Clinical trials: Myopia
Myopia
The Effect of Myopic Optical Defocus on the Humphrey Matrix 30-2 Test
The purpose of this study is to examine the effect of the myopic optical defocus on the Humphrey Matrix 30-2 test.
- Trial name
- NCT00638430
- Where
- South Korea
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Samsung Medical Center
Presbyopia, Low Vision
Development and Validation of a Digital Optotype for Near Vision in Greek Language.
Primary objective of our study is to develop and validate a computer-based digital near-vision optotype based on the Greek version of the print MNREAD.
- Conditions
- Presbyopia, Low Vision, Near Vision
- Trial name
- DeDART (NCT04242836)
- Testing
- MNREAD testing
- Where
- Greece
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Visual Acuity
Evaluating Soft Contact Lens Prototypes for Myopia Control
This is a multi-site, prospective, randomized, controlled, double-masked, four-arm-parallel-group, dispensing study. Each subject will be bilaterally fitted with one of four types of test articles and wear contact lenses of the…
- Trial name
- NCT03408444
- Testing
- EMO-114, EMO-116, EMO-118
- Where
- China
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
Side Effects of Atropine (SEA) Study
This study will perform several objective and subjective measurements of the eye and vision before and after a week of using 0.01% concentration atropine drops.
- Trial name
- SEA (NCT03593044)
- Testing
- 0.01% concentration atropine drops
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Jeffrey J. Walline, OD PhD
Myopia
Early Intervention for High Risk Premyopic Children
The purpose of this research project is to add evidence of pharmacological (0.025% atropine) and optical (Defocus Integrated Multiple Segments Triple Enhanced Design spectacle lenses ) approaches for myopia prevention among…
- Trial name
- NCT07863713
- Testing
- 0.025% atropine eye drops, DIMS TED
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- National Yang Ming Chiao Tung University Hospital
High Myopia
Wuhan High Myopia Study
The study aims to observe the long-term changes of ocular（especially fundus） structure and visual function in patients with high myopia, so as to provide evidence for the prevention, diagnosis and prognosis of high myopia.
- Trial name
- LOVE-WH (NCT06162234)
- Testing
- observational
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Renmin Hospital of Wuhan University
Myopia
Influence of Corneal Biomechanical Properties on Myopia Control
to analyze the changes in corneal biomechanics of myopic children with different treatment (low concentration atropine eye drops and orthokeratology) and explore the possible mechanism of myopia control
- Trial name
- NCT05090592
- Testing
- orthokeratology, 0.01 atropine
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Buddhist Tzu Chi General Hospital
Human Myopia Model
Clinical Research Plan for Human Myopia Models
Collect optical biological parameters, refractive index data, and other related parameters of myopia and refractive errors in children and adolescents, and establish an optical model of myopia in children and adolescents.
- Trial name
- NCT06185868
- Testing
- No intervention measures
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Robotrak Technologies Co., Ltd.
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, Myopia Progression
Mobility Performance in Daily Activities Among Children Wearing Spectacle Lenses
The aim of this study is evaluate and compare the mobility performance of children in daily activities while wearing single vision spectacle lenses (control) versus myopia control spectacle lenses (test).
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- NCT07229352
- Testing
- Novel spectacle lens design, Spectacle lenses
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia, Dry Eye Disease (DED)
Study of Eye Fatigue From Digital Screens and Its Impact on Visual Performance in People With Normal Vision and Myopia, With and Without Dry Eye Symptoms and Signs
The goal of this observational study is to investigate the effects of eye fatigue induced by screen task on dry eye disease (DED) signs and symptoms, visual performance, and visual behavior in young adults with and without DED…
- Trial name
- RReye (NCT07844408)
- Testing
- Eye Exams, Ocular Biometry and Aberrometry, Wearing a Smartwatch
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Nearsightedness
Association Between Breastfeeding and Likelihood of Myopia in 6-7 Years Old Children
Myopia is the main reason of vision loss in the world which is seen in 30.4 million adults in USA (1). In a myopic eye, images are focused in front of retina because, cornea and crystalline lens become more powerful in focusing…
- Trial name
- NCT01013493
- Where
- Iran
- Volunteers
- 245 people, healthy volunteers welcome
- Sponsor
- National Nutrition and Food Technology Institute
Myopia, Refractive Errors
PiXL as a Treatment for Low Grade Myopia
To assess the improvement in myopia with phototherapeutic intrastromal corneal collagen cross-linking (PiXL) without epithelial debridement (epi-on) in high oxygen environment for low grade myopia.
- Trial name
- NCT04663048
- Testing
- PiXL
- Where
- Sweden
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Umeå University
Refractive Errors
Investigating the Effect of Using Myopia Prediction Algorithm on Myopia Children
In this study, the investigators aim to perform a prospective, randomized controlled study to compare the myopia development between myopia children using myopia prediction algorithm and myopia children without using myopia…
- Trial name
- NCT04044755
- Testing
- Myopia prediction algorithm
- Where
- China
- Volunteers
- 2,138 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Myopia, Refractive Errors
VisuMax Femtosecond Laser Small Incision Lenticule Extraction for the Correction of High Myopia
The purpose of this study is to validate the safety and effectiveness of treating myopia (short-sightedness) higher than -10D using small incision lenticule extraction (SMILE) with the VisuMax femtosecond laser.
- Trial name
- NCT02528123
- Testing
- Small incision lenticule extraction, Tobramycin and dexamethasone, Ofloxacin
- Where
- United Kingdom
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- London Vision Clinic
Myopia
Initial Evaluation of Photorefractive Keratectomy in U.S. Army Personnel
The objective of this study is to conduct a prospective clinical trial to evaluate the safety and efficacy fo the VISX Excimer Laser system for the treatment of naturally occurring low to moderate myopia, with or without low…
- Trial name
- NCT00413673
- Testing
- PRK
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Walter Reed Army Medical Center
Myopia, Maculopathy
Optical Coherence Tomography Imaging of the Posterior Segment in High Myopia.
The prevalence of myopia in East Asia and Singapore in particular is amongst the highest in the world, with estimates ranging from 30-70% of the general population. Up to 30% of these are high myopes.
- Conditions
- Myopia, Maculopathy, Glaucoma
- Trial name
- NCT00347451
- Where
- Singapore
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Accomodation, Biofeedback Training
Assessment of Accommodation Behavior in Children Under Myopia Control Treatment (Pilot Study)
This study will examine the accommodative behavior in children undergoing myopia control treatments. A subset of children showing reduced accommodation, known to occur in while wearing multifocal soft contact lenses (MFCL) from…
- Conditions
- Accomodation, Biofeedback Training, Myopia
- Trial name
- NCT04807361
- Testing
- Auditory biofeedback traing
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Myopia
Characterization of the Corneal Biomechanics of Patients Treated by Corneal Lenticule Extraction for Advanced Refractive Correction (CLEAR) to Correct Myopia
This study aims to perform biomechanical tests on extracted CLEAR lenticles that are routinely discarded after surgery. The investigators also aim to perform Brillouin microscopy to get an in-vivo assessment of the patient's…
- Trial name
- CLEAR Biomech (NCT04817592)
- Testing
- Corneal lenticule extraction for advanced refractive correction (CLEAR)
- Where
- Switzerland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Bern
Myopia
Phase I Clinical Trial to Evaluate the Safety and Tolerability of Ophtalmic Solution PRO-201
Evaluation of the safety and tolerability of PRO-201 (0.01% sulfate atropine) after its instillation on the ocular surface of healthy volunteers through the following variables: unexpected adverse events incidence and photophobia…
- Trial name
- PRO-201 (NCT05470881)
- Testing
- Atropine Sulfate
- Where
- Mexico
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Laboratorios Sophia S.A de C.V.