Clinical trials: Esotropia
Vision Disorders, Eye; Movement Disorder (Binocular)
Characteristics of the Vergence Responses of Binocularly Normal Subjects After a Vision Therapy Protocol
A vision therapy protocol for vergence ability is mentioned. The purpose of this study is to evaluate objectively the change in the vergence responses of binocular and accommodative normal subjects after performing a classic…
- Conditions
- Vision Disorders, Eye; Movement Disorder (Binocular), Vision Therapy, Binocular Vision Disorder
- Trial name
- NCT05208658
- Testing
- Experimental: Classical Vision Therapy Treatment, Control: Eye Movement Therapy Treatment
- Where
- Spain
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Universitat Politècnica de Catalunya
Strabismus, Nystagmus, Congenital
Genetic Studies of Strabismus, Nystagmus, and Associated Disorders
Strabismus (misalignment of the eyes) often runs in families. In this study, the investigators are looking for genetic variants associated with strabismus and nystagmus.
- Trial name
- NCT04770519
- Testing
- whole genome sequencing or whole exome sequencing
- Where
- United States
- Volunteers
- 400 people
- Sponsor
- Boston Children's Hospital
Partially Accommodative Esotropia
Medial Rectus Fenestration vs Recession for PAET
This prospective comparative study aims to compare medial rectus (MR) muscle fenestration and recession in patients with partially accommodative esotropia (PAET).
- Trial name
- NCT06298929
- Testing
- medial rectus fenestration, medial rectus recession
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Mansoura University
Esotropia
The Prism Adaptation Study (PAS)
To determine whether the preoperative use of prisms in eyeglasses can improve the outcome of surgery for acquired esotropia, a type of strabismus.
- Trial name
- NCT00000121
- Testing
- Prisms in Eyeglasses
- Sponsor
- National Eye Institute (NEI)
Strabismic Deviation, Strabismus
Botulinum Toxin for Strabismus Treatment
The bacterial species Clostridium botulinum produces a class of neurotoxins known as botulinum toxin. At the neuromuscular junction, botulinum toxin A prevents acetylcholine from being released.
- Trial name
- Botox Squint (NCT07180394)
- Testing
- Botox injection into extraocular muscles
- Where
- Pakistan
- Volunteers
- 127 people
- Sponsor
- Foundation University Islamabad
Presbyopia, Esotropia
Accommodation-Related Visual Training Combined with Transcranial Electrical Stimulation Versus Visual Training Alone for the Treatment of Accommodation Dysfunction
This is a single-center, randomized controlled trial to compare the effectiveness of transcranial electrical stimulation combined with visual training with visual training alone for the treatment of accommodation disorder…
- Trial name
- NCT06714890
- Testing
- Transcranial Electrical Stimulation, Visual Training
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Esotropia
Early Versus Delayed Surgery for Infantile Esotropia
The goal of this study is to determine whether corrective surgery done earlier than the current standard can better improve the visual and eye movement deficits in children with infantile esotropia (crossed eyes in infancy).
- Trial name
- NCT01166503
- Testing
- mVEP Testing, Stereoacuity Testing, Optokinetic nystagmus testing
- Where
- Canada
- Volunteers
- 71 people
- Sponsor
- The Hospital for Sick Children
Esotropia
Vision Therapy Versus Prism Treatment in Small-angle Acute Acquired Concomitant Esotropia
This prospective, single-center, nonrandomized comparative study evaluates 6-month ocular alignment and binocular visual function outcomes following combined accommodation and fusional training or prism correction in patients…
- Trial name
- NCT06622044
- Testing
- Vision therapy group, Prism
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Eye & ENT Hospital of Fudan University
Esotropia
Conservative Treatment of Esotropia in Children up to 3 Years Old
The objective of this prospective study is the treatment of esotropia by prescribing the full precise optical correction of refractive errors in children up to 3 years old.
- Trial name
- NCT02404324
- Testing
- Prescription of spectacles
- Volunteers
- 150 people
- Sponsor
- National Centre of Ophthalmology named after academician Zarifa Aliyeva
Strabismus, Esotropia
Bupivacaine Injection of Eye Muscles to Treat Strabismus
This study seeks to determine if bupivacaine injection of eye muscles can make them stronger and stiffer, and thereby correct the position of eyes that are turned in or mis-aligned, a condition generally termed strabismus.
- Conditions
- Strabismus, Esotropia, Exotropia, Graves Disease
- Trial name
- NCT01616108
- Testing
- Bupivacaine
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Smith-Kettlewell Eye Research Institute
Strabismus, Noncomitant
Muscle Transplantation in Strabismus Surgery
All the patients underwent standard muscle transplantation, where the resected extra stump of lateral or medial rectus muscle was transplanted to the medial or lateral rectus muscle using 6-0 prolene which wasrecessed by a…
- Trial name
- NCT05827393
- Testing
- muscle transplantation
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- South Valley University
Strabismus
Lateral Rectus Resection Versus Lateral Rectus Plication in Patients With Residual Esotropia
In this study, the surgical outcomes of lateral rectus plication and resection techniques on patients with residual esotropia will be compared.
- Trial name
- NCT04213768
- Testing
- Lateral rectus plication, Lateral rectus Resection
- Where
- 2 sites in Iran
- Volunteers
- 57 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Esotropia
Long-Term Outcomes in the Treatment of Infantile and Acquired Esotropia With Botulinum Toxin
To investigate long-term treatment outcomes of patients receiving botulinum toxin A therapy for infantile and acquired esotropia.
- Trial name
- NCT00746304
- Where
- Taiwan
- Volunteers
- 164 people
- Sponsor
- National Taiwan University Hospital
Intermittent Strabismus, Exotropia Intermittent
Visual Therapy for Intermittent Strabismus
Intermittent strabismus is a condition in which the eyes occasionally become misaligned, affecting binocular vision, depth perception, and quality of life.
- Conditions
- Intermittent Strabismus, Exotropia Intermittent, Esotropia Intermittent
- Trial name
- ViT(I)S (NCT07563959)
- Testing
- Visual Therapy
- Volunteers
- 30 people
- Sponsor
- Universitat Politècnica de Catalunya
Acquired Esotropia
Botox Instead of Strabismus Surgery (BISS)
The purpose of the study is to evaluate if strabismus can be successfully treated requiring less surgical interventions with a Botox-based treatment regimen compared to a purely surgery based treatment regimen.
- Trial name
- BISS (NCT03459092)
- Testing
- Botulinum toxin type A, Strabismus surgery
- Where
- 8 sites in France, Switzerland
- Volunteers
- 63 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Myopia, Esophoria
Bifocal Soft Contact Lenses and Their Effect on Myopia Progression in Children and Adolescents.
The purpose of this study is to determine whether bifocal soft contact lenses are effective in controlling the progression of myopia in children and adolescents that exhibit a tendency to excessively cross their eyes while…
- Conditions
- Myopia, Esophoria, Fixation Disparity
- Trial name
- NCT00214487
- Testing
- Bifocal Contact Lenses
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Aller, Thomas A., OD
Amblyopia, Strabismus
Binocular Treatment of Amblyopia Before and After Strabismus Surgery
The primary objective of this study is to assess the effectiveness of an investigational binocular treatment in improving vision in strabismic amblyopes (i.e., patients with lazy eye, or poor vision in one eye due to a present or…
- Trial name
- NCT01791946
- Testing
- Binocular Treatment
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Esotropia
A Randomized Trial of Botulinum Toxin A vs Strabismus Surgery for Esotropia >10 to ≤30PD
Childhood esotropia (ET) is a common cause of visual disability, and its early management is critical for optimal visual and developmental outcomes.
- Trial name
- ETS4 (NCT07470164)
- Testing
- Botulinum toxin A, bilateral medial rectus recession
- Volunteers
- 244 people
- Sponsor
- Jaeb Center for Health Research
Congenital Esotropia
An Observational Cohort Study to Explore the Clinical Outcome of Congenital Strabismmus Based on Etiology and Timing of Surgery
Through high-throughput sequencing and genotype/clinical phenotype/image phenotype analysis, this study will detect and find the clinical characteristics, genetic mode and gene diagnosis of children with congenital strabismus and…
- Trial name
- strabismus (NCT06614335)
- Testing
- After 6 months of observation, there was still a residual inclination of more than 15 prism degrees which needed to be corrected by a second operation
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Qiyu Bo
Cycloplegia, Refractive Errors
Cycloplegic Refraction in Pediatric Patients With Esotropia
The primary outcome of this study is to compare cyclopentolate 1% and tropicamide 1% for cycloplegic refractions in pediatric populations with esotropia.
- Conditions
- Cycloplegia, Refractive Errors, Esotropia, Vision Disorders
- Trial name
- NCT06077682
- Testing
- Cyclopentolate, Tropicamide
- Where
- 2 sites in Jordan, Qatar
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Islamic Hospital, Jordan