Clinical trials: Strabismus
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
Squint
Lidocaine Gel 2% and Muscle Traction Pain During Squint Surgery in Pediatrics
Assessing the efficacy of lidocaine gel 2% application 10 minutes before surgery on post operative pain and the use of analgesics postoperatively
- Trial name
- NCT04859062
- Testing
- lidocaine gel 2%, control group
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Research Institute of Ophthalmology, Egypt
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
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
Strabismus, Tomography, Optical Coherence
Measurement of Insertion of Extraocular Muscles Using Anterior Segment Optical Coherence Tomography
Study designed to determine the ability and accuracy of anterior segment optical coherence tomography (AS-OCT) to measure the distance between the corneoscleral limbus and the insertion site of the extraocular muscles (EOM) in…
- Trial name
- NCT02454920
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University of Miami
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
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
The Effect of Povidone-iodine Ophthalmic Surgical Prep Solution on Respiration in Children Undergoing Strabismus Surgery With General Anesthesia.
Determine whether the application of povidone-iodine ophthalmic solution onto the ocular surface causes a change in respiration in children undergoing strabismus surgery with general anesthesia.
- Trial name
- NCT03349515
- Testing
- Provodine-Iodine Solution, Group B will receive three drops in each eye of ophthalmic balanced salt solution.
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
1mg Vs 3 mg of Granisetron
A COMPARATIVE STUDY BETWEEN 1MG AND 3 MG OF GRANISETRON IN THE PREVENTION OF POSTOPERATIVE NAUSEA AND VOMITING IN STRABISMUS OPHTHALMIC SURGERIES DURING GENERAL ANESTHESIA
Investigators aim to determine the optimal dose of granisetron in strabismus ophthalmic surgeries under general anesthesia to prevent postoperative nausea and vomiting
- Trial name
- NCT04918862
- Testing
- Granisetron
- Where
- Egypt
- Volunteers
- 210 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
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
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
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
Amblyopia ex Strabismus, Amblyopia ex Anisometropia
Neurovascular Coupling in Subjects With Amblyopia
Amblyopia is a developmental condition that is characterized by reduced vision of the eye due to the presence of a sensory impediment during visual development, such as strabismus (ocular misalignment) or anisometropia (unequal…
- Trial name
- NCT01746693
- Testing
- Dynamic Vessel Analyzer, Laser Doppler Velocimetry, 7-Tesla MRI
- Where
- Austria
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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
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
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
- NCT01726842
- Testing
- Pediatric Vision Scanner
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Rebiscan, Inc.
Healthy, Strabismus
Development of the Eye Motor System During the First 7 Months of Life in Infants With and Without a Family History of Cross-Eye
Little is known about the development of the ocular, or eye, motor system (the parts of the brain that control how the eyes move) in children.
- Trial name
- NCT00001143
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
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