteers welcome
- Sponsor
- Gordon Schanzlin New Vision
Myopia
Long-term Effects of Laser Refractive Surgery
This study will determine if there are short- and long-term postoperative differences in visual and corneal outcomes between different laser refractive surgical procedures.
- Trial name
- NCT00350246
- Testing
- Laser Refractive Surgery
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Near Vision
Evaluation of Near Visual Acuity With ODYSIGHT, a Smartphone Based Medical App in Comparison to a Standardized Method
This study evaluates the level of agreement between visual parameters tested using OdySight, a mobile application, and standards in office methods.
- Trial name
- TIL-001 (NCT03457441)
- Testing
- Standards vision tests, OdySight medical application assessment
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Tilak Healthcare
Myopia, Corneal Crosslinking
Photorefractive Intrastromal Corneal Crosslinking as a Treatment for Low Grade Myopia
To assess the improvement in refractive error and the corneal endothelial safety with a customized corneal crosslinking treatment regimen for low grade myopia.
- Conditions
- Myopia, Corneal Crosslinking, Refractive Errors, Eye Diseases
- Trial name
- NCT03987880
- Testing
- 4.0 mm treatment, 3.5 mm treatment
- Where
- Sweden
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Umeå University
Myopia, Astigmatism
Multi Laser Platform Comparison Study for LASIK
Comparison of LASIK outcomes using 3 different lasers and a total of 5 different treatment platforms.
- Trial name
- VBLWL-001 (NCT00770094)
- Testing
- Excimer Lasers, Excimer Laser for the LASIK procedure, Excimer Laser for LASIK
- Where
- 3 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Durrie Vision
Myopia, Mental Health
Intervention for Preventing Myopia and Multimorbidity in Children
This study aims to develop and evaluate a scalable, hybrid intervention model for the co-prevention of myopia, obesity, and mental health issues among children.
- Conditions
- Myopia, Mental Health, Cardiovascular Health Status
- Trial name
- NCT07294222
- Testing
- Standard School Health Education, Multi-component Health Promotion Package
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao
Myopia, Astigmatism
Contralateral Comparison of Three Excimer Laser Systems in Performing LASIK
The purpose of this study is to compare LASIK outcomes using the WaveLight ALLEGRETTO WAVE™ wavefront guided or optimized excimer laser treatment with the AMO/VISX CustomVue™ and the LADARVision 4000 excimer laser treatment.
- Trial name
- WLCVLV-001 (NCT00821236)
- Testing
- Excimer Laser, AMO/VISX CustomVue™, LADARVision 4000 excimer laser
- Where
- 2 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Durrie Vision
Myopia, Refractive Errors
Prevalence and Environmental Factors for Myopia Among Chinese School-aged Children and Adolescent in Tianjin
The high prevalence of myopia has become a global public health problem. The study amied to investigate the prevalence and progression of myopia associated with social environmental factors in Tianjin, a Chinese megacity in north…
- Trial name
- NCT05336799
- Where
- China
- Volunteers
- 500,000 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Emmetropization, Myopia
Focus-out Glasses on Emmetropization in Chinese Children
The purpose of this study is to characterize the effects of peripheral focous-out glasses on emmetropization in non-myopic Chinese Children Aged 6-8 Years.This is a prospective, parallel-controlled randomized trial.
- Conditions
- Emmetropization, Myopia, Hyperopia
- Trial name
- NCT05689567
- Testing
- DEFOG glasses(peripheral focus-out glasses)
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Fudan University
Myopia
Effects of Blue of Glasses VS Standard Lenses on Contrast Sensitivity & Visual Fatigue in Myopic & Non-Myopic Adults
This study investigates the effects of blue light-blocking glasses compared to standard lenses on contrast sensitivity and visual fatigue in myopic and non-myopic adults.
- Trial name
- NCT06739525
- Testing
- Blue Light-Blocking Glasses (Intervention Group), Standard Lenses (Control Group)
- Where
- Pakistan
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Superior University
no Obvious Abnormalities, Diabetic Retinopathy (DR)
Retinal Clinical Assessment With AI-derived Quantitative Information
This randomized controlled trial evaluates whether providing clinicians with AI-derived quantitative retinal information improves the quality and efficiency of retinal clinical assessment.
- Conditions
- no Obvious Abnormalities, Diabetic Retinopathy (DR), AMD, Cup-to-disc Ratio Bigger Than 0.5
- Trial name
- NCT07291960
- Testing
- AI-derived retinal quantitative information-assisted reporting
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital