Clinical trials: Eye--Refractive Errors
Myopia, Myopia, Progressive
Kubota Glass Parameter Refinement Study
Length of the eye will be measured in subjects exposed to various stimulus characteristics using an electronic spectacle which presents illuminated targets to the eye.
- Conditions
- Myopia, Myopia, Progressive, Vision Disorders
- Trial name
- NCT06085430
- Testing
- Kubota Glass
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Kubota Vision Inc.
Astigmatism
Corneal Astigmatism Measurement Study
To assess which commercially available measurement device is most accurate in measuring low (< 1.0 D) degrees of corneal astigmatism.
- Trial name
- NCT00818532
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Myopia, Orthokeratology
The Effect of Treatment Zone Decentration on Axial Length Elongation After Orthokeratology
Orthokeratology lens is an effective method for myopia control. This study analyzed the effects of treatment zone decentration on axial length elongation in adolescents with orthokeratology lens.
- Trial name
- NCT05365373
- Where
- China
- Volunteers
- 251 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Full Spectrum
A Self-controlled Study of the Effect of Partial Spectral Absence of Visible Light on the Pupil
Previous studies have shown that the spectrum of light influences myopia. LED lights with a partially absent light spectrum increase the risk of myopia progression compared to LEDs with a full spectrum, potentially mediated by…
- Trial name
- NCT06501131
- Testing
- full-spectrum light exposure, specific spectrum absence light exposure
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia
Phase I Clinical Trial to Evaluate the Safety and Tolerability of Ophtalmic Solution PRO-201
Evaluation of the safety and tolerability of PRO-201 (0.01% sulfate atropine) after its instillation on the ocular surface of healthy volunteers through the following variables: unexpected adverse events incidence and photophobia…
- Trial name
- PRO-201 (NCT05470881)
- Testing
- Atropine Sulfate
- Where
- Mexico
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Laboratorios Sophia S.A de C.V.
Cataract
Myopic Monovision: EDOF vs. Monofocal IOL
Comparison of EDOF IOLs versus monofocal IOLs with mini-monovision concerning intermediate and near visual acuity.
- Trial name
- NCT05194670
- Testing
- enhanced depth of focus IOL, monofocal IOL
- Where
- Austria
- Volunteers
- 62 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Myopia
Evaluation of Alcon Ladarvision Wavefront-Guided PRK
The purpose of this study is to: 1. determine the safety of wavefront guided PRK 2. evaluate the efficacy of wavefront guided PRK 3. evaluate the differences in visual quality after treatment of wavefront guided PRK
- Trial name
- NCT00412295
- Testing
- Alcon Ladarvision (Wavefront-guided PRK)
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Walter Reed Army Medical Center
Cataracts, Astigmatism
Investigation of Corneal Aberrations and Visual Outcomes in Patients Implanted With an AcrySof Toric Intraocular Lens (IOL)
A prospective evaluation of postoperative corneal aberrations and visual parameters (e.g. visual acuity) in patients implanted with an AcrySof Toric IOL.
- Trial name
- NCT00878839
- Testing
- Toric
- Sponsor
- Alcon Research
Cataract, Presbyopia
Multifocal Intraocular Lens x Monovision x Hybrid Monovision After Bilateral Cataract Surgery
To compare refractive outcomes and patient's visual quality after bilateral cataract surgery when implanting multifocal intraocular lens, monofocal with monovision or hybrid monovision.
- Trial name
- NCT02595177
- Testing
- Cataract surgery with intraocular lens implantation.
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Presbyopia, Myopia
APIOC for Presbyopia and APIOC for Presbyopia With Astigmatism
Vision and comfort, both objective and subjective, will be assessed for single vision contact lens wearers for either the APIOC™ for Presbyopia or the APIOC™ for Presbyopia Astigmatism contact lenses.
- Conditions
- Presbyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT04883099
- Testing
- APIOC for Presbyopia and APIOC for Presbyopia for Astigmatism
- Where
- 6 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC
Myopia
S.T.O.P.® Technology Contact Lenses Versus Dual-focus Contact Lenses for Slowing Down Myopia Progression in Children
To compare the rate of myopia progression of contact lenses utilising S.T.O.P.® technology against MiSight® contact lenses.
- Trial name
- NCT05243836
- Testing
- S.T.O.P® F2, S.T.O.P® DT, MiSight®
- Where
- 7 sites in China, India and 1 more
- Volunteers
- 441 people
- Sponsor
- nthalmic Pty Ltd
Presbyopia
The Light Sword Lens for Presbyopia Compensation
Clinical assessment of a new optical element for presbyopia compensation - the Light Sword Lens.
- Trial name
- NCT03716271
- Testing
- Visual Acuity Examination with a novel lens
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Military Institute od Medicine National Research Institute
Myopia
Evaluation of Short Term Use of Experimental Eye Drops BHVI2, 0.02% Atropine and BHVI2 Plus 0.02% Atropine Eye Drops
To assess the one-month ocular effects of nightly application of experimental BHVI2 and 0.02% atropine eye drops either alone or in combination, in children aged between 6 to 13 years old with myopia and randomized to use of…
- Trial name
- NCT03690414
- Testing
- Experimental BHVI2, Atropine sulfate 0.02% eye drops, Combination eye drops
- Where
- Vietnam
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Hai Yen Eye Care
Refractive Error
Fitting Children With Contact Lenses
The purpose of this three-month study is to compare the quality of life and ease of fit among children wearing investigational single-vision contact lenses, commercially marketed single-vision contact lenses, and commercially…
- Trial name
- COPPER (NCT01233089)
- Testing
- Lotrafilcon B contact lens, investigational, Lotrafilcon B contact lens, commercial (AIR OPTIX AQUA), Lotrafilcon B multifocal contact lens, commercial (AIR OPTIX AQUA MULTIFOCAL)
- Where
- Canada
- Volunteers
- 194 people
- Sponsor
- CIBA VISION
Myopia
Investigation of the Regulation of Retinal and Choroidal Blood Vessels in Various AL Based on WF SS-OCTA Detection With Changes in Body Position
This prospective observational study aims to understand the effects of different subaxial body positions on choroidal and retinal blood vessel density.
- Trial name
- NCT06587776
- Volunteers
- 60 people
- Sponsor
- Science and Technology Department of Sichuan Province
Myopia
Multi-center Clinical Evaluation of PC 1-Day vs 1-Day Acuvue Moist
The objective of this study is to compare the clinical performance of ProClear 1-Day versus 1-Day Acuvue Moist each for one week of daily disposable wear.
- Trial name
- NCT02024698
- Testing
- omafilcon A, etafilcon A
- Where
- 4 sites in United States
- Volunteers
- 43 people
- Sponsor
- CooperVision, Inc.
Myopia
Evaluation of the Efficacy of Red Light in Adult Patients With High and Extreme Myopia
This study, led by Jie ying from the Ophthalmology Department of Beijing Tongren Hospital Affiliated to Capital Medical University, is a researcher-initiated clinical trial (IIT) designed to evaluate the therapeutic efficacy of…
- Trial name
- NCT07412678
- Testing
- Red light, Single vision spectacle lenses
- Where
- China
- Volunteers
- 128 people
- Sponsor
- Beijing Tongren Hospital
Myopia
Efficacy of Myopia-control Lenses in a Population of Young Adults : the OPTIMA Study
The goal of this clinical trial is to learn if myopia-control eyeglass lenses (Essilor® Stellest® 2.0) can slow down the progression of short-sightedness (myopia) in young adults, compared with standard single-vision lenses.
- Trial name
- OPTIMA (NCT07804043)
- Testing
- Essilor® Stellest® 2.0 myopia-slowing lenses, Standard lenses
- Where
- France
- Volunteers
- 134 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Cataract
Evaluating Refractive and Visual Outcomes With the Alcon Toric ReSTOR +2.5 and +3.0 Models
The study will evaluate visual acuity and visual function with a 'blended' ReSTOR Toric intraocular lens (IOL) implantation after cataract surgery.
- Trial name
- NCT03856944
- Testing
- ReSTOR Toric
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Gainesville Eye Associates
Myopia
Low-dose Atropine for the Prevention of Myopia Progression in Danish Children
Myopia (nearsightedness) is increasing in prevalence throughout the world. It is associated with a risk of potentially blinding complications such as retinal detachment and myopic maculopathy.
- Trial name
- APP (NCT03911271)
- Testing
- 0.1% atropine and 0.01% atropine, 0.01% atropine, 0.9% Sodium-chloride
- Where
- 3 sites in Denmark
- Volunteers
- 97 people
- Sponsor
- Line Kessel
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