Clinical trials: Lenses
Diabetes Mellitus, Diabetes Complications
Diabetes Complications and Hearing Loss
Observation study, shows the relation between diabetes, its neurological and optical complication and hearing loss, by asking participants questions about there age,BMI,job,the history of any cataract,diabetes retinopathy or…
- Conditions
- Diabetes Mellitus, Diabetes Complications, Hearing Loss
- Trial name
- NCT06190938
- Where
- Syria
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- Syrian Private University
Presbyopia
Performance of a Multifocal Contact Lens - Presbyopia Study
This is a four week study to evaluate the performance of a multifocal contact lens in habitual wearers of silicone hydrogel multifocal contact lenses.
- Trial name
- NCT02450747
- Testing
- etafilcon A MULTIFOCAL
- Where
- Canada
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia, Myopic Astigmatism
Multicenter Clinical Trial of a Phakic Implantable Collamer® Lens (ICL)
This objective of this study is to evaluate the safety, and to collect supportive data on effectiveness of the EVO/EVO+ Visian® Implantable Collamer® Lens (ICL) in study participants who have a diagnosis of myopia or myopia with…
- Trial name
- NCT04283149
- Testing
- EVO/EVO+ Visian ICL
- Where
- 14 sites in United States
- Volunteers
- 327 people
- Sponsor
- Staar Surgical Company
Cataract
Visual and Patient Reported Outcomes With Clareon TruPlus
This is a prospective, single-site, two-surgeon, single-arm, observational study evaluating the Clareon TruPlus IOL. Subjects will be assessed up to 3 months post-operatively.
- Trial name
- NCT07648355
- Testing
- Clareon TruPlus
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- OVO LASIK + Lens
Macular Edema, Cystoid Macular Edema
Effectiveness of Periocular Drug Injection in CATaract Surgery
Cystoid macular edema (CME) is a major cause of suboptimal postoperative visual acuity after cataract surgery. Topical steroidal and nonsteroidal anti-inflammatory drugs (NSAIDs) are used to prevent CME.
- Conditions
- Macular Edema, Cystoid Macular Edema, Retinal Disease, Cataract
- Trial name
- EPICAT (NCT05158699)
- Testing
- Bromfenac, Dexamethasone, Triamcinolone Acetonide
- Where
- 10 sites in Austria, Germany and 2 more
- Volunteers
- 628 people
- Sponsor
- Luigi Rondas
Cataract
Comparison of Three Swept-source Optical Coherence Biometry Devices in Long and Short Eyes
The aim of the study is to compare the agreement and repeatability of ocular biometric parameters obtained using three swept-source optical coherence tomography (ss-OCT) device (Argos, IOLMaster 700 and ANTERION).
- Trial name
- NCT05232214
- Testing
- Biometry
- Where
- Austria
- Volunteers
- 42 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Comparative Effectiveness Research
Comparative Functional Vision Outcomes: DAILIES TOTAL1 Toric vs. Spherical Lenses in Asian Astigmatic Patients
The goal of this comparative clinical trial is to assess the effectiveness of DAILIES TOTAL1 Toric Contact Lenses compared to Spherical Equivalent Contact Lenses in improving the functional vision of astigmatic patients, with a…
- Trial name
- NCT06230263
- Testing
- Visual acuity test
- Where
- Hong Kong
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Mopsy Research
Cataract
Evaluation of Seelens AF, an Aspheric Intra-ocular Lens
Senile cataract is managed by cataract extraction and intra-ocular lens (IOL) implantation. The purpose of this study is to evaluate the safety and efficacy of the SeeLens AF, an acrylic hydrophilic aspheric IOL.
- Trial name
- NCT00825747
- Testing
- SeeLens AF intra-ocular lens
- Where
- 2 sites in Israel
- Sponsor
- Hanita Lenses
Presbyopia
CLEAR CARE® PLUS for Presbyopic Contact Lens Wearers
The purpose of this study is to evaluate CLEAR CARE® PLUS (CCP) compared to non-HYDRAGLYDE® multi-purpose contact lens solutions in presbyopes currently wearing soft contact lenses and experiencing symptoms of dryness.
- Trial name
- NCT02965833
- Testing
- 3% hydrogen peroxide solution with HydraGlyde® Moisture Matrix, Habitual Multi-Purpose Contact Lens Solution, Habitual Contact Lenses
- Volunteers
- 126 people
- Sponsor
- Alcon, a Novartis Company
Presbyopia, IOL, Cataract
Evaluation of the Visual Acuity Curves of an Enhanced Monofocal Intraocular Lens
The primary objective of this study is to evaluate postoperative visual acuity curves in pseudophakic patients following unilateral or bilateral implantation of the enhanced monofocal TECNIS Eyhance IOL, using the DDARTVC.
- Trial name
- IOL-VAC (NCT07439835)
- Testing
- Phacoemulsification with enhanced monofocal IOLs
- Where
- Greece
- Volunteers
- 62 people
- Sponsor
- Democritus University of Thrace
Corneal Astigmatism in Cataract Patients and Previous DALK
Effectiveness of Toric Intraocular Lenses for Treating Corneal Astigmatism in Patients With Cataract and Previous DALK
the purpose of this study was to assess the efficacy of custom made toric intraocular lens implantation in patients with simultaneous post-DALK high corneal astigmatism and cataract.
- Trial name
- NCT03398109
- Testing
- Customized toric IOL for post-DALK atigmatism
- Volunteers
- 10 people
- Sponsor
- Fondazione G.B. Bietti, IRCCS
Myopia
Investigation of Multi-Purpose Solution-Based Corneal Staining and Ocular Comfort
The primary objective of this study is to compare subjective ocular symptoms and corneal staining over time in a group of individuals who wear soft contact lenses on a daily wear basis, whilst they sequentially use two different…
- Trial name
- NCT00349843
- Testing
- Soft contact lens, Marketed soft lens multipurpose disinfection regimen
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Dry Eye
Ocular Inflammation in Cataract Patients and Response to Treatment With Xiidra
To determine if the use of Xiidra® reduces ocular surface inflammation in preoperative and postoperative cataract patients.
- Trial name
- NCT04120987
- Testing
- Lifitegrast 5% Ophthalmic Solution
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Bucci Laser Vision Institute
Cataract, Lenses
A Comparison of the Visual Performance of Trifocal Versus Extended Depth of Focus Intraocular Lenses
We are conducting a trial evaluating the performance of trifocal versus extended depth of focus intraocular lenses. These lenses will be implanted in otherwise healthy individuals with visual problems due to bilateral cataracts.
- Conditions
- Cataract, Lenses, Visual Impairment
- Trial name
- NCT03726606
- Testing
- Intraocular lens
- Volunteers
- 36 people
- Sponsor
- Hashmanis Hospital
Presbyopia
Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Multifocal Contact Lenses
The primary objective of this study is to demonstrate noninferiority in visual acuity at distance when wearing the test contact lenses (LID210464) compared to the control contact lenses (AOHG MF) after 30 days of wear.
- Trial name
- NCT05338333
- Testing
- Lehfilcon A multifocal contact lenses, Lotrafilcon B multifocal contact lenses, CLEAR CARE®
- Where
- 8 sites in United States
- Volunteers
- 101 people
- Sponsor
- Alcon Research
Cataract, Corneal Astigmatism
Clinical Investigation of Two Tecnis Investigational Lenses
This study is a 6-month, prospective, multicenter, randomized (1:1:1), subject-masked and evaluator-masked, bilateral clinical investigation of the TECNIS IOL Models C1V000 and C2V000 versus the TECNIS Eyhance™ Model ICB00 IOL.
- Trial name
- NCT04890249
- Testing
- Investigational IOL Model C1V000, Investigational IOL Model C2V000, Control IOL Model ICB00
- Where
- 8 sites in Australia, New Zealand
- Volunteers
- 221 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Inflammation, Cataract Surgery
Clinical Efficacy of the Drug Ster® Compared With Predfort® in Control of Postoperative Inflammation in Cataract Surgery
Is the primary objective of this investigation to compare the clinical efficacy of the drug test - Ster ® (prednisolone 1% ophthalmic suspension - Union Chemicals) in the comparator - Fort ® Pred (prednisolone 1% ophthalmic…
- Trial name
- NCT01227876
- Testing
- Ster, Pred Fort
- Where
- Brazil
- Volunteers
- 106 people
- Sponsor
- Azidus Brasil
Myopia
Assessing the Performance of Lotrafilcon A Lenses During a Three Month Period
The purpose of this trial is to assess the performance of an investigational contact lens over a three month period.
- Trial name
- NCT00933166
- Testing
- Lotrafilcon A contact lens
- Volunteers
- 169 people
- Sponsor
- CIBA VISION
The Comparison of IOL Formulas in Eyes With PCE≥15um Undergoing Cataract Surgery
Comparison of IOL Formulas in Eyes With PCE≥15µm
The goal of this observational study is to evaluate the long-term refractive outcomes of advanced intraocular lens (IOL) power calculation formulas in cataract patients with posterior corneal elevation (PCE ≥ 15 μm).
- Trial name
- NCT07346456
- Testing
- Intraocular lens calculation formulas
- Where
- China
- Volunteers
- 102 people
- Sponsor
- Second Affiliated Hospital of Xi'an Jiaotong University
Lowe Syndrome
Genetic Analysis of Oculocerebrorenal Syndrome of Lowe
This study will investigate the genetic basis of oculocerebrorenal syndrome of Lowe (OCRL)-a rare X-linked disorder (carried by females and passed to males).
- Trial name
- NCT00359515
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.