Clinical trials: Lenses
Cataract, After Cataract
Autonomous Telephone Follow-up After Cataract Surgery
This project will apply AI technology to meet the gap between increasing demand and limited capacity of high- volume healthcare services.
- Trial name
- NCT05213390
- Testing
- Dora
- Where
- 2 sites in United Kingdom
- Volunteers
- 225 people
- Sponsor
- University of Plymouth
Cataract
Objective Visual Quality Analysis System is Used in Cataract
The Objective Visual Quality Analysis System (OQAS) is a new inspection technology used to objectively assess the visual quality of the human eye.
- Trial name
- NCT04757350
- Testing
- Observational research, not applicable
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Myopia
A Study to Evaluate the Product Feasibility of Two New Silicone Hydrogel Contact Lenses
The objective of this study is to determine the clinical feasibility and to evaluate the product performance of two RD2135-01 investigational soft contact lenses (Test 1 and Test 2) developed by Bausch + Lomb.
- Trial name
- NCT01583868
- Testing
- B&L RD2135-01 lens C, B&L RD2135-01 lens D, PureVision2
- Where
- United States
- Volunteers
- 216 people
- Sponsor
- Bausch & Lomb Incorporated
Lenses, Intraocular, Pseudophakia
Intermediate Vision in a Driving Simulator Environment: Comparison of the J&J EYHANCE With a Conventional Monofoc. IOL
To compare (low contrast) visual acuity (VA) and contrast sensitivity (CS) - both at intermediate distances under nighttime driving conditions in a driving simulator between patients with bilateral EYHANCE IOLs OR bilateral…
- Conditions
- Lenses, Intraocular, Pseudophakia, Near Vision, Driving
- Trial name
- JJ-EYHANCE (NCT04059289)
- Testing
- Posterior chamber intraocular lens (IOL)
- Where
- Germany
- Volunteers
- 11 people
- Sponsor
- Aalen University
Posterior Capsule Opacification
Influence of CleaRing Open-capsule Device on Refractive Predictability in Cataract Patients (Part 2)
The Hanita CleaRing device is an intraocular implant designed for inhibition of PCO leading to reduction in the Nd:YAG treatment rate.
- Trial name
- CleaRing (NCT06083025)
- Testing
- CleaRing
- Where
- Israel
- Volunteers
- 25 people
- Sponsor
- Hanita Lenses
Cataract
The Effect of Periodic Intensive Education on Surgical Outcomes in Cataract Surgery Patients
The goal of this clinical trial is to learn whether periodic education can improve recovery outcomes in older adults undergoing cataract surgery.
- Trial name
- NCT07439809
- Testing
- Periodic Education, Routine Postoperative Care
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Cumhuriyet University
Cataract, Diabetes Mellitus
Corneal Endothelial Cell Changes After Phacoemulsification in Patients With Type 2 Diabetes Mellitus
This study investigate the change of the corneal endothelial cells in patients with type 2 diabetes after phacoemulsification with intraocular lens implantation.
- Trial name
- NCT03260673
- Testing
- specular microscope
- Volunteers
- 30 people
- Sponsor
- Beijing Tsinghua Chang Gung Hospital
Presbyopia
Evaluation of an Investigational Multifocal Lens
The purpose of this study is to test the performance of an investigational multifocal test soft contact lens.
- Trial name
- NCT02223754
- Testing
- lotrafilcon B, etafilcon A
- Where
- 20 sites in United States
- Volunteers
- 371 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Clinical Outcomes After Implantation of a Monofocal Hydrophobic IOL, Bi-Flex 877PAY With POB-MA Preloaded Injector
The purpose of our investigation is to retrospectively assess visual outcomes, refractive stability, safety features of the lens and the incidence of developing PCO (posterior capsular opacification) in a 12-month period…
- Trial name
- NCT06469541
- Where
- United Kingdom
- Volunteers
- 100 people
- Sponsor
- Medicontur Medical Engineering Ltd
Cataract, Retina Disorder
A Big Data-based Cohort Study for Cataract Patients
Cataract is an important cause of blindness and visual impairment worldwide. At present, the only effective treatment method is surgery.
- Trial name
- NCT05491798
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Sun Yat-sen University
Presbyopia Correction, Presbyopia
Presbyopic Wear Experience With Multifocal Lenses Compared to Single Vision Lenses and Reading Glasses
The purpose of the study is to assess participant experience when wearing multifocal contact lenses compared to spherical contact lenses with reading glasses.
- Trial name
- NCT07218731
- Testing
- Multifocal contact lenses, Spherical contact lenses
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Ohio State University
Cataracts, Astigmatism
Randomized Comparison of the Abbott WHITESTAR Signature System With Ellips Tranversal Ultrasound vs. the Alcon Infiniti With the Ozil Torsional Handpiece in Phacoemulsification: A Contralaterally-Controlled Trial
The purpose of this study is to look at the outcomes of your vision after your cataract surgery based on two different types of equipment that will be used during your surgery.
- Trial name
- NCT01279031
- Testing
- Abbott WHITESTAR Signature System with Ellips Transversal Ultrasound, Alcon Infiniti wiht the OZIL Torsional Handpiece
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Innovative Medical
Keratoconus
Impact of Scleral Contact Lens Wear on Corneal Nerves in Keratoconus
The purpose of this study is to investigate changes in corneal innervation during scleral contact lens wear in a keratoconic population.
- Trial name
- NCT03091101
- Testing
- Scleral lens wearing keratoconics
- Where
- Canada
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Contact Lens Care
AOSEPT (CLEAR CARE) PLUS Study
The purpose of this post-market clinical follow-up (PMCF) study is to evaluate the long-term safety and performance of 2 commercially available contact lens cleaning and disinfecting systems in a pediatric population.
- Trial name
- NCT06588400
- Testing
- AOSEPT Plus and AOCup lens case, AOSEPT Plus with HydraGlyde and AOCup lens case, Habitual contact lenses
- Where
- United States
- Sponsor
- Alcon Research
Glaucoma, Primary Open Angle, Cataract
Investigate, Following Cataract Surgery With IOL in Conjunction With Intracanalicular Dexamethasone Insert
Randomized, controlled treatment with an intracanalicular dexamethasone (0.4mg) insert following cataract surgery with intraocular lens implant (IOL) combined with minimally invasive glaucoma surgery (MIGS), specifically iStent…
- Trial name
- NCT04465864
- Testing
- Intracanalicular Dexamethasone, 0.4 mg insert
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Wolstan and Goldberg Eye Associates
Age Related Cataracts
Posterior Capsule Opafication of Two Different Hydrophobic Acrylic Intraocular Lenses
On the day of surgery, the first eye to be operated is randomised to receive a Vivinex , HOYA Surgical Optics GmbH or an SN60WF, Alcon, Fort Worth, Texas. The second eye to be operated receives the other IOL type.
- Trial name
- Acryvivi (NCT04196673)
- Testing
- Alcon SN60WF, Hoya Vivinex
- Volunteers
- 80 people
- Sponsor
- Medical University of Vienna
Visual Acuity
Clinical Evaluation of Spherical Soft Contact Lenses, Toric Soft Contact Lenses and Spectacles in Low Astigmats
This will be a 5-visit, randomized, partially single-masked, bilateral wear, dispensing, 2-treatment × 2-period crossover study with spectacle-wear washout and wash-in periods.
- Trial name
- NCT05056870
- Testing
- ACUVUE Oasys 1-Day with HydraLuxe Technology for Astigmatism, ACUVUE Oasys 1-Day with HydraLuxe Technology
- Where
- 13 sites in United States
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
To Collect Information About Visual Outcomes and Participant Satisfaction
Prospective Evaluation of Visual Outcomes With Tecnis One-Piece Multifocal Intraocular Lenses Compared With Patients Previously Implanted With Crystalens Aspheric Optic (AO)
The study is being conducted to collect information about visual outcomes and participant satisfaction with the Tecnis One-Piece Multifocal (MF) Intraocular Lenses (IOLs) compared with participants previously implanted with…
- Trial name
- NCT01191229
- Testing
- Tecnis one-piece MF IOL, Crystalens AO
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Innovative Medical
Cataract
A Study on the Application of Smart Bed-Exit Alert Assistive Devices for Detecting Preoperative Bed Exits in Ophthalmic Surgery Patients in the Operating Room
This prospective, randomized interventional study aims to evaluate the effectiveness of a smart bed-exit alert system for patients undergoing cataract surgery during the preoperative waiting period.
- Trial name
- NCT07693829
- Testing
- Smart Bed-Exit Alert System
- Where
- Taiwan
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
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
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