Clinical trials: Lens Subluxation
Marfan Syndrome, Lens Subluxation or Dislocation
Surgical Treatment of Marfan Syndrome With Subluxation Lens
To analyze the postoperative visual effects, and to compare the safety and efficacy of different surgical treatment with of Marfan Syndrome with subluxation lens.
- Trial name
- NCT05578469
- Testing
- surgical treatment of Marfan Syndrome with subluxation lens
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Subluxation
A Novel Approach to Lens Subluxation
Evaluating new technique for treating patients with subluxation using specific laser type and new 6-0 proline fixating novel technique for the capsular bag
- Trial name
- NCT06773273
- Testing
- CapsuLaser-Assisted Capsulorhexis and Flanged Prolene Suture
- Where
- Saudi Arabia
- Volunteers
- 15 people
- Sponsor
- Zagazig University
Angle-Closure Glaucoma
Research on the Diagnosis and Treatment of Angle Closure Glaucoma With Abnormal Lens Zonular
Angle-closure glaucoma is the main type of glaucoma in China, which is divided into acute and chronic angle-closure glaucoma. Previous studies from our group have found that, in lens excision combined with glaucoma surgery…
- Trial name
- NCT05163093
- Where
- China
- Volunteers
- 250 people
- Sponsor
- Chunyan Qiao_2021
Cataracts Infantile, Subluxation of Lens
Anterior Versus Posterior Artisan Intraocular Lens Fixation in Aphakic Children With Insufficient Capsular Support.
The Artisan lens (Artisan Aphakic, Ophtec BV) is an iris- claw lens designed for implantation in children with insufficient capsular support.
- Conditions
- Cataracts Infantile, Subluxation of Lens, Intraocular Lens Complication, Corneal Endothelial Cell Loss
- Trial name
- NCT06396156
- Testing
- Anterior enclavation, Posterior enclavation
- Where
- 2 sites in Egypt
- Volunteers
- 32 people
- Sponsor
- Cairo University
Subluxation of Lens, Surgical Instruments，Cataract
Study of Multifunctional Cataract-assisted Retractor in Complicated Cataract Surgery
To compare the safety and efficacy of a new multi-functional cataract-assisted surgical instrument with that of traditional cataract-assisted surgical instrument in cataract surgery with subluxation of lens.
- Trial name
- NCT04062084
- Testing
- Multifunctional Cataract-assisted Retractor
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Lens Subluxation
Sutureless Technique for Repositioning and Scleral Fixation of the Capsular Bag - Intraocular Lens Complex With Permanent Use of Iris Retractors
Sutureless technique for repositioning and scleral fixation of the capsular bag-intraocular lens complex with permanent use of iris retractors
- Trial name
- NCT07257172
- Testing
- Sutureless technique for repositioning and scleral fixation of the capsular bag - intraocular lens complex with permanent use of iris retractors
- Where
- Poland
- Volunteers
- 40 people
- Sponsor
- Military Institute od Medicine National Research Institute
Dislocated Lens, Pars Plana Vitrectomy
Effectiveness and Safety of 25-Gauge Needle-Assisted Phacoemulsification of Dislocated Intravitreal Lens Nucleus
The goal of this observational study is to learn about the effects of 25-gauge (G) needle-assisted phacoemulsification to remove dislocated intravitreal lens nuclei.
- Conditions
- Dislocated Lens, Pars Plana Vitrectomy, Phacoemulsification, Needle
- Trial name
- NCT06709378
- Where
- China
- Volunteers
- 9 people
- Sponsor
- Changzhou No.2 People's Hospital
Lens Diseases, Cataract
Multicenter Study on the Use of Intraoperative OCT in the Diagnosis and Management of Lens Diseases
This multicenter retrospective study will collect clinical data to investigate the associations between preoperative and intraoperative anterior segment structural changes and postoperative surgical outcomes in patients with lens…
- Conditions
- Lens Diseases, Cataract, Age-related Cataract, Complicated Cataract
- Trial name
- NCT07741370
- Testing
- Intraoperative Optical Coherence Tomography
- Where
- China
- Volunteers
- 1,200 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Lens Subluxation
A Modified-simple Technique for Managing Moderate and Severe Subluxated Lens Extraction
The investigators describe a modified knotless Z-suture technique to stabilize the capsular bag to the sclera in eyes with moderate and severe ectopic lentis requiring cataract surgery using a standard CTR.
- Trial name
- NCT06627062
- Testing
- moderate and severe subluxated lens extraction
- Where
- China
- Volunteers
- 9 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Subluxation of Lens
Biometry of Occult Lens Subluxation Misdiagnosed as Primary Acute Angle Closed Glaucoma
In this work, we evaluated the biometry data of lens subluxation inducing acute angle closure which were misdiagnosed as primary angle closure at the first visit, and compared with the data of chronic angle closure glaucoma…
- Trial name
- NCT03752710
- Volunteers
- 183 people
- Sponsor
- Tianjin Medical University Eye Hospital
Marfan Syndrome, Ectopia Lentis
Classifying Ectopia Lentis in Marfan Syndrome Into Five Grades of Increasing Severity
Marfan syndrome is characterized by musculoskeletal manifestations, cardiovascular disease and ocular abnormalities, particularly ectopia lentis.
- Trial name
- NCT04319107
- Testing
- ophthalmological examinations using a slit lamp bio microscopy and a three-mirror lens, standard procedure.
- Where
- France
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Cataract; Complicata, Posterior Capsule Tear
CT Lucia 601 IOL Implantation in the Sulcus
To perform a retrospective investigation of the CT Lucia 601 IOL implantation in the sulcus
- Conditions
- Cataract; Complicata, Posterior Capsule Tear, Lens Dislocation
- Trial name
- CLUS (NCT04796662)
- Where
- Belgium
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Subluxation of Lens
Study of Subluxation Lens Biometrics and Postoperative Intraocular Lens Stability
To compare the accuracy of four lens diameter measurement methods and to study the influencing factors of intraocular lens deviation after operation
- Trial name
- NCT04685122
- Testing
- Phacoemulsification and intraocular lens implantation for cataract
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Aphakia
Artisan Aphakia Lens for the Correction of Aphakia in Children
The purpose of this study is to determine the safety and effectiveness of the Artisan Aphakia Lens in the treatment of aphakia in children.
- Trial name
- NCT01547442
- Testing
- Artisan Aphakia Intraocular Lens
- Where
- 19 sites in United States, Canada
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Ophtec USA
Lens Subluxation
Ultrasound Biomicroscopic Analysis of Cionni Ring and In-the-bag IOL Implantation for Subluxated Lenses
To report the Ultrasound Biomicroscopic findings following Cionni Ring bag fixation and in-the-bag IOL Implantation. To assess the relationship of the Bag and Cionni ring positioning in relation to surrounding ocular structures…
- Trial name
- NCT02790268
- Testing
- Lens Subluxation Surgery
- Volunteers
- 17 people
- Sponsor
- Iladevi Cataract and IOL Research Center
Ectopia Lentis, Lens Subluxation or Dislocation
Efficacy of Visual and Perceptual Training on Visual Function for Operative Congenital Ectopia Lentis Children
This is a multi-centre, open-label, parallel-group randomized controlled trial with the following objectives: Firstly, the investigators aim to evaluate the efficacy of web-based visual and perceptual training therapy on visual…
- Trial name
- NCT07096622
- Testing
- perceptual learning visual treatment,HVT
- Where
- 2 sites in China
- Volunteers
- 82 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Lens Luxation, IOL Subluxation
Long-term Results of Two Surgical Methods for Scleral IOL Implantation and Fixation in Eyes Without Capsular Support: Yamane- Versus 4-flanged Technique
This study is a comparison of the surgical techniques and postoperative outcome between the two intrascleral IOL fixation techniques: Yamane technique versus the 4-flanged technique.
- Conditions
- Lens Luxation, IOL Subluxation, IOL Opacification, Aphakia - No Lens Capsule
- Trial name
- YAMPOINT (NCT06102109)
- Testing
- Pars plana vitrectomy, IOL explantation, Scleral IOL fixation Yamane Technique
- Where
- Austria
- Volunteers
- 100 people
- Sponsor
- Medical University of Vienna
Ectopia Lentis
Effect of Mobile Communication on Congenital Ectopia Lentis Follow-up Adherence
Regular follow-up is essential to successful management of congenital ectopia lentis, but it is often ignored by parents in China.
- Trial name
- NCT05628129
- Testing
- smartphone application service and phone reminder
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Cataract
Corneal Edema After Phacoemulsification
To compare the impact of two phacoemulsification techniques (subluxation versus divide-and-conquer) on postoperative corneal edema at postoperative hour 1 and day 4.
- Trial name
- COPHA (NCT03689270)
- Testing
- Subluxation, Divide and conquer
- Volunteers
- 96 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Marfan's Syndrome With Ocular Manifestations, Pseudoexfoliation Syndrome
The Oscillation of Crystalline and Intraocular Lenses
The crystalline lens of the human eye helps to sharpen vision. There can be issues with the support/stability of the lens. This could be seen with the naked eye of an external observer or with the use of a slit lamp.
- Conditions
- Marfan's Syndrome With Ocular Manifestations, Pseudoexfoliation Syndrome, Cataract, Phakodonesis
- Trial name
- NCT04274634
- Where
- 2 sites in United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University