Clinical trials: Capsular Tension Ring
High Myopia, Capsular Tension Ring
Influence of Capsular Tension Ring on IOL-capsular Complex After Cataract Surgery in Patients With High Myopia: a Clinical Observation Based on SS-OCT
The IOL-capsular complex is formed after cataract surgery and intraocular lens (IOL) implantation.Early postoperative mechanical wrapping of the anterior and posterior capsules plays a significant role in preventing IOL…
- Trial name
- NCT05095194
- Testing
- Cataract surgery with IOL implantation and with/without capsular tension ring implatation
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Wenzhou Medical University
Intraocular Lens Implantation
Clinical Validation Plan of Capsular Tension Ring
Through follow-up for 1 year or more, the safety and effectiveness of the Capsular Tension Ring produced by Eyebright Medical Technology (Beijing) Co., Ltd.
- Trial name
- CVPOCTR (NCT04880018)
- Testing
- Capsular Tension Ring
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Eyebright Medical Technology (Beijing) Co., Ltd.
High Myopia, Cataract
The Role of Capsular Tension Rings in Intraocular Lens Stability in High Myopia Cataract Patients: A Prospective Self-Controlled Study
Study Purpose: This prospective, self-controlled clinical study aims to evaluate the impact of capsular tension rings (CTR) on intraocular lens (IOL) stability in high myopia patients undergoing bilateral cataract surgery.
- Trial name
- NCT07052825
- Testing
- CTR implantation
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Jin Yang
Cataract
Influence of an Capsular Tension Ring on the Rotation of an Intraocular Lens (Aspira®-aA Also Known as MC 6125 AS)
The purpose of this study is to observe the axial IOL rotation after surgery with a capsular tension ring (CTR) and a MC6125 AS IOL.
- Trial name
- NCT02649257
- Testing
- cataract surgery, intraocular lens (MC 6125 AS), capsular tension ring (CTR 13/11)
- Where
- Austria
- Volunteers
- 100 people
- Sponsor
- Medical University of Vienna
Cataract With Exfoliation Syndrome
Efficacy of a Capsular Tension Ring in Preventing Anterior Capsule Shrinkage After Cataract Surgery in Exfoliation Syndrome
The purpose of this study is to examine the efficacy of a capsular tension ring (CTR) in preventing anterior capsule shrinkage after cataract surgery in exfoliation syndrome (XFS) with no zonular weakness.
- Trial name
- Effect of CTR (NCT01455168)
- Where
- Japan
- Volunteers
- 30 people
- Sponsor
- University of Occupational and Environmental Health
Glaucoma, Angle-Closure
Implantation of Capsular Tension Ring in Primary Angle Closure Patients With Zonular Laxity or Dialysis
Primary angle closure glaucoma (PACG) is the main type of glaucoma in China, which includes acute and chronic PACG. According to the International Society of Geographical and Epidemiological Ophthalmology (ISGEO), this spectrum…
- Trial name
- NCT05542290
- Testing
- Capsular tension ring implantation, No capsular tension ring implantation
- Where
- China
- Volunteers
- 156 people
- Sponsor
- Beijing Tongren Hospital
Cataract
Comparison of Clinical Outcomes After Cataract Surgery With and Without Capsular Tension Ring
This study was set up to identify clinical outcomes including a refractive shift or change in IOL calculation accuracy and optical quality after Ophtec® capsular tension ring in the eyes without zonular instability.
- Trial name
- NCT02183831
- Testing
- Insertion of the capsular tension ring
- Volunteers
- 52 people
- Sponsor
- Yonsei University
Retinitis Pigmentosa, Cataract
The Role of Capsular Tension Ring (CTR) in Anterior Capsular Contraction
This is a Randomized Controlled Trial to study the role of Capsular Tension Ring in patients with Retinitis Pigmentosa
- Trial name
- ACO (NCT00717080)
- Testing
- IOL surgery
- Where
- India
- Volunteers
- 40 people
- Sponsor
- Aurolab
Intraocular Lens Rotation, Capsular Tension Ring
Combined Capsular Tension Ring and IOL Implantation for Management of Cataracts
This study included cataract patients who underwent intraocular lens (IOL) implantation with or without capsular tension ring (CTR), which aimed to evaluate the contribution of the use of CTR in clinical visual outcomes and…
- Trial name
- NCT05530473
- Testing
- capsular tension ring
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Eye & ENT Hospital of Fudan University
Intraocular Lens Complication
Capsular Tension Ring With Hydeophilic Intraocular Lesnes to Decrease Posterior Capsule Opacification Versus Hydrophobic Ones
evaluate the clinical outcomes of routine CTR insertion in conjunction with hydrophilic versus hydrophobic IOLs following phacoemulsification.
- Trial name
- NCT06974578
- Testing
- phacoemulsification, CTR, hydrophilic IOL
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Benha University
Cataract, High Myopia
Impact of Capsular Tension Ring Implantation on Intraocular Lens Position
This is a randomized controlled trial to investigate the effect of capsular tension ring (CTR) implantation on intraocular lens (IOL) tilt and decentration in cataract patients with high myopia.
- Trial name
- NCT05161520
- Testing
- phacoemulsification combined with IOL and CTR implantation, phacoemulsification combined with IOL implantation
- Where
- China
- Volunteers
- 186 people
- Sponsor
- Xuhua Tan
Cataract, Astigmatism
Evaluation of Toric Intraocular Lens(IOL) Combined With Capsular Tension Ring(CTR) in Patients With Cataract Combined With High Myopia
The objective of this study is to evaluate the postoperative visual quality and IOL stability in patients with cataracts and high myopia who have undergone surgery using astigmatism-correcting IOLs in conjunction with tension…
- Conditions
- Cataract, Astigmatism, Intraocular Lens Rotation
- Trial name
- NCT06571773
- Testing
- intraoperative implantation of Capsular Tension Ring, none intraoperative implantation of CTR
- Where
- China
- Volunteers
- 72 people
- Sponsor
- Shanghai 10th People's Hospital
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
Cataract, Ophthalmoplegia
Capsular Tension Rings in Intraocular Lens Rotation
To investigate whether implantation of a capsular tension ring device will affect the degree of rotation of an implanted toric intraocular lens following cataract surgery.
- Conditions
- Cataract, Ophthalmoplegia, Ophthalmologic Complication
- Trial name
- NCT04436198
- Testing
- MORCHER® EYEJET® CTR Types 14, 14A, and 14C, Toric IOL Only
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Rachel Lieberman
Phacoemulsification Cataract Surgery, Capsular Tension Ring
Capsular Tension Ring With Hydrophilic Versus Hydrophobic Intraocular Lenses
This study compares three approaches to cataract surgery. Cataract surgery involves removing the eye's cloudy natural lens and replacing it with an artificial intraocular lens (IOL) to restore clear vision.
- Conditions
- Phacoemulsification Cataract Surgery, Capsular Tension Ring, IOL Implantation
- Trial name
- CTR-IOL-3ARM (NCT07842809)
- Testing
- Hydrophilic acrylic intraocular lens (Eyecryl), Capsular tension ring (Auroring CTR 11), Hydrophobic acrylic intraocular lens (AcrySof IQ)
- Where
- Egypt
- Volunteers
- 600 people
- Sponsor
- Benha University
Cataract Extraction
EyeKon Medical Inc. Capsular Tension Ring Study
This study evaluates the safety and effectiveness of a capsular tension ring (CTR) when used during cataract surgery. Capsular Tension Rings are used during intraocular lens implantation to give added support in order to keep the…
- Trial name
- CTR (NCT02332369)
- Testing
- Capsular Tension Ring
- Where
- 3 sites in United States
- Volunteers
- 125 people
- Sponsor
- EyeKon Medical, Inc.
Intraocular Lens Rotation, Capsular Tension Ring
Rotational Stability of a Hydrophobic Acrylic Plate Haptic Intraocular Lens Using a Capsular Tension Ring - An Intraindividual Comparative Study
The present study should investigate the influence of a capsular tension ring on postoperative rotational stability of a plate haptic hydrophilic acrylic intraocular lens.
- Trial name
- ConTRol (NCT04226196)
- Testing
- Implantation of an intraocular lens
- Where
- Austria
- Volunteers
- 65 people
- Sponsor
- Medical University of Vienna
Cataract, Retinitis Pigmentosa (RP)
Impact of Capsular Tension Ring on Intraocular Lens Position in Retinitis Pigmentosa Cataract Patients
This is a self-controlled randomized clinical trial to investigate the effect of capsular tension ring (CTR) implantation on intraocular lens (IOL) position in cataract patients with retinitis pigmentosa(RP).
- Trial name
- NCT07126470
- Testing
- CTR implantation
- Where
- 3 sites in China
- Volunteers
- 88 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University