Clinical trials: Refractive Amblyopia
Amblyopia
Is Non-cycloplegic Photorefraction Applicable for Screening Refractive Risk Factors of Amblyopia?
Purpose: : This study was performed to compare the accuracy of non-cycloplegic photorefraction with cycloplegic refraction in detection of refractive amblyopia risk factors and determine some corresponding beneficial cut points.
- Trial name
- NCT01308307
- Testing
- photorefraction
- Where
- Iran
- Volunteers
- 185 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Amblyopia, Refractive Errors
The Effect of Early Glasses on the Development of Amblyopia
In a randomized controlled trial, we will establish whether early glasses for high refractive error at age one reduce the development of amblyopia between age one and four.
- Trial name
- EGS (NCT04740593)
- Testing
- Orthoptic care with the prescription of glasses from age 12-18 months onwards, Orthoptic care without the prescription of glasses from age 12-18 months onwards, First measurement only
- Where
- Netherlands
- Volunteers
- 601 people, healthy volunteers welcome
- Sponsor
- Erasmus Medical Center
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)
Refractive Errors, Esotropia
Changes in Refractive Error in Patients With Both Partially Refractive Esotropia and Amblyopia
To investigate changes in refractive errors and evaluate clinical outcomes of strabismus surgery in patients with both amblyopia and partially refractive esotropia (PAET).Amblyopic patients with PAET were enrolled.
- Conditions
- Refractive Errors, Esotropia, Amblyopia Strabismic
- Trial name
- NCT04429659
- Where
- Turkey (Türkiye)
- Volunteers
- 58 people
- Sponsor
- Sakarya University
Myopia, Amblyopia
Access to EyeGlasses for School-aged Children
Uncorrected refractive error is a leading cause of visual impairment in children and can impact vision, quality of life, and academic performance.
- Conditions
- Myopia, Amblyopia, Hyperopia, Refractive Errors
- Trial name
- ATEG (NCT05588362)
- Testing
- Fitz Frames 3-D Printed Glasses
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Boston Children's Hospital
Anisometropic Amblyopia, Strabismic Amblyopia
3D Movie Viewing vs Occlusion for Treating Amblyopia in Children
Amblyopia is a common childhood visual disorder that affects vision in one eye and can also impair depth perception (stereopsis).
- Trial name
- VISTA3D (NCT07563946)
- Testing
- 3D Movie Viewing, Occlusion Therapy
- Volunteers
- 56 people
- Sponsor
- Universitat Politècnica de Catalunya
Amblyopia
Observational Study of Optical Correction for Strabismic Amblyopia in Children 3 to <7 Years Old
This study will evaluate the effectiveness of refractive correction alone for the treatment of previously untreated strabismic or combined-mechanism amblyopia in children 3 to <7 years old with visual acuity of 20/40 to 20/400
- Trial name
- ATS13 (NCT00669539)
- Where
- United States
- Volunteers
- 156 people
- Sponsor
- Jaeb Center for Health Research
Amblyopia, Anisometropic, Pediatric
Multimodal Therapy in Anisometropic Amblyopia
This study aims to evaluate whether a six-month app-based visual therapy program, called AmblyoPlay, can improve visual acuity, oculomotor skills, and balance in children with anisometropic amblyopia (a type of "lazy eye" caused…
- Conditions
- Amblyopia, Anisometropic, Pediatric, Postural Balance, Vision Therapy
- Trial name
- MUTA (NCT07093840)
- Testing
- AmblyoPlay Digital Visual Therapy, control group
- Where
- Turkey (Türkiye)
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Yusa Basoglu
Amblyopia
Treating Amblyopia With CureSight
Patients with visual acuity and ocular characteristics outside the Novasight FDA multi-center study are to perform the same Curesight procedures- including M\&S EVA or eETDRS patched acuity, stereo and then utilize the Curesight…
- Trial name
- ABCDCS (NCT06165705)
- Testing
- CureSight
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Amblyopia, Myopia
Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population
Screening of haitian children between the ages of 3 and 6 years old for amblyogenic risk factors with the use of the Spot photoscreener. The photoscreener results will be compared to the complete ophthalmologic evaluation.
- Conditions
- Amblyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- POPH (NCT02655432)
- Testing
- Spot photoscreener, Ophthalmologic evaluation, Cyclopleged refraction
- Where
- 3 sites in Haiti
- Volunteers
- healthy volunteers welcome
- Sponsor
- Université de Montréal
Anisometropia, Hyperopia
Photorefractive Keratectomy for Severe Anisometropia and Isoametropia Associated With Amblyopia
Photorefractive keratectomy (PRK) with excimer laser has been used successfully to treat myopia, hyperopia, and astigmatism in adults for over 35 years.
- Conditions
- Anisometropia, Hyperopia, High Myopia, Amblyopia Isometropic
- Trial name
- NCT03610997
- Testing
- Photorefractive keratectomy
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Baylor College of Medicine
Amblyopia, Anisometropic Amblyopia
Correction of Anisometropic Amblyopia in Children.
Anisometropic amblyopia among children in school age may affects quality of life and educational progress of children.
- Conditions
- Amblyopia, Anisometropic Amblyopia, Anisometropia and Aniseikonia, Refractive Errors
- Trial name
- NCT05325021
- Testing
- Axial length measurement in millimeter (mm) by optical biometry device, Autorefractometer to measure the refractive error in both eyes.
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Benha University
Myopia, Amblyopia
Myopia Control With Three Lever Irradiance of PBM Therapy in Children and Adults
Photobiomodulation therapy, that is, Low-level red-light technology provides a new and innovative myopia control approach. This strategy enables relatively high energies of light to be delivered at much shorter durations of…
- Conditions
- Myopia, Amblyopia, Refractive Error - Myopia Axial, Ametropia
- Trial name
- MCPT (NCT05957458)
- Testing
- Airdoc device of red light for Myopia
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Beijing Airdoc Technology Co., Ltd.
2WIN-S Portable Refractor
Comparing Preschool-Aged Refractive Measurements and Amblyopia Risks Using the 2WIN-S Portable Refractor with Vision Screening by Cycloplegic Refraction in Bangkok
The goal of this diagnostic test is to compare the results of refraction and amblyopia risks between using 2WIN-S portable refractor and cycloplegic refraction in pre-school age.
- Trial name
- NCT06148519
- Testing
- 2WIN-S portable refractor
- Where
- Thailand
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand
Amblyopia, Anisometropia
Dichoptic Treatment vs. Patching for Moderate Anisometropic Amblyopia
Recently, there has been an increased interest in evaluating binocular therapies (e.g perceptual learning and dichoptic treatment) for amblyopia.
- Trial name
- NCT04302701
- Testing
- Dichoptic treatment using virtual reality, Patching
- Volunteers
- 84 people
- Sponsor
- Cairo University
Amblyopia, Strabismus
Screening for 3-D Visual Disorders in Preschool Children
Visual screening is necessary among pre-school children as they found themselves in a critical period of visual developement. To date, there are no national vision screening program that has been implemented nationwide.
- Conditions
- Amblyopia, Strabismus, Anisometropia
- Trial name
- VISION (NCT05204069)
- Testing
- Instillation of cyclopentolate
- Where
- France
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Amblyopia, Strabismus
Vision In Preschoolers Study (VIP Study)
To identify vision-screening tests that can accurately predict those three- and four-year old preschoolers who would benefit from a comprehensive vision examination because of signs of amblyopia, strabismus, and/or significant…
- Conditions
- Amblyopia, Strabismus, Refractive Error
- Trial name
- NCT00038753
- Testing
- Vision Screening
- Where
- 5 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Amblyopia, Anisometropia
A Randomized Controlled Trial of Gabor-Based Perceptual Learning for Adult Amblyopia
This study is initiated and conducted by the Shanghai Eye Disease Prevention and Treatment Center / Shanghai Eye Hospital. Many people once believed that amblyopia (commonly known as "lazy eye") could only be treated during…
- Trial name
- NCT07764198
- Testing
- Gabor training
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Jiannan Huang
Amblyopia
Patching for Lazy Eye: Trial to Evaluate Daily Patching Amounts
Amblyopia ('lazy eye') is the commonest visual disorder of childhood and is caused by an interruption to visual development. Occlusion of the better eye by patching is the mainstay of treatment, so forcing use, of the affected…
- Trial name
- NCT00274664
- Testing
- 6 hours occlusion by patching, 12 hours occlusion by patching
- Where
- 2 sites in United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- City, University of London
Amblyopia
Bilateral and Unilateral Amblyopia Treatment Study
The purpose for this study is to investigate spectacle compliance and treatment outcome in bilateral and unilateral refractive amblyopia in children age 3 to <10 years old.
- Trial name
- NCT03780205
- Testing
- Prescription glasses for bilateral amblyopia, Prescription glasses for unilateral amblyopia
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Salus University