Clinical trials: Refractive Disorders
Myopia
Atropine (0.02%, 0.04%) Combined With Defocus DIMS for Moderate and High Myopia Control
To evaluate the effectiveness and safety of DIMS, low concentration atropine eye drops,and atropine combined with DIMS in controlling axial length and refraction in children with moderate to high myopia.
- Trial name
- atropine (NCT06523504)
- Testing
- DIMS, The 0.02% ATP Group, The 0.04% ATP Group
- Where
- China
- Volunteers
- 410 people
- Sponsor
- Ruihua Wei
Myopia, Progressive
Double Helix Design Defocus Lens Spectacle (RACE) for Myopia Control
This study uses 1.585 double helix defocus lens PC lenses with a unique optical design that includes a globally coherent visible area and complementary left and right helices that can form clear images.
- Trial name
- NCT05894382
- Testing
- Double Helix Design Defocus Lens Spectacle (RACE), single-vision spetacle lens
- Where
- China
- Volunteers
- 236 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
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, Refractive Error
An Evaluation of Myopia Control Lenses on Wearing Experience in Myopic Children
The goal of this research study is to understand the wearing experience of A.M.L. series of lenses in myopic children. The main questions it aims to answer are: How quickly and effectively children adapt to the A.M.L.
- Trial name
- NCT07354945
- Testing
- A.M.L. Series of Lenses
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Essilor International
Refractive Errors
Bifocal & Atropine in Myopia (BAM) Study
This study will test whether the combined treatment of 0.01% atropine and soft bifocal contact lens wear produces slower myopia progression and axial elongation compared to soft bifocal contact lenses alone in children ages 7 to…
- Trial name
- BAM (NCT03312257)
- Testing
- Multifocal D +2.50 add & 0.01% atropine
- Volunteers
- 49 people
- Sponsor
- Jenny Jones
Myopia
A Multi-center Study of the Effect of Orthokeratology on Myopia Progression
This is a prospective study to validate an algorithm for predicting the effect of orthokeratology on myopia progression in children from 8 hospitals in China.
- Trial name
- NCT04284111
- Testing
- Orthokeratology lenses
- Where
- 8 sites in China
- Volunteers
- 1,000 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia Progression
Orthokeratology Lens Decentration with Two Designs of Corneal Refractive Therapy™ Lenses: a One-year Prospective Study
Background/Objectives: To examine the trend of treatment zone (TZ) decentration over 12 months of Orthokeratology (OK) wear using two corneal refractive therapy (CRT) lens designs: standard (STD) and dual axis (DA).
- Trial name
- NCT06726499
- Testing
- Spherical CRT, Toric CRT
- Where
- Spain
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Down Syndrome, Refractive Errors
Dilated Versus Non-Dilated Wavefront Corrections for Patients With Down Syndrome
Individuals with Down syndrome (DS) live with visual deficits due, in part, to elevated levels of higher-order optical aberrations (HOA).
- Trial name
- NCT05059041
- Testing
- Dilated Refraction, Non-Dilated Refraction
- Where
- 2 sites in United States
- Volunteers
- 42 people
- Sponsor
- Ohio State University
Hyperopia
5 Year Follow up of SMILE® Procedure for the Correction of Hyperopia
The planned study will investigate and evaluate refractive stability, predictability, and safety in patients who underwent SMILE® pro surgery for hyperopia with or without astigmatism at least five years ago.
- Trial name
- PHOBOS-5FU (NCT07133737)
- Where
- 2 sites in Czechia, Germany
- Volunteers
- 100 people
- Sponsor
- Gemini Eye Clinic
Myopia
Microdosed Atropine 0.1% and 0.01% Ophthalmic Solutions for Reduction of Pediatric Myopia Progression
This study evaluates the progression of myopia in participants using microdosed atropine 0.01%, atropine 0.1%, or placebo ophthalmic solution. Eligible subjects will administer study medication daily in each eye for 48 months.
- Trial name
- NCT03942419
- Testing
- Atropine 0.1% Ophthalmic Solution, Atropine 0.01% Ophthalmic Solution
- Where
- 18 sites in United States
- Volunteers
- 438 people
- Sponsor
- Eyenovia Inc.
Corneal Disease, Pterygium
Corneal Epithelium Repair and Therapy Using Autologous Limbal Stem Cell Transplantation
Corneal disease is a leading cause of blindness in the world. A shortage of corneal donor tissue has prevented many patients from regaining vision.
- Conditions
- Corneal Disease, Pterygium, Myopia, Hyperopia
- Trial name
- NCT02148016
- Testing
- LSCs and amniotic membrane (Modified Technique), Amniotic membrane only (Traditional Technique), PRK, LSCs, and amniotic membrane (Modified Technique)
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Sun Yat-sen University
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
Myopic Control for High Myopes Using Orthokeratology
The purpose of this study is to evaluate and compare the eyeball elongation in high myopic children using partial correction orthokeratology and single-vision spectacles.
- Trial name
- HM-PRO (NCT00977236)
- Testing
- Orthokeratology lenses, Single-vision spectacle lenses
- Where
- China
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
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, Progressive
Novel Lenses for Myopia Progression Trial
This is a multi-center , prospective, randomised, longitudinal study to evaluate rate of myopia progression with novel lenses compared to Single-Vision spectacles.
- Trial name
- NCT06563700
- Testing
- spectacle lens, single vision lens
- Where
- China
- Volunteers
- 342 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
Study of Theories About Myopia Progression (STAMP)
At this time, we do not know what causes a child to become more nearsighted (myopic). STAMP will help us better understand nearsightedness in children.
- Trial name
- NCT00335049
- Testing
- progressive addition spectacle lens (bifocal), Single Vision Lenses (SVLs)
- Where
- United States
- Volunteers
- 85 people
- Sponsor
- Ohio State University
Myopia
Myopia Control Efficacy of Second-generation DIMS Spectacle Lenses on Fast Progressing Myopes
The purpose of this study is to examine the efficacy and performance of the variant of Defocus Incorporated Spectacle lenses on controlling myopia progression in fast progressing myopic children.
- Trial name
- NCT05888792
- Testing
- Variant of Defocus Incorporated Spectacle lens (DG2)
- Where
- Hong Kong
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Amblyopia, Anisometropia
Amblyopia (Lazy Eye) Treatment Study
The purpose of this study is to compare the results of two standard treatments for amblyopia in order to find out if one is more effective than the other.
- Conditions
- Amblyopia, Anisometropia, Strabismus
- Trial name
- NCT00001864
- Testing
- Atropine, Patch
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- National Eye Institute (NEI)
Myopia, Myopia Progression
The A.R.R.E.S.T.® Spectacle Film Study
The goal of this clinical trial is to learn if spectacle films using Active Reconfiguration in Retinal Encoding of Spatio-Temporal (A.R.R.E.S.T.®) signal technology works to slow down the rate of myopia progression in myopic…
- Trial name
- NCT06692699
- Testing
- Single vision spectacle lens, A.R.R.E.S.T. spectacle film
- Where
- Vietnam
- Volunteers
- 123 people
- Sponsor
- nthalmic Pty Ltd
Myopia
the Efficacy of 0.01% Atropine for Near Work-induced Transient Myopia and Myopic Progression
Near work-induced transient myopia (NITM) is an important factor in permanent myopia (PM) development and progression. Atropine eye drop is beneficial in reducing initial NITM and slowing down myopic progression.Participants were…
- Trial name
- NCT06034366
- Testing
- 0.01% atropine, 0.9% sodium chloride
- Where
- 2 sites in China
- Volunteers
- 150 people
- Sponsor
- He Eye Hospital