Clinical trials: Ophthalmic Surgery
Glaucoma
Study of PGA Suture in Ophthalmology
To evaluate the safety and efficacy of polyglycolic acid suture in ophthalmic surgical procedures
- Trial name
- NCT00351429
- Testing
- Polyglycolic acid suture
- Where
- India
- Volunteers
- 50 people
- Sponsor
- Aurolab
Cataract
Anterior Capsule Polishing Effect on Effective Lens Position
The purpose of this study is to evaluate effects of anterior capsule polishing on effective lens position (ELP) and actual axial movement of the intraocular lens (IOL) by measuring anterior chamber depth (ACD) patients with…
- Trial name
- NCT01598428
- Testing
- anterior capsule polishing
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Shandong University
Strabismus, Esotropia
Risk Factors And Surgical Outcomes Of Strabismus Reoperation
Horizontal strabismus, commonly known as inward or outward deviation of the eyes, is a frequent eye condition that may require surgical correction.
- Conditions
- Strabismus, Esotropia, Exotropia
- Trial name
- RSOR (NCT07446621)
- Testing
- Horizontal Strabismus Reoperation
- Where
- Egypt
- Volunteers
- 62 people
- Sponsor
- Assiut University
Glaucoma, Congenital Cataract
Glaucoma After Congenital Cataract Surgery
To determine the incidence of glaucoma following bilateral congenital cataract removal and estimate the associated risk factors in a large cohort to provide guidance for clinical practice.
- Trial name
- NCT04342052
- Where
- China
- Volunteers
- 351 people
- Sponsor
- Sun Yat-sen University
Congenital Glaucoma
Non-penetrating Deep Sclerectomy Versus Trabeculotomy- Trabeculectomy Operation in Treatment of Primary Congenital Glaucoma
The high success rate of the non-penetrating deep sclerectomy (NPDS) procedure in adult glaucomatous patients motivated some glaucoma specialists to try it as an alternative procedure in childhood PCG.
- Trial name
- NCT06189326
- Testing
- non-penetrating deep sclerectomy, primary combined trabeculotomy-trabeculectomy
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Al-Azhar University
Retinoblastoma, Retinal Neoplasms
Chemotherapy Treatment for Children With Intraocular Germ-Line Retinoblastoma
Retinoblastoma is an unusual cancer of early childhood involving tumor is both eyes or, in certain circumstances, one eye only. This condition is the result of an abnormal gene which makes both retinas (the back of the eye)…
- Trial name
- NCT00179920
- Testing
- Carboplatin, VP-16, Local Surgery
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Ann & Robert H Lurie Children's Hospital of Chicago
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
Macular Holes, Epiretinal Membrane
Multimodal Imaging in Vitreo-retinal Surgery and Macular Dystrophies
The aim of the study is to identify morphological and functional biomarkers of post-operative recovery after vitreoretinal surgery, using decisional support systems (DSS), based on multimodal big-data analysis by means of machine…
- Conditions
- Macular Holes, Epiretinal Membrane, Retinal Detachment, Macular Dystrophies
- Trial name
- MICAI (NCT05747144)
- Testing
- Biometry, Retinography (Color) + Autofluorescence (AF), OCT B-scan and OCT angiography (OCTA)
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Intraocular Lens Dislocation
Late In-the-bag intraOcular Lens dislocatioN Surgery
Overall aim of the study is to compare the safety and efficacy of two different surgical methods to treat Late In-the-bag intraocular lens dislocation.
- Trial name
- LION (NCT03276104)
- Testing
- IOL repositioning, IOL exchange
- Where
- Norway
- Volunteers
- 50 people
- Sponsor
- Oslo University Hospital
Pediatric Cataract
The Cohort Study of Pediatric Cataract
This retrospective-prospective bidirectional cohort study aims to observe ocular parameter changes, different surgical/vision recovery strategies and postoperative adverse effects among young children with cataract.
- Trial name
- NCT05472844
- Where
- China
- Volunteers
- 5,000 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Child, Anesthesia Morbidity
A Study on the Effects of Midazolam on Delirium After Sevoflurane Anesthesia in Pediatric Strabismus Surgery
Sevoflurane with its rapid induction and emergence, hemodynamic stability, and nonirritating airway properties, has acquired widespread acceptance in children.
- Conditions
- Child, Anesthesia Morbidity, Delirium on Emergence
- Trial name
- NCT01680471
- Testing
- Midazolam 0.03mg/kg, Midazolam 0.05mg/kg
- Where
- South Korea
- Volunteers
- 90 people
- Sponsor
- Korea University Anam Hospital
Cataract
Using Psychophysics Methods to Investigate Sensory Dominance After Cataract Surgery
Using Psychophysics Methods for Quantitative Assessment of Sensory Binocular Imbalance After Cataract Surgery
- Trial name
- NCT06751342
- Where
- China
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Cataract Senile
Biaxial Microincision Cataract Surgery Technique
To analyze and compare visual results, keratometry, SIA and HOAs outcomes of biaxial microincision cataract surgery in elderly population, including diabetic and non-diabetic patients.
- Trial name
- BiMICS14vs18 (NCT03793101)
- Testing
- BiMICS
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Eyemed Centrum Okulistyczne
Nasolacrimal Duct Obstruction
A Comparison of Endonasal Dacryocystorhinostomy With and Without Silicone Tubes
Aim of study is to investigate whether the use of silicone tubes in endonasal DCR surgery increases the success rate and / or complication rate compared to surgery without tubes.
- Trial name
- NCT00784992
- Testing
- Endonasal dacryocystorhinostomy
- Where
- 2 sites in Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Glaucoma, Open-Angle
Retrospective Review of Xen Gel Stent Implantation With Open vs. Closed Conjunctiva Approach
To measure surgical success of open vs closed conjunctiva with Xen implantation.
- Trial name
- NCT04406467
- Testing
- Xen Gel Stent
- Where
- United States
- Volunteers
- 137 people
- Sponsor
- Johns Hopkins University
Exotropia
Surgery for Large Angle Exotropia Two Muscles Versus Three Muscles
Comparison Between The Results Of Two Muscles Surgery And Three Muscles Surgery For The Treatment Of Large Angle Exotropia
- Trial name
- XT (NCT05643456)
- Testing
- surgery
- Where
- Egypt
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Cairo University
Orbital Fractures, Enophthalmos
Correction of Enophthalmos and Orbital Volume Using Pre-bent Mesh Versus 3d Printed Onlay in Orbital Fracture Cases
this study evaluates the post-surgical correction of enophthalmos and orbital volume using 3D printed only versus pre-bent titanium mesh in blow-out fracture cases
- Conditions
- Orbital Fractures, Enophthalmos, Periorbital Fracture
- Trial name
- NCT04271137
- Testing
- 3D printed PEEK onlay, Pre-bent orbital mesh
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Cairo University
MCS vs ReLACS, Pain Perception Postoperatively First Eye vs Second Eye
A Comparison of Patient Perceptions Undergoing Manual Cataract Surgery (MCS) vs Refractive Laser-assisted Cataract Surgery (ReLACS) in First and Second Eyes
The focus of this study is to assess how pain can be mitigated for patients undergoing cataract surgery through the early application of anesthesia prior to the surgery as compared to the standard timing, and by using the ReLACS…
- Conditions
- MCS vs ReLACS, Pain Perception Postoperatively First Eye vs Second Eye, Early Anesthesia vs Standard Anesthesia
- Trial name
- NCT04623229
- Testing
- MCS, ReLACS Early, ReLACS Standard
- Where
- Canada
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Uptown Eye Specialists
Congenital Cataract
Aphakia Versus Pseudophakia in Children Under 2 Years Undergoing Bilateral Congenital Cataract Surgery
The purpose of this study is to document the safety and efficacy of primary IOL implantation in children below 2 years of age undergoing congenital cataract surgery.
- Trial name
- NCT01297153
- Testing
- Intraocular Lens (Acrysof IOL), No IOL
- Where
- India
- Volunteers
- 100 people
- Sponsor
- Iladevi Cataract and IOL Research Center
Myopia, Astigmatism
An Outcomes Study Comparing the Intralase FS 60 to the Intralase iFS When Performing LASIK Surgery for Nearsightedness
The purpose of the study is to compare the results of LASIK surgery when using two versions of a femtosecond laser in patients with nearsightedness with and without astigmatism.
- Trial name
- NCT01365728
- Testing
- LASIK with the iFS femtosecond laser
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Stanford University