Clinical trials: Strabismus
Vision Disorders, Strabismus
Vision in Children Born to Opioid-dependent Methadone-maintained Mothers
The investigators will re-investigate 150 children studied extensively in the past. 100 of these children were born to mothers prescribed methadone during their pregnancy because of opiate dependency, and 50 were comparison…
- Conditions
- Vision Disorders, Strabismus, Nystagmus, Binocular Vision Disorder
- Trial name
- VINCH (NCT03603301)
- Where
- United Kingdom
- Volunteers
- 200 people
- Sponsor
- NHS Greater Glasgow and Clyde
Acute Acquired Comitant Esotropia
Efficacy of Botulinum Toxin Type A for Acute Acquired Comitant Esotropia: An Age-Stratified Two-Year Follow-Up Study
The goal of this clinical trial is to assess and compare the efficacy of two-year follow-up botulinum toxin type A （BTXA) in the treatment of acute acquired comitant esotropia (AACE) across five age groups: ≤6 years, >6 to ≤12…
- Trial name
- NCT06966999
- Testing
- Botulinum Toxin Type A Injection [Botox]
- Where
- China
- Volunteers
- 276 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Macular Holes, Epiretinal Membrane
Intraoperative OCT Guidance of Intraocular Surgery II
The overall five-year goals of the project are to develop novel technology to provide actionable new information through provision of live volumetric imaging during surgery, improving surgical practice and outcomes.
- Conditions
- Macular Holes, Epiretinal Membrane, Diabetic Retinopathy, Retinal Detachment
- Trial name
- MIOCT (NCT03713268)
- Testing
- Microscope integrated optical coherence tomography
- Where
- United States
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Duke University
Bradycardia, Strabismus
Oculocardiac Reflex Brain Wave Monitor
Oculocardiac reflex during routine strabismus surgery was prospectively observed in association with routine brain wave monitoring.
- Trial name
- OCRBIS (NCT03663413)
- Testing
- non-invasive monitor
- Volunteers
- 188 people
- Sponsor
- Alaska Blind Child Discovery
Exotropia
Intermittent Exotropia in Egyptian Population
Strabismus is one of the most frequent ocular problems among developmentally normal children. The prevalence of strabismus varies among different regions, ranging from 0.06% in Japan to 5.65% in China.
- Trial name
- NCT06312865
- Testing
- Ophthalmic exam
- Volunteers
- 600 people
- Sponsor
- Assiut University
Amblyopia, Strabismus
VISION-3D: Visual Skills Improvement With On-screen 3D Movies.
This clinical study investigates whether watching 3D films can help improve the vision of children with residual amblyopia (lazy eye), that is, those children who, despite having undergone usual treatments such as glasses or…
- Trial name
- VISION3D (NCT07301645)
- Testing
- Stereoscopic (3D) Movie Viewing, 2D Movie Viewing
- Volunteers
- 40 people
- Sponsor
- Universitat Politècnica de Catalunya
Bradycardia, Strabismus
The Alaska Oculocardiac Reflex Study
Observation study monitoring vital signs and anesthetic variables particularly heart rate during prospective, ocular manipulation and specifically uniform tension on extra ocular muscles during strabismus surgery.
- Trial name
- AK-OCR (NCT04353960)
- Testing
- electrocardiograph
- Where
- United States
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Educational Problems
The Flipped Classroom Approach in Ophthalmology Residency
This study aims to evaluate the flipped classroom approach compared to the traditional classroom approach in teaching horizontal strabismus in ophthalmology residency didactics.
- Trial name
- NCT04381676
- Testing
- Flipped Classroom Approach
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- University of Washington
Surgical Procedure, Unspecified, Ocular Discomfort
Lateral Rectus Muscle Tendon Elongation
To evaluate a technique using resected medial rectus muscle transplantation for elongation of Lateral rectus tendon as a monocular surgery for large angle sensory exotropia.
- Conditions
- Surgical Procedure, Unspecified, Ocular Discomfort, Strabismus, Divergent
- Trial name
- NCT04286945
- Testing
- LATERAL RECTUS MUSCLE AUGMENTED RECESSION BY ELONGATION OF THE TENDON WITH AUTOGRAFT FROM RESECTED MEDIAL RECTUS MUSCLE
- Volunteers
- 16 people
- Sponsor
- Tanta University
PONV
Penehyclidine for PONV Prophylaxis After Strabismus Surgery
Patients scheduled for elective strabismus surgery under general anesthesia in the First Affiliated Hospital of Nanjing Medical University will be included in this study.
- Trial name
- NCT04054479
- Testing
- Penehyclidine, normal saline
- Where
- China
- Volunteers
- 228 people
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Strabismus
Bilateral and Unilateral Horizontal Strabismus Surgery
This study was done in alternating strabismus patients to compare symmetrical muscle surgery and asymmetrical one as regard efficacy and lateral incomitance after surgery
- Trial name
- NCT04199286
- Testing
- symmetrical and asymmetrical horizontal strabismus surgery
- Where
- 2 sites in Egypt
- Volunteers
- 40 people
- Sponsor
- Minia University
Exotropia
Surgery for Large Angle Exotropia Two Muscles Versus Three Muscles
Comparison Between The Results Of Two Muscles Surgery And Three Muscles Surgery For The Treatment Of Large Angle Exotropia
- Trial name
- XT (NCT05643456)
- Testing
- surgery
- Where
- Egypt
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Cairo University
Ametropia, Myopia; Refractive Error
The Objective of This Study is to Evaluate the Perfomance of a Photorefraction Device for Screening Ametropia in Children. Eligible Participants Will Undergo Multiple Refractive Error Measurements, Visual Acuity and Strabismus Assessments During a Single Evaluation Visit.
The goal of this clinical trial is to evaluate the performance of a photorefraction screener in terms of sensibility, sensitivity and accuracy on children aged 3 to 8 y.o.
- Conditions
- Ametropia, Myopia; Refractive Error, Myopia; Astigmatism
- Trial name
- NCT06882408
- Testing
- Photorefraction device under investigation, Comparator device, Tabletop auto-refractometer, Comparator device, portable photorefraction device
- Where
- 2 sites in France
- Volunteers
- 315 people, healthy volunteers welcome
- Sponsor
- Essilor International
Strabismus
Symmetrical Versus Asymmetrical Surgery for Asymmetrical Inferior Oblique Overaction
Overaction of the inferior oblique (IO) muscle is a commonly observed component of childhood strabismus, and is often seen combined with other ocular deviations.
- Trial name
- NCT03507712
- Testing
- Symmetrical IO weakening, Asymmetrical IO weakening
- Where
- Oman
- Volunteers
- 28 people
- Sponsor
- Sultan Qaboos University
Children With Torticollis
Tilted Gaze Target Test in the Examination of Children With Superior Oblique Muscle Palsy
This study is a prospective, randomized, double-blind cohort study aimed at assessing the accuracy of the preoperative tilted gaze target test in predicting the degree of improvement in compensatory head position after surgery in…
- Trial name
- NCT05882552
- Testing
- Tilted Gaze Target Tast, Conventional Examination Methods
- Volunteers
- 80 people
- Sponsor
- Tianjin Eye Hospital
Amblyopia, Strabismus
Amblyopia and Strabismus Detection Using a Pediatric Vision Scanner
The purpose of this project is to compare the performance of the Pediatric Vision Scanner (PVS) with the Gold Standard Examination to determine the effectiveness of the PVS at detecting amblyopia and strabismus.
- Trial name
- NCT01832883
- Testing
- Pediatric Vision Scanner
- Where
- United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.
Strabismus
Exercise Interventions for Improving Eye Control Post Strabismus Surgery
The purpose of this study will be focused on the following issue: 1. The aim of this study is to determine therapeutic effect of postoperative eye exercises on improving eye control after the strabismus surgery.
- Trial name
- NCT05303779
- Testing
- Exercise Interventions of Eye Muscles, Medication and eye glasses
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Cairo University
Amblyopia, Strabismus
Validation of a Questionnaire Assessing Quality of Life in Children With Amblyopia and Strabismus
The validation of a French questionnaire is very important to assess rigorously and objectively the impact of the treatments of strabismus and amblyopia on children quality of life.
- Trial name
- ASTEQ (NCT02880488)
- Where
- France
- Volunteers
- 294 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Eye Abnormalities, Arrythmia
Relation Between Oculocardiac Reflex and Laryngospasm
The aim of this study is to evaluate whether there is a significant relation between various arrhythmias during the surgeon's stretching the eye muscles and laryngospasm and emergence agitation in strabismus surgeries
- Trial name
- NCT05339880
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- TC Erciyes University
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)