Clinical trials: Strabismus
Strabismus
Strabismus Measurements Using Automated 3D Video Oculography
Measuring ocular motility and alignment is important for diagnosing different causes of strabismus, following patients recovering from cranial nerve palsies, preparing patients for strabismus surgery and follow-up post surgery.
- Trial name
- NCT02228070
- Testing
- strabismus video goggles
- Where
- Switzerland
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Strabismus
Assessing the Functional and Psychosocial Impact of Strabismus in Asian Children Using the AS-20 and IXTQ Questionnaires
Studies suggest that strabismus has a negative impact on a person's self-image, interpersonal relationships, emotional and psychosocial state (4-15).
- Trial name
- NCT01608828
- Where
- Singapore
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Strabismus
Mobile Medical Application for Cost-effective Strabismus Screening
Develop and evaluate a new smartphone based app to screen for and measure eye misalignment (strabismus). The investigators will validate the app against simulated strabismus of known magnitude and common clinical tests.
- Trial name
- NCT03450980
- Where
- United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
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
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
Strabismus, Esotropia
Strabismus Surgery and Driving Ability
The strabismus impacts binocular visual acuity and stereoscopy. Thus, driving capacities of patients with strabismus may be reduced.
- Conditions
- Strabismus, Esotropia, Exotropia
- Trial name
- NCT02570555
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Emergence Delirium
Ketofol Versus Dexmedetomidine for Prevention of Emergence Delirium in Pediatric Patients Undergoing Squint Surgeries
The aim of the study is to compare the effectiveness of ketofol for the prevention of emergence delirium in pediatric patients undergoing squint surgery, in comparison to dexmedetomidine.
- Trial name
- NCT06545890
- Testing
- Ketamine, Dexmedetomidine
- Where
- 2 sites in Egypt
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Cairo University
Strabismus
Effect of Neuromuscular Blockade on the Oculomotor by Not Squinting Child
Strabismus is a common condition (4-6% of the population) . The screening and treatment is a public health issue. Indeed, beyond the disfigurement, this disease is very supplier of amblyopia which is definitive if it is not…
- Trial name
- STRABO (NCT02360969)
- Testing
- Examination of the eye
- Where
- 2 sites in France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Strabismus, Exotropia
A Novel Diagnostic Method for Exotropia Using Video-oculography
Thirty-four subjects with constant exotropia were included. Two independent ophthalmologists measured the angle of ocular deviation using alternate prism cover test (APCT).
- Trial name
- NCT03119311
- Testing
- Video-oculography, APCT
- Where
- South Korea
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Inje University
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
Strabismus, Amblyopia
Exercise Interventions of Eye Muscles Post Strabismus Surgery
It will be hypothesized that: Eye exercises have a positive effect on correction of remaining ocular deviation post strabismus surgery. Eye exercises have a positive effect on improving amplyobia.
- Trial name
- NCT04303832
- Testing
- eye exercises, eye glasses
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
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
Postoperative Delirium, Strabismus
Does Preoperative Sleep Quality Affect the Postoperative Emergence Delirium in Children Undergoing Strabismus Surgery
Sleep is important in maintaining the physiological function of the human body. Recently several studies have reported that preoperative sleep quality is associated with postoperative emergence delirium (ED) The ED is a common in…
- Conditions
- Postoperative Delirium, Strabismus, Sleep Disorder
- Trial name
- NCT03332407
- Where
- South Korea
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Pusan National University Hospital
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
Emergence Delirium, Strabismus
KETODEX for Emergence Delirium in Children Undergoing Outpatient Strabismus Surgery
Strabismus surgery for children is a very common procedure, with a high incidence of emergence delerium in the recovery room. A combination of intravenous ketamine/dexmedetomidine, or ketodex, has been previously shown to reduce…
- Trial name
- NCT03779282
- Testing
- Dexmedetomidine
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Ochsner Health System
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
Anesthesia, Local, Ophthalmopathy
Comparison Between Peribulbar And Sub-tenon Blocks on Oculocardiac Reflex (OCR) During Pediatric Strabismus Surgery
The aim of this study is to compare between peribulbar block and subtenon block as an adjunct to general anesthesia in children undergoing strabismus surgery on oculocardiac reflex (OCR), post-operative analgesia and…
- Conditions
- Anesthesia, Local, Ophthalmopathy, Strabismus, Pediatric ALL
- Trial name
- NCT06293586
- Testing
- peribulbar block, sub-tenon block, Paracetamol
- Where
- Egypt
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Cairo University
Child, Anesthesia Morbidity
Propofol for Treatment on Emergence Agitation
This study aimed to verify the effects of propofol for treatment on emergence agitation (EA) after sevoflurane anesthesia in pediatric strabismus surgery.
- Trial name
- NCT02738814
- Testing
- propofol
- Where
- South Korea
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Korea University Anam Hospital
Anesthesia, Local
Subconjunctival Bupivacaine in Strabismus Surgery
This study aimed to assess the effectiveness of the Subconjunctival bupivacaine on postoperative pain in Strabismus surgery under general anaesthesia.
- Trial name
- NCT04782960
- Testing
- Iocal anaesthetic bupivacaine
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Fayoum 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