Clinical trials: Strabismus
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
Refractive Errors, Amblyopia
Performance of 2WIN Photoscreener With Corneal Reflex Compared to School Bus Retinoscopy by AAPOS Guidelines
Pediatric eye patients receive infrared photoscreener screening and skiascopy as a part of routine examination to compare ability to detect amblyopia risk factors.
- Conditions
- Refractive Errors, Amblyopia, Strabismus, Development Delay
- Trial name
- 2WINbus (NCT03668067)
- Testing
- 2WIN photoscreener
- Where
- United States
- Volunteers
- 471 people
- Sponsor
- Alaska Blind Child Discovery
Strabismus
Virtual Reality Test of Strabismus
Strabismus, or squint, describes any misalignment of the eyes, and can affect both children and adults. As a result, the images of the outside world conveyed to the brain from the two eyes do not correspond, which can result in…
- Trial name
- NCT04156763
- Where
- United Kingdom
- Volunteers
- 19 people
- Sponsor
- Julie Dawson
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.
Squint
Intravenous Versus Peribulbar Dexmedetomidine for Strabismus Surgery in Adults
Using various adjuvants has become a trend in regional anesthesia practice to improve the quality of anesthesia and prolong postoperative analgesia.
- Trial name
- NCT05215158
- Testing
- Dexmedetomidine
- Where
- 2 sites in Egypt
- Volunteers
- 46 people
- Sponsor
- Aswan University Hospital
Strabismus, Comitant
Single Minimal Conjunctival Incision for Strabismus
The purpose of this investigation is to study the feasibility and inflammatory response of surgery for rectus muscles using a small single bulbar conjunctival incision posterior and parallel to the muscle insertion.
- Trial name
- NCT05987878
- Testing
- single minimal conjunctival incision
- Where
- Spain
- Volunteers
- 25 people
- Sponsor
- Universidad Autonoma de Madrid
Dissociated Vertical Deviation, Inferior Oblique Overaction
Inferior Oblique Muscle Anteriorization Versus Anteriorization and Resection in DVD With IOOA
The goal of this clinical trial is to compare the results of two surgical modalities in patients with Dissociated vertical deviation with inferior oblique muscle overaction .
- Trial name
- NCT05980962
- Testing
- Inferior oblique anteriorization, Inferior oblique anteriorization together with unliateral resction
- Where
- Egypt
- Volunteers
- 54 people
- Sponsor
- Kasr El Aini Hospital
Convergence Insufficiency, Divergence Insufficiency
A Prospective Observational Study of Adult Strabismus
The purpose of this study is to describe clinical characteristics, treatments, and one-year outcomes of adults with convergence insufficiency, divergence insufficiency, or small angle hypertropia.
- Conditions
- Convergence Insufficiency, Divergence Insufficiency, Hypertropia
- Trial name
- SAS1 (NCT02510040)
- Testing
- Prism, Orthoptic Exercises, Eye Muscle Surgery
- Where
- United States
- Volunteers
- 217 people
- Sponsor
- Jaeb Center for Health Research
Amblyopia, Strabismus
New Pediatric Patching Method to Improve Compliance
This project will assess whether there is a significant difference in compliance with patching in amblyopic patients whose parents are instructed to pinch the superior and inferior edges of the patch before applying (in order to…
- Trial name
- NCT02236351
- Testing
- Pinch Patch/ flat Patch
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Baylor College of Medicine
Children With Torticollis
Tilted Gaze Target Test in the Examination of Children With Superior Oblique Muscle Palsy
This study is a prospective, randomized, double-blind cohort study aimed at assessing the accuracy of the preoperative tilted gaze target test in predicting the degree of improvement in compensatory head position after surgery in…
- Trial name
- NCT05882552
- Testing
- Tilted Gaze Target Tast, Conventional Examination Methods
- Volunteers
- 80 people
- Sponsor
- Tianjin Eye Hospital
Strabismus, Comitant
Extraocular Muscle Stretching as a Weakening Procedure
Interventional case series. Non-operated patients with an indication of medial rectus muscle weakening surgery (deviation up to 20 PD) who could cooperate with topical or sub-Tenon's anesthesia.
- Trial name
- EOMS (NCT05778565)
- Testing
- Extraocular muscle stretching
- Where
- Spain
- Volunteers
- 7 people
- Sponsor
- Universidad Autonoma de Madrid
Strabismus, Noncomitant
Muscle Transplantation in Strabismus Surgery
All the patients underwent standard muscle transplantation, where the resected extra stump of lateral or medial rectus muscle was transplanted to the medial or lateral rectus muscle using 6-0 prolene which wasrecessed by a…
- Trial name
- NCT05827393
- Testing
- muscle transplantation
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- South Valley University
V Pattern Esotropia, Monocular Exotropia With V Pattern
Correction of V-pattern Strabismus by Graded Recession of Inferior Oblique Muscle .
V pattern strabismus is the commonest of alphabet pattern. Its identification is essential to plan a proper surgical management. Graded recession is a very logical approach to treat inferior oblique overaction (IOOA).
- Trial name
- Pattern (NCT05786053)
- Testing
- graded recession of inferior oblique muscle
- Where
- 2 sites in Egypt
- Volunteers
- 40 people
- Sponsor
- Tanta University
Strabismus
Exercise Interventions for Improving Eye Control Post Strabismus Surgery
The purpose of this study will be focused on the following issue: 1. The aim of this study is to determine therapeutic effect of postoperative eye exercises on improving eye control after the strabismus surgery.
- Trial name
- NCT05303779
- Testing
- Exercise Interventions of Eye Muscles, Medication and eye glasses
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Cairo University
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
Strabismus
Reliability and Reproducibility of Automated Angular Measurement in Strabismus
Angular measurement of deviation is an essential element in the clinical evaluation of strabic patients. It is performed by orthoptic methods.
- Trial name
- FREGMA (NCT03596138)
- Testing
- Evaluate the reliability and reproductibility of the automated angular measurement by the Gazelab
- Where
- France
- Volunteers
- 73 people
- Sponsor
- Nantes University Hospital
Exophoria
Cervical Manipulation (OAA Technique) in Exophories
Objetive: to assess the efficacy of the occipito-atlas-axis cervical manipulation technique to correct ocular divergence in subjects with exophoria. Design: quantitative, experimental, longitudinal and prospective study.
- Trial name
- NCT04901533
- Testing
- O-A-A, cranial listening
- Where
- Spain
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of Seville
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
Hypertropia, Inferior Oblique Overaction
IOBT Versus IO-Rec for Hypertropia With IOOA (IIHIOOA)
This is a multi-center, randomized double-blind controlled trial to compare the effectiveness of IOBT with IO-Rec for the treatment of hypertropia with IOOA.
- Trial name
- NCT05415553
- Testing
- IOBT, IO-Rec
- Where
- China
- Volunteers
- 190 people
- Sponsor
- Eye & ENT Hospital of Fudan 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