Clinical trials: Strabismus
Strabismus
Bilateral Recession or Unilateral Recession-Resection as Surgery for Infantile Esotropia
Infantile esotropia is corrected in most cases by bilateral recession of the medial rectus muscles (BR) or by unilateral recession of the medial rectus muscle and resection of the lateral rectus muscle (RR).
- Trial name
- NCT00304577
- Testing
- Bilateral recession, Unilateral recession and resection
- Where
- 12 sites in Germany, Netherlands
- Volunteers
- healthy volunteers welcome
- Sponsor
- Erasmus Medical Center
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
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
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
Exotropia or Intermittent Exotropia
Protective Effect of Biodegradable Collagen Implant (Ologen) in Scleral Thinning After Strabismus Surgery
This study is to investigate protective effect of biodegradable collagen implant in scleral showing after lateral rectus recession in patients with exotropia.
- Trial name
- NCT02699580
- Testing
- lateral rectus recession with biodegradable collagen implant, Lateral rectus recession without biodegradable collagen implantation
- Where
- South Korea
- Volunteers
- 20 people
- Sponsor
- Yonsei University
Emergence Delirium, Strabismus
Methadone for Emergence Delirium in Children Undergoing Outpatient Strabismus Surgery
Strabismus surgery for children is a very common procedure, with a high incidence of emergence delirium in the recovery room. Pain is often implicated in delirium.
- Trial name
- NCT03778372
- Testing
- Methadone
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Ochsner Health System
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
Coordination Impairment
Physical Activity on Eye Hand Coordination Post Strabismus Surgery
The aim of this study is to determine the effect of physical activity on eye hand coordination in patient with amblyopia after strabismus surgery.
- Trial name
- NCT06759792
- Testing
- eye hand coordination exercises
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Amany Refaat Mohamed Abdel Wahid
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
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
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
Exotropia
Bilateral Lateral Rectus Recession Versus Unilateral Recess-Resect for Intermittent Exotropia
The purpose of this study is to evaluate the effectiveness of bilateral lateral rectus muscle recession versus unilateral lateral rectus recession with medial rectus resection procedures for the treatment of basic type and pseudo…
- Trial name
- IXT1 (NCT01032603)
- Testing
- Bilateral lateral rectus recession (BLRc), Unilateral lateral rectus recession with medial rectus resection (R&R)
- Where
- United States
- Volunteers
- 197 people
- Sponsor
- Jaeb Center for Health Research
Strabismus
The Effect of Vision Therapy/Orthoptic on Motor & Sensory Status of the 3 to 7 Years Old Strabismic Patients
Vision therapy (VTO) is a group of non-surgical treatment helping patients in 3 subjects;1)increasing the the visual acuity 2)improving the mechanical skills resulting in increasing the power of extraocular muscles,biocular…
- Trial name
- NCT00917982
- Testing
- vision therapy
- Where
- Iran
- Sponsor
- Shahid Beheshti University of Medical Sciences
Anxiety, Strabismus
Does Anxiety in Children on the Day of Surgery Impact Compliance in the Ophthalmology Clinic?
The hypothesis is that pediatric patients with increased levels of anxiety on the day of surgery, in particular at point of anesthetic induction, will demonstrate decreased compliance with assessment in ophthalmology clinic…
- Conditions
- Anxiety, Strabismus, Compliance
- Trial name
- NCT02704442
- Where
- Canada
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Queen's University
Dexmedetomidine, Emergence Agitation
Effect of Intranasal Dexmedetomidine on the Incidence of Emergence Agitation in Children Undergoing Strabismus Surgery
Dexmedetomidine is a selective a-2 adrenergic agonist that provides sedative and analgesic effects. Intranasal dexmedetomidine has a slower and gradual onset compared to intravenous injection , with low incidence of nasal…
- Trial name
- NCT07523438
- Testing
- high dex group, low dex group
- Where
- Egypt
- Volunteers
- 150 people
- Sponsor
- Alexandria University
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, Strabismus Surgery
Parents' Experiences of Administration Eye Drops
This study aimed to determine the experiences of parents of children aged 2-6 years who underwent strabismus surgery in eye drop administration and the cooperation of their children.
- Trial name
- NCT07189273
- Where
- Turkey (Türkiye)
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Uludag University
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
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
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