Clinical trials: Strabismus, open to volunteers
Strabismus, Esotropia
Risk Factors And Surgical Outcomes Of Strabismus Reoperation
Horizontal strabismus, commonly known as inward or outward deviation of the eyes, is a frequent eye condition that may require surgical correction.
- Conditions
- Strabismus, Esotropia, Exotropia
- Trial name
- RSOR (NCT07446621)
- Testing
- Horizontal Strabismus Reoperation
- Where
- Egypt
- Volunteers
- 62 people
- Sponsor
- Assiut University
Craniosynostosis, Strabismus
Ocular Characteristics in Patients With Craniosynostosis
Craniosynostosis are cranial deformations due to the premature closure of one or more cranial sutures. These deformations affect approximately one in 2.500 births.
- Conditions
- Craniosynostosis, Strabismus, Intracranial Hypertension, Amblyopia
- Trial name
- COPACA (NCT06928727)
- Where
- France
- Volunteers
- 65 people
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Strabismus
Medial Rectus Tendon Width and Surgical Dose Response in Commitant Esotropic Patients
This study aims to investigate the clinical correlation between medial rectus tendon width and surgical dose response in esotropic patients undergoing medical rectus recession
- Trial name
- NCT07152964
- Testing
- Caliper
- Volunteers
- 28 people
- Sponsor
- Assiut University
Amblyopia, Strabismus
Visual Function Abnormalities in Strabismus and Amblyopia and Response to Therapy
Amblyopia and strabismus are characterized by a reduction in visual acuity, contrast sensitivity, grating acuity, vernier acuity, reading difficulties and binocular visual function deficits.
- Trial name
- NCT04310241
- Testing
- Patching therapy, Glasses
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- The Cleveland Clinic
Dissociated Vertical Deviation
Comparative Study Of Combined Recession-Resection And Fenestration of Superior Rectus Muscle for Treatment of Dissociated Vertical Deviation
Dissociated vertical deviation (DVD) is a slow, disconjugate upward drift of the non-fixating eye, usually with abduction and excyclotorsion, that does not obey Hering's law .
- Trial name
- NCT07883681
- Testing
- resection of superior rectus muscle
- Volunteers
- 30 people
- Sponsor
- Assiut University
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
Amblyopia, Strabismus
Attention-based Binocular Training for Impaired Stereopsis (BRAVE)
This study evaluates a novel attention-based binocular visual search training paradigm designed to improve stereopsis (stereo vision) in individuals with impaired binocular vision.
- Conditions
- Amblyopia, Strabismus, Anisometropia, Binocular Vision Abnormalities
- Trial name
- BRAVE (NCT07803458)
- Testing
- Attention-Guided Dichoptic Visual Search Training, Zero-Disparity Dichoptic Visual Search Task
- Where
- 2 sites in Hong Kong
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Centre for Eye and Vision Research
Myopia, Strabismus
Evaluation of a County-Based Eye Health Service Model in Rural Chinese Children
This project proposes to conduct a prospective, multicenter registry study in rural China to evaluate, under real-world conditions, the implementation effectiveness of an integrated child eye health service model centered at the…
- Conditions
- Myopia, Strabismus, Eye Health
- Trial name
- NCT07547748
- Testing
- School-based Eye Health Screening
- Where
- China
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
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
Exotropia
Comparative Study of Muscle Transplantation Versus Y Splitting Recession Technique in Treatment of Large Angle Exotropia
This study is designed to correct large-angle exotropia by monocular surgery. It compares two augmented recession techniques, which are recession with muscle transplantation and recession with Y splitting.
- Trial name
- NCT07350330
- Testing
- muscle transplantation, Y splitting
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Ain Shams University
Ocular Motility Disorders, Strabismus
Clinical Validation of AI-Based Quantitative Eye Movement Analysis From Smartphone 9-Gaze Videos (Glandy EOM)
This prospective, multicenter, multinational observational study evaluates the clinical validity of an AI-based quantitative eye movement analysis system (Glandy EOM) that analyzes smartphone-recorded 9-gaze videos.
- Conditions
- Ocular Motility Disorders, Strabismus, Extraocular Muscle Dysfunction, Thyroid Eye Disease
- Trial name
- GLANDY-EOM-VAL (NCT07623837)
- Testing
- Glandy EOM (AI-based quantitative eye movement analysis software)
- Where
- United States
- Volunteers
- 1,000 people
- Sponsor
- THYROSCOPE INC.
Squint Anaesthesia
Comparative Study Between Using Combined Propofol Sedation With subTenon's Infusion as Local Anaesthsia to the Eye Versus General Anesthesia for Strabismus Surgery in Adults
in this study investigators compare two type of anesthetic technique for squint surgery in adult patient first is general anesthesia versus local anesthesia using subtenon injection of local anesthetic.
- Trial name
- squint anaesth (NCT07504354)
- Testing
- sedation with subtenon injection of local anesthetic, General Anesthesia (control group)
- Volunteers
- 60 people
- Sponsor
- Sohag University
Exotropia, Exophoria
A-eyedrops on Ocular Alignment and Binocular Vision
Atropine is a non-selective muscarinic acetylcholine (M) receptor antagonist that paralyzes the ciliary muscle, dilates the pupil, and reduces the power of accommodation.
- Conditions
- Exotropia, Exophoria, Myopia
- Trial name
- NCT05379855
- Testing
- 0.01% atropine eye drops, 0.05% atropine eye drops
- Where
- China
- Volunteers
- 339 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Volleyball Player
Eye-Hand Cross-Dominance and Upper Extremity Performance in Volleyball Players
Eye and hand dominance may influence visuomotor coordination, motor control, and upper extremity performance in athletes. Crossed eye-hand dominance occurs when the dominant eye and dominant hand are located on opposite sides of…
- Trial name
- NCT07784530
- Testing
- Volleyball Players With Crossed Eye-Hand Dominance, Volleyball Players Without Crossed Eye-Hand Dominance
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Istinye University
Strabismus Surgery
Efficacy of Oxalidine and Sufentanil in Strabismus Correction
The purpose of this study is to compare the anesthetic effect of oxalidine and sufentanil in strabismus surgery through a non inferiority test, including analgesic efficacy, intraoperative hemodynamic stability, postoperative…
- Trial name
- strabismus (NCT07112157)
- Testing
- Oliceridine, Sulfentanil
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- Henan Provincial People's Hospital
Strabismus
Japanese Strabismus Outcomes Assessment and Research Group Study
This retrospective study constructs the largest multicenter registry of strabismus care in Japan. The registry evaluates real-world surgical and conservative treatment outcomes, safety, and natural history for various types of…
- Trial name
- J-SOAR (NCT07763457)
- Testing
- Strabismus Surgery, Conservative Treatment or Observation
- Where
- Japan
- Volunteers
- 10,000 people
- Sponsor
- Kyoto University, Graduate School of Medicine
Exercise Training, Intermittent Exotropia
Exercise Training on a Mirror for Intermittent Exotropia Control Post Strabismus Surgery
The study aims to explore the impact of mirror therapy on exodeviation control, near and far strabismus angles, and quality of life in intermittent exotropia control post strabismus surgery, as well as its effects on near and far…
- Conditions
- Exercise Training, Intermittent Exotropia, Strabismus
- Trial name
- NCT06762067
- Testing
- mirror therapy, traditional therapy
- Volunteers
- 40 people
- Sponsor
- Cairo University
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
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
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