Clinical trials: Strabismus
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
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
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
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
Amblyopia, Strabismus
Screening for 3-D Visual Disorders in Preschool Children
Visual screening is necessary among pre-school children as they found themselves in a critical period of visual developement. To date, there are no national vision screening program that has been implemented nationwide.
- Conditions
- Amblyopia, Strabismus, Anisometropia
- Trial name
- VISION (NCT05204069)
- Testing
- Instillation of cyclopentolate
- Where
- France
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Emergence Delirium, Anesthesia
Effect of Different Drugs on Emergency Delirium in Preschool Age Patient
Emergence delirium (ED) was first described by Eckenhoff and colleagues in the 1960s and is defined in pediatric anesthesia as 'dissociated state of consciousness in which child is irritable, uncompromising, uncooperative…
- Trial name
- NCT07057193
- Testing
- Dexmedetomidine group (D group), Ketamine group (K group), Midazolam group (M group)
- Where
- Egypt
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Zagazig University
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
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.
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
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
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
Amblyopia, Strabismus
Improving Quality Vision Outcomes in Managed Care Setting While Reducing Cost by Use of Accurate, Automated Screening
Amblyopia ("lazy eye") and strabismus (misaligned eyes) are medical eye conditions that combine as the leading causes of preventable vision loss in children.
- Trial name
- NCT02536963
- Testing
- Pediatric Vision Scanning device, Reference examination
- Where
- United States
- Volunteers
- 318 people, healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.
Strabismus, Exotropia
Validation of a Smartphone-based Intelligent Diagnosis and Measurement for Strabismus
The current measurement methods of strabismus include the corneal light reflection method, prism alternate covering, etc., which especially rely on the subjective experience of doctors, and there is a large error between…
- Conditions
- Strabismus, Exotropia, Esotropia, Vertical Strabismus
- Trial name
- NCT05615519
- Testing
- A new technology based on 3D reconstruction and deep learning algorithm to achieve an automatic diagnosis of strabismus based on patient-sourced videos of programmatic cover tests.
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
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
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
Intermittent Exotropia, Strabismus
The Analysis of Ocular Deviations Between Dominant and Non-dominant Eye Using Video-oculography (VOG) in Intermittent Exotropia
Fifteen subjects with intermittent exotropia were included. The subjects were asked to fixate on a black-on-white optotype at 1 m, which subtended a visual angle of 50 min of arc, equating to a Snellen optotype of 20/200.
- Trial name
- NCT03641040
- Testing
- Video-oculography, Alternative prism cover test
- Where
- South Korea
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Inje University
Amblyopia, Strabismus
Amblyopia and Strabismus Detection Using Retinal Birefringence Imaging
The purpose of this project is to compare the accuracy of two products at detecting amblyopia and strabismus in children. The devices will be Rebiscan's "blinq" (Pediatric Vision Scanner; PVS) and Rebiscan's RBI (Retinal…
- Trial name
- RBI (NCT03919708)
- Testing
- Retinal Birefringence Imager
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.
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
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
Deep Neuromuscular Blockade in Strabismus Surgery
The purpose of this study is to determine if inducing a moderate or greater neuromuscular block (TOF count 0-3) when performing a neuromuscular block in pediatric patients aged 3 to 18 years undergoing strabismus surgery under…
- Trial name
- NCT05882643
- Testing
- moderate to deep neuromuscular blockade, shallow to minimal neuromuscular blockade
- Where
- South Korea
- Volunteers
- 201 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital