Clinical trials: Strabismus, open to volunteers
Esotropia
Botulinum Toxin Injection Versus Prism Treatment in Small-angle Acute Acquired Concomitant Esotropia
This is a single-center, prospective, randomized controlled trial evaluating type A botulinum toxin injection and prism therapy for the treatment of small-angle acute acquired concomitant esotropia.
- Trial name
- NCT06714877
- Testing
- prism treatment group, botulinum toxin group
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Eye & ENT Hospital of Fudan University
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
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
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
Strabismus Surgery
Refractive and Topographic Changes After Strabismus Surgery
Strabismus, characterized by a misalignment of the eyes, is a common condition that can result in functional and cosmetic issues, often affecting vision and binocular coordination.
- Trial name
- NCT06929130
- Volunteers
- 60 people
- Sponsor
- Assiut University
Strabismus
Balance in the Strabismic Patient Undergoing Strabismus Surgery
Strabismus is a clinical condition characterized by the failure of the visual axes of the two eyes to align on the stared object.
- Trial name
- BASS (NCT06733220)
- Testing
- Surgery for strabismus
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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
Myopia, Strabismus
Highly Aspherical Lenslet (HAL) and Binocular Vision (BV) Disorders [HALT X(T) Study]
Assess the effect and changes of eye misalignment (strabismus) with myopia control glasses Assess the efficacy of myopia control glasses on childhood myopia progression in children with strabismus due to the uncertainty…
- Trial name
- HALT XT (NCT06863675)
- Testing
- HAL lenses for children with strabismus, SVL for children with strabismus
- Where
- Singapore
- Volunteers
- 40 people
- Sponsor
- Singapore National Eye Centre
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
Postoperative Vomiting, Postoperative Nausea and Vomiting
Effect of Ketamine-Propofol Total Intravenous Anesthesia Versus Sevoflurane-Based Anesthesia on Postoperative Vomiting in Children Undergoing Strabismus Surgery
Pediatric strabismus surgery is frequently followed by postoperative nausea and vomiting, which can cause significant discomfort, dehydration, and delayed recovery in young children.
- Conditions
- Postoperative Vomiting, Postoperative Nausea and Vomiting, Strabismus
- Trial name
- NCT07871292
- Testing
- Ketamine and Propofol, Sevoflurane
- Volunteers
- 50 people
- Sponsor
- Assiut University
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
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
Large Angle Exotropia
True Muscle Transplantation Surgery Versus Augmented Semi Hang Back Recession in Large Angle Exotropia: Evaluation of Efficacy and Lateral Gaze Incomitance
This a randomized clinical trial comparing True muscle transplantation surgery versus Augmented Semi hang back recession for treatment of large angle exotropia
- Trial name
- NCT07784842
- Testing
- True Muscle Transplantation Surgery, Augmented Semi hang back Recession
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Hassnaa Mohamed Abdelhameed Ahmed
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
Congenital Fibrosis of Extraocular Muscles, Duane Retraction Syndrome
Genetic Studies of Strabismus, Congenital Cranial Dysinnervation Disorders (CCDDs), and Their Associated Anomalies
The purpose of this study is to identify genes associated with impaired development and function of the cranial nerves and brainstem, which may result in misalignment of the eyes (strabismus) and related conditions.
- Conditions
- Congenital Fibrosis of Extraocular Muscles, Duane Retraction Syndrome, Duane Radial Ray Syndrome, Mobius Syndrome
- Trial name
- NCT03059420
- Where
- United States
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
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
Exotropia Equal or More Than 50 Prism Diopter
A Comparative Study Between Three Surgical Techniques in Large Angle Exotropia
This is a randomized comparative interventional study that aims to compare the surgical outcomes of correcting large angle exotropia (≥50 prism diopter) by three different surgical techniques including: 1/ bilateral lateral…
- Trial name
- NCT07143032
- Testing
- Extropia squint surgery
- Volunteers
- 60 people
- Sponsor
- Sohag 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
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
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