Clinical trials: Lens Disease
Dementia, Depression
Vegetarian Diet and Chronic Degenerative Diseases
To investigate the prospective association between a vegetarian diet and chronic degenerative diseases in two cohorts of Taiwanese Buddhists
- Conditions
- Dementia, Depression, Cardiovascular Diseases, Stroke
- Trial name
- NCT03470584
- Testing
- Diet Exposure
- Where
- Taiwan
- Volunteers
- 18,064 people, healthy volunteers welcome
- Sponsor
- Dalin Tzu Chi General Hospital
Grass Pollen Ocular Allergy
The Role of Daily Disposable Contact Lenses in Ocular Allergy
Patients with seasonal allergic conjunctivitis are normally advised to avoid contact lens wear when they are having symptoms. However, modern soft contact lenses which are disposed of daily offer the potential to protect and…
- Trial name
- NCT01125540
- Testing
- Acuvue (Standard Daily Disposable Contact Lens), CIBA Dailies Aquacomfort Plus (Contact Lens - enhance lubricating)
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Aston University
Dry Eye, Meibomian Gland Dysfunction
Crosslinked Hyaluronic Acid With Liposomes and Crocin in Dry Eye
A total of 50 eyes were analyzed (25 patients). The subjects selected were over 18 years of age. No gender distinction was made in the choice of subjects. All subjects were carriers of silicone hydrogel contact lenses.
- Conditions
- Dry Eye, Meibomian Gland Dysfunction, Dry Eye Syndromes
- Trial name
- NCT03617315
- Testing
- Hylauronic Acid
- Where
- Spain
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Seville
Presbyopia
Volumetric Visual Fields at Intermediate and Near Distances in Presbyopic Patients Using Occupational and General-Purpose Progressive Addition Lenses
This single-center, randomized, double-blind, crossover clinical trial aims to compare the volumetric visual fields provided by two occupational progressive addition lenses (OPLs) optimized for intermediate and near vision in…
- Trial name
- CIVIUS2025PAL (NCT07617090)
- Testing
- OPAL PC assesment, OPAL Office assessment, PAL assesment
- Where
- 2 sites in Spain
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Seville
Myopia
Multi-Centre Clinical Evaluation Of Two Daily Disposable Contact Lenses
The purpose of this study is to compare the subjective performance for handling of two daily disposable contact lenses, stenfilcon A and etafilcon A.
- Trial name
- NCT01707238
- Testing
- etafilcon A, stenfilcon A
- Where
- 7 sites in United Kingdom
- Volunteers
- 100 people
- Sponsor
- CooperVision, Inc.
Cataract
Effect of Artificial Tears on Biometry
The purpose of this study is to determine if measurements for cataract surgery are improved with use of additional lubrication with artificial tears.
- Trial name
- NCT04230720
- Testing
- Systane Complete
- Where
- United States
- Sponsor
- Weill Medical College of Cornell University
Cataract, Macula Edema
Intraoperative Berger Space Imaging (IBSI)
The investigational device is an approved femtosecond laser (FSL) device with an integrated imaging system to perform certain steps of the cataract procedure.
- Trial name
- IBSI (NCT04775849)
- Testing
- Femtosecond Laser
- Where
- Austria
- Volunteers
- 80 people
- Sponsor
- Medical University of Vienna
Fuchs Dystrophy, Cataract
The Evaluation of Balanced Salt Solution During Cataract Surgery
This study aims to identify if the use of BSS PLUS® Sterile Intraocular Irrigating Solution as an irrigation solution leads to improved corneal outcomes vs BSS® Sterile Irrigating Solution in more compromised corneas.
- Trial name
- NCT05853978
- Testing
- BSS Plus, BSS
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Adam Fedyk, MD, FACS
Cataract
The Pathogenesis of Human Senile Cataract
To study the pathological mechanism of cataract by genomics, transcriptomics, and proteomics.
- Trial name
- NCT03907358
- Testing
- phacoemulsification
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Presbyopia
Handling Comparison Between Two Contact Lens Types
Subjects will evaluate each study lens in a random order. The lenses will be worn in both eyes for a short period.
- Trial name
- NCT02310126
- Testing
- etafilcon A (multi-focal), etafilcon A (sphere)
- Where
- 8 sites in United States
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Visual Outcome and Visual Quality After Bilateral Implantation of the AcrySof® IQ IOL Compared to MI60® and Tecnis® IOL
The objective of the study is to compare the visual outcomes of three aspheric monofocal intraocular lenses after cataract surgery - ACRYSOF® IQ, Tecnis® and Akreos® MI60.
- Trial name
- NCT00760058
- Testing
- AcrySof® IQ IOL, Tecnis® Aspheric intraocular lens, Akreos® MI60 intraocular lens
- Where
- United States
- Sponsor
- Alcon Research
Refractive Errors, Myopia
Correlation Between Preoperative Refraction and Anterior Segment Parameters With ICL Vault
This prospective non-comparative interventional study aims to analyse the pre-operative factors affecting the range of optimal ICL vaulting.
- Conditions
- Refractive Errors, Myopia, Myopic Astigmatism
- Trial name
- NCT05670626
- Testing
- Refractive Surgery
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Posterior Capsule Opacification, Cataract
Posterior Capsule Opacification Development With Two Different Intraocular Lenses
Age-related cataract is the main cause of impaired vision in the elderly population worldwide. The only treatment that can restore functional visual ability is cataract surgery where the opacified crystalline lens is removed by…
- Trial name
- MIPHY (NCT01734343)
- Testing
- HOYA iMics Y-60H, PhysIOL microAY
- Where
- Austria
- Volunteers
- 65 people
- Sponsor
- Medical University of Vienna
Myopia
An Evaluation of the Effectiveness of Dual Focus Soft Contact Lenses in Slowing Mypoia Progression
The purpose of this study is to determine whether a new type of soft contact lens with a unique optical design (dual focus) is effective at slowing the progression of myopia (near-sightedness) in children.
- Trial name
- NCT01729208
- Testing
- Dual Focus Soft Contact Lens, Single Vision Soft Contact Lens
- Where
- 4 sites in Canada, Portugal and 2 more
- Volunteers
- 144 people
- Sponsor
- CooperVision, Inc.
Cataract
Effect of Anti-inflammatory Topical Prednisolone, Nepafenac and Ketorolac in Intra-operative Mydriasis in Facetectomies
The main objective of this study is to compare the effect of preoperative use of anti-inflammatory topical prednisolone acetate 1%, nepafenac 0.1% and ketorolac tromethamine 0.4% of, plus a placebo, in maintaining the…
- Trial name
- NCT00865540
- Testing
- prednisolone acetate 1%, ketorolac tromethamine 0.4%, nepafenac 0.1%
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Clinica Oftamologica Zona Sul
Cataract, Presbyopia
A Clinical Evaluation of the LensGen Intraocular Lens
A multi-center, open-label, non-comparative clinical trial to assess the safety and efficacy of the LensGen IOL (Juvene IOL) for the treatment of aphakia and presbyopia after removal of the natural crystalline lens due to…
- Trial name
- Grail (NCT05364658)
- Testing
- Juvene IOL
- Where
- 2 sites in Mexico
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- LensGen, Inc.
Pre-myopia, Myopia
Managing Premyopia in Chinese Children Using Artificial Intelligence Assisted Defocus Incorporated Multiple Segments Based Spectacle Lens: a Randomized Controlled Clinical Trial
Pre-myopia refers to a condition in which children have not yet developed myopia but exhibit insufficient hyperopic reserve (≤ +0.75 D).
- Trial name
- NCT07765550
- Testing
- Artificial Intelligence Assisted DIMS based Spectacle Lens, Smartwatches
- Where
- China
- Volunteers
- 128 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Cataract, Cornea
Agreement and Accuracy of Different Devices for Biometry Measurements in Patients With Cataract
The rationale of this study is to compare repeatability, reproducibility and agreement of three different AS-OCT devices and Pentacam.
- Conditions
- Cataract, Cornea, Surgery
- Trial name
- Comparison (NCT04323358)
- Testing
- Biometry, Keratometry
- Where
- Austria
- Volunteers
- 50 people
- Sponsor
- Medical University of Vienna
Myopia
Clinical Comparison of Two Daily Disposable Silicone Hydrogel Soft Contact Lens
The objective of this study is to evaluate a new daily disposable silicone hydrogel soft contact lens by comparing to an existing daily disposable soft contact lens.
- Trial name
- NCT02676258
- Testing
- Si-Hy (olifilcon B), Vistakon (narafilcon A)
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Visco Vision Inc.
Cataract, Lens Opacities
Rotational Stability Analysis of a Toric Monofocal IOL
This is a single-center, prospective PMCF study whereby patients undergoing routine cataract surgery will have monolateral implantation of hydrophilic monofocal toric intraocular lens Ankoris.
- Conditions
- Cataract, Lens Opacities, Astigmatism
- Trial name
- PHY2013 (NCT04933487)
- Testing
- IOL implantation experimental
- Where
- Germany
- Volunteers
- 23 people
- Sponsor
- Beaver-Visitec International, Inc.
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