Clinical trials: Lens Disease
Cataract
IOLMASTER 700 Central Topography Workflow Study.
The use of ocular biometers like IOLMaster 700, is a common practice to identify several ocular parameters such as the keratometry of the cornea and the axial length of the eye, which are necessary for calculating the power of…
- Trial name
- NCT04875247
- Testing
- IOLMaster 700 with central topography, IOLMaster 700 without central topography plus Cassini, IOLMaster 700 without central topography plus Pentacam
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- OFTALVIST (Oftalmología Vistahermosa S.L)
Migraine
Use of the Avulux® Lenses as an Aid in Reducing the Impact of Migraine Headaches
The purpose of this research is to assess how well the Avulux® migraine lenses work in reducing the impact of migraine headaches as measured by improvement in an 11-point pain scale after two and four hours of device application…
- Trial name
- NCT04341298
- Testing
- 11-point pain scale, Headache diary, Avulux®
- Where
- 3 sites in United States
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Avulux, Inc.
Cataracts, Lens Opacities
Occupational Cataracts and Lens Opacities in Interventional Cardiology : the O'CLOC Study
The purpose of this study is to test the existence of an increased risk of cataracts among interventional cardiologists as compared to cardiologists not exposed to X-rays.
- Trial name
- NCT01061463
- Where
- France
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Sophie JACOB
Myopia, Progressive
Myopia-control Efficacy by Peripheral Defocus Lens (PDL)
The proposed study below aims to assess the effect of customized Bestivue PDL lenses on retinal image quality and myopia control. A total of 160 subjected would be enrolled in and randomized to allcoate into four groups.
- Trial name
- NCT05373693
- Testing
- Single vision lens, +2D PDL, +3D PDL
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Refractive Error, Presbyopia
Multifocal Lens Design Evaluation
The purpose of this study was to compare binocular high contrast, high illumination (HC/HI) visual acuity at near (40 centimeters) of new multifocal contact lenses against AIR OPTIX® AQUA MULTIFOCAL contact lenses when worn for 9…
- Trial name
- NCT01997216
- Testing
- Delefilcon A multifocal contact lens, Lotrafilcon B multifocal contact lens
- Volunteers
- 42 people
- Sponsor
- Alcon Research
Meibomian Gland Dysfunction, Cataract
Efficacy of LipiFlow in Patients Affected by Meibomian Gland Dysfunction in Reducing Post-cataract Surgery Dry Eye
Dry Eye Disease (DED) is a disease of the ocular surface which may be secondary to a variety of causes, including cataract surgery.
- Conditions
- Meibomian Gland Dysfunction, Cataract, Surgery--Complications, Dry Eye
- Trial name
- LIPICAT (NCT05062564)
- Testing
- LipiFlow Thermal pulsation system, Eyelid warm compresses plus massages
- Where
- Italy
- Volunteers
- 46 people
- Sponsor
- Azienda Ospedaliero-Universitaria Careggi
Myopia
Daytime Corneal Swelling During Wear of Narafilcon B Lenses
The purpose of this research is to measure daytime open-eye response to wearing of narafilcon B lenses.
- Trial name
- NCT01444287
- Testing
- narafilcon B, Polymacon, Lotrafilcon A
- Where
- Australia
- Volunteers
- 22 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Cataract
Posterior Assisted Levitation of Dropped Nucleus
Dropping of nucleus is a common complication during cataract extraction by phacoemulsification. The investigators describe a new technique to retrieve the dropped nucleus by using an instrument called Pars Plana Levitator…
- Trial name
- PAL (NCT00974844)
- Where
- Pakistan
- Volunteers
- 14 people
- Sponsor
- Dow University of Health Sciences
Cataract, Astigmatism
Clinical Evaluation of Toric Intraocular Lens
Evaluate efficacy and safety of the toric IOL implanted into aphakic eye with corneal astigmatism after cataract surgery.
- Trial name
- NCT03242486
- Testing
- toric intraocular lens
- Volunteers
- 64 people
- Sponsor
- Nidek Co. LTD.
IOL, Cataract
The Clinical Importance of Angle Alpha by Multifocal Intraocular Lenses.
Purpose: to evaluate the effect of visual axis positioning on the optical performance of the Tecnis MIOL and the Diff-aA MIOL.
- Trial name
- NCT04274088
- Testing
- Cataract surgery
- Volunteers
- 65 people
- Sponsor
- Hospital Hietzing
Post Concussion Symptoms
Evaluating Altius Tinted Contact Lenses as an Option Managing for Post-Concussion Visual Syndrome
This pilot study evaluates whether ALTIUS® daily disposable performance-tinted contact lenses provide symptom relief comparable to tinted spectacle lenses in adults with post-concussion visual syndrome.
- Trial name
- NCT07869927
- Testing
- ALTIUS® daily disposable performance-tinted contact lenses
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Southern College of Optometry
Cataract, Pseudoexfoliation Syndrome
Bromfenac to Reduce Inflammation in Patients With Pseudoexfoliation Syndrome After Cataract Surgery
OBJECTIVE To evaluate the efficacy of bromfenac ophthalmic solution 0.09% for reducing postoperative inflammation in eyes with pseudoexfoliation syndrome (PEX) undergoing cataract surgery and receiving standard postoperative eye…
- Trial name
- REPEX (NCT02137161)
- Testing
- Dexamethasone+Tobramycin eye drop, Bromfenac eye drop
- Where
- Italy
- Volunteers
- 62 people
- Sponsor
- Azienda USL Reggio Emilia - IRCCS
Presbyopia, Refractive Error
Dispensing Study to Assess the Visual Performance of Optimised Prototype Contact Lenses
The aim of this study is to assess the visual performance of multiple optimised prototype soft contact lens designs compared to commercially available contact lenses.
- Trial name
- NCT02484586
- Testing
- Etafilcon A, Nelfilcon A, Nesofilcon A
- Where
- Australia
- Volunteers
- 161 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Cataracts
Comparison of Two Phacoemulsification-methods: HF EasyTip 2.2mm vs. HF EasyTip 2.8mm
The aim of this study was to compare the intraoperative efficiency, safety and postoperative outcomes of cataract surgery with two different "high-fluidic" settings.
- Trial name
- NCT01936740
- Testing
- cataract surgery
- Where
- Austria
- Volunteers
- 50 people
- Sponsor
- Medical University of Vienna
Cataract, Pseudophakia
Retrospective, Non-interventional Clinical Investigation of the Safety and Performance of 640AD Monofocal Intraocular Lens
Medicontur hydrophilic posterior chamber monofocal intraocular lens (IOL) is indicated to improve vision at far distance in adults with cataract and/or ametropia (hyperopia, myopia), secondarily to removal of the crystalline…
- Trial name
- NCT06578910
- Testing
- Standard of care, Patient satisfaction questionnare
- Where
- Hungary
- Volunteers
- 80 people
- Sponsor
- Medicontur Medical Engineering Ltd
Intraocular Lens Calculation, Combined Phaco-vitrectomy
Intraocular Lens Power Calculation for Combined Phaco-vitrectomy Procedures
The aim of the study is to evaluate the degree of refractive error postoperatively in combined procedures and to calculate a new constant in order to improve current state of the art biometry calculations.
- Trial name
- NCT03856346
- Testing
- Biometry
- Where
- Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Cantonal Hospital of St. Gallen
Diabetes, Cataract
Healing of Corneal Incision After Cataract Surgery in Diabetic Patients
The objective of this observational study was to understand the healing of corneal incision after cataract surgery in diabetic patients and its influencing factors.
- Trial name
- NCT07076420
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Zhongnan Hospital
Sjögren's Syndrome
MSCohi-O Lenses for Ocular Involvement in Sjögren's Syndrome
This study is aSingle-center, multiple-dosing, prospective, nonrandom, single-arm trial.
- Trial name
- NCT07185139
- Testing
- MSCohi-O Lenses
- Volunteers
- 12 people
- Sponsor
- Guangdong ProCapZoom Biosciences Co., Ltd.
Myopia
Evaluation of Deposits on Contact Lenses Worn Extended Wear
The purpose of this study was to measure lipid deposits on commercially marketed contact lenses when worn on an extended wear (overnight) basis for 7 days.
- Trial name
- NCT00725530
- Testing
- balafilcon A contact lens (PureVision), etafilcon A contact lens (Acuvue2)
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Alcon Research
Primary Open Angle Glaucoma, Pseudoexfoliative Glaucoma
Phacotrabeculotomy Versus CCI+Phaco in Patients With Borderline Control of Intraocular Pressure
The purpose of the study is to determine whether combined cataract and glaucoma surgery (phacotrabeculotomy)is more effective in lowering intraocular pressure than cataract surgery alone in patients with borderline control of…
- Trial name
- NCT00346931
- Testing
- Phacoemulsification, implantation of intraocular lens, Phacoemulsification, Implantation of IOL, trabeculotomy
- Volunteers
- 9 people
- Sponsor
- Medical University of Vienna
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