Clinical trials: Lens Disease
Keratoconus
Custom Anterior Surfacing of Scleral Lens for Vision Quality Improvement in Patients With Keratoconus
The goal of the study is to examine the effects of custom front-surface wavefront correction on visual performance, and on neutralization of higher order aberrations, in patients wearing a scleral lens device.
- Trial name
- NCT03647046
- Testing
- Customized Scleral Lens
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Rochester
Cataract
Evaluation of the Eyhance and Zoe Lenses
The goal of this observational study is to assess distance and near visual acuity of patients who have undergone cataract surgery with two intraocular lenses (IOLs).
- Trial name
- NCT06665659
- Volunteers
- 50 people
- Sponsor
- University Hospital Plymouth NHS Trust
Concussion, Mild, Photophobia
Use of Tinted Contact Lenses for Concussion-Related Light Sensitivity
The purpose of this study is to gather pilot data on the effectiveness of daily disposable tinted contact lenses in reducing photophobia (light sensitivity) following a concussion, with the goal of facilitating the return to work…
- Conditions
- Concussion, Mild, Photophobia, Contact Lens
- Trial name
- NCT07223086
- Testing
- Narrow band (tinted) contact lenses, broad band (clear) contact lenses
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Alabama at Birmingham
Myopia
Comparison of Somofilcon A Daily Disposable Test Contact Lens and Somofilcon A Daily Disposable Control Contact Lens
The purpose of this study is to investigate the overall clinical performance of the somofilcon A daily disposable test soft contact lens compared to the somofilcon A daily disposable control soft contact lens.
- Trial name
- NCT03372551
- Testing
- somofilcon A 1 day test lens, somofilcon A 1 day control lens
- Where
- Canada
- Volunteers
- 36 people
- Sponsor
- CooperVision, Inc.
Cataract, Astigmatism
Toric Intraocular Lenses for Cataract Patients in the NHS
To assess visual performance, refractive outcome, and patient satisfaction with the use of "off the shelf" toric lenses, with a set cylindrical correction of 2.00 or 4.00 diopters, and combined limbal relaxing incisions and/or…
- Conditions
- Cataract, Astigmatism, Cornea
- Trial name
- NCT04122651
- Testing
- 'Off the shelf' toric lens, Tailored Toric lens
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Dry Eye Disease, Cataract
The Pattern of Dry Eye Disease After Cataract Surgery
This study is designed to explore dry eye disease (DED) pattern: ocular surface, corneal morphological changes, patients' subjective assessment of DED and their correlations with ocular surface inflammation, pain biomarkers after…
- Conditions
- Dry Eye Disease, Cataract, Ocular Surface Disease
- Trial name
- NCT06298890
- Testing
- Artificial tears (sodium hyaluronate 0.2%)
- Where
- Lithuania
- Volunteers
- 100 people
- Sponsor
- Lithuanian University of Health Sciences
Cataract Extraction, Cataract
Clinical Study to Evaluate the Efficacy and Tolerability of an Anti-inflammatory/Antibiotic Treatment Following Ocular Cataract Extraction
Cataract is an ophthalmic disease that usually affects the elderly population. Cataract surgery with phaco-emulsification is now the most frequently performed intraocular surgical procedure in the developed world.
- Trial name
- NCT02973880
- Testing
- NETILDEX™ ophthalmic gel, NETILDEX™ eye drops solution
- Where
- 7 sites in Germany, Italy and 1 more
- Volunteers
- 180 people
- Sponsor
- SIFI SpA
Myopia
Comparative Study to Evaluate the Cosmetic Appearance of Two Brands (Coopervision (CVI) vs. Competitor) of Color Soft Contact Lenses.
Comparative Study to Evaluate the Cosmetic Appearance of Two Brands (Coopervision (CVI) vs. Competitor)of Color Soft Contact Lenses
- Trial name
- NCT02299869
- Testing
- Verde (Competitor-control), Green (CVI-test), Cinza (Competitor-control)
- Where
- Mexico
- Volunteers
- 41 people
- Sponsor
- CooperVision, Inc.
Endothelial Cell Loss, Corneal, Cataract and Intraocular Lens (IOL) Surgery
Effect of Vitamin C Supplementation in Corneal Endothelial Damage in Phacoemulsification of Patients with Hard Cataracts
The goal of this clinical trial is to analyze the protective effects of oral ascorbic acid on the corneal endothelial layer undergoing oxidative stress due to phacoemulsification in patients with hard cataracts.
- Trial name
- NCT06781970
- Testing
- Oral Vitamin C
- Where
- 2 sites in Indonesia
- Volunteers
- 120 people
- Sponsor
- Universitas Indonesia
Glaucoma Eye, Cataract
Bulbicam Validation on Glaucoma- and Cataract Patients
The aim is to investigate repeatability and stability of the six OTH-related Bulbicam tests in patients suffering from Glaucoma (GLA), b) Cataract (CAT) and matched healthy controls (HC).
- Trial name
- NCT05449041
- Testing
- Bulbicam
- Where
- Norway
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Meddoc
Cataract, Glaucoma
Evaluation of the Safety and Efficacy of the Bimatoprost Implant System Used in Combination With the SpyGlass IOL Compared to Timolol Ophthalmic Solution (Rhone)
This trial is a randomized study to evaluate the Bimatoprost Implant System used in combination with the SpyGlass IOL to Timolol Ophthalmic Solution in participants with mild to moderate open-angle glaucoma or ocular hypertension…
- Conditions
- Cataract, Glaucoma, Ocular Hypertension
- Trial name
- NCT07218796
- Testing
- Bimatoprost Implant System, SpyGlass IOL, Timolol Maleate Ophthalmic Solution, 0.5%
- Where
- United States
- Volunteers
- 400 people
- Sponsor
- SpyGlass Pharma, Inc.
Cataract, Pseudoexfoliation Syndrome
Long-term Intraocular Lens (IOL) Decentration and Tilt in Eyes With Pseudoexfoliation Syndrome (PES) Following Cataract Surgery
To evaluate long-term intraocular lens (IOL) decentration and tilt in eyes with pseudoexfoliation syndrome (PES) following cataract surgery using Visante anterior segment OCT and iTrace Visual Function Analyzer.
- Conditions
- Cataract, Pseudoexfoliation Syndrome, Pseudophakia
- Trial name
- NCT03453827
- Testing
- no intervention
- Volunteers
- 37 people
- Sponsor
- Hospital Hietzing
Ametropia, Myopia
Apioc Contact Lens Feasibility
This clinical trial will document the feasibility of the Apioc lens design by assessing which lens shape parameters yield successful on-eye-fit and movement of the Apioc contact lens design and evaluate the subjectively-reported…
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT03688672
- Testing
- Apioc Contact Lens Design
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC
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
Cataract
Randomized Contralateral Clinical Trial With Single-piece (SN60WF) vs. Three Piece (MA60AC) AcrySof Intraocular Lenses (IOLs) on Development of Posterior Chamber Opacification (PCO).
Randomized contralateral clinical trial with single piece (Model SN60WF) vs. three piece (Model MA60AC) AcrySof Intraocular Lenses (IOLs) on development of Posterior Chamber Opacifiation (PCO).
- Trial name
- NCT00758745
- Testing
- Model SN60WF, Model MA60AC
- Where
- United States
- Volunteers
- 81 people
- Sponsor
- Alcon Research
Myopia
Evaluation of Visual Performance With Contact Lenses
This study will evaluate the influence of contact lens optical design on visual performance using standard and multifocal soft contact lenses (MFCLs).
- Trial name
- NCT03705130
- Testing
- Single Vision Contact Lens, Multifocal Contact Lens 1, Multifocal Contact Lens 2
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Houston
Myopia
The Effect of Blue-light Filtering Spectacle Lenses on Myopia Progression in Schoolchildren
The purpose of this study is to investigate if the blue-light filtering spectacle lenses promote myopia progression in schoolchildren.
- Trial name
- NCT03538002
- Testing
- Blue-light filtering spectacle lenses
- Where
- Hong Kong
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia, Refractive Error
An Evaluation of Myopia Control Lenses on Wearing Experience in Myopic Children
The goal of this research study is to understand the wearing experience of A.M.L. series of lenses in myopic children. The main questions it aims to answer are: How quickly and effectively children adapt to the A.M.L.
- Trial name
- NCT07354945
- Testing
- A.M.L. Series of Lenses
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Essilor International
Cataract, Macular Degeneration
Technology-based Eye Care Services (TECS) Compare
The purpose of this study is to compare the Technology-based Eye Care Services (TECS) protocol to the standard face to face ophthalmologic exam.
- Conditions
- Cataract, Macular Degeneration, Glaucoma
- Trial name
- NCT02558712
- Testing
- Technology-based Eye Care Services (TECS) Protocol
- Where
- United States
- Volunteers
- 256 people
- Sponsor
- Emory University
Lens Subluxation
Prospective Study of Cionni Ring and In-the-bag IOL Implantation for Subluxated Lenses
The purpose of this study is to report the intraoperative performance and postoperative outcomes of the Cionni-modified capsule tension ring implantation in eyes with subluxated lenses.
- Trial name
- NCT01346566
- Testing
- Cionni Modified Capsule Tension Ring
- Where
- India
- Volunteers
- 33 people
- Sponsor
- Iladevi Cataract and IOL Research Center