Clinical trials: Refractive Error - Myopia
Myopia, Astigmatism
Clinical Study to Evaluate Effectiveness of Digital Refraction
Prospective, comparative, randomized, non-masked clinical study to compare the a digital refraction with LogMAR VA testing utilizing trial lenses, to standard manual refraction using a Phoropter, and LogMAR VA testing, in…
- Trial name
- NCT03502863
- Testing
- Digital refraction, Manual Refraction
- Where
- 3 sites in United States
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Visibly
Presbyopia
Safety and Efficacy of an Intrastromal Transform™ Corneal Allograft (TCA) for Presbyopia Correction
The objective of this clinical study is to evaluate the safety and effectiveness of intrastromal implantation of the Allotex TransForm corneal allograft (TCA) for improving near vision in presbyopic subjects.
- Trial name
- NCT03671135
- Testing
- TCA Intrastromal Inlay
- Where
- 4 sites in Belgium, Ireland and 1 more
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- Allotex, Inc.
Myopia, Progressive
Stellest Lens Wear in Adult Progressing Myopes
It is expected that myopia progression stabilises in the late teenage years, however, some studies report that myopia progression continues through early adulthood in as many as one third of myopes.
- Trial name
- SWAP (NCT06520124)
- Testing
- Essilor® Stellest® spectacle lens, Single-vision spectacle lens
- Where
- United Kingdom
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Presbyopia, Myopia
Comparison of Two Multifocal Contact Lenses Worn on a Daily Disposable Basis
The purpose of this trial is to evaluate and compare the clinical performance of two multifocal contact lenses.
- Trial name
- NCT01254760
- Testing
- Nelfilcon A multifocal contact lens, investigational, Nelfilcon A multifocal contact lens, commercial
- Volunteers
- 79 people
- Sponsor
- CIBA VISION
Myopia
A Clinical Trial to Evaluate the Efficacy and Safety of Defocusing Lenses in Delaying Myopia Progression
The objective of this clinical trial was to evaluate the efficacy and safety of defocusing lenses for delaying myopia progression in children and adolescents.
- Trial name
- NCT06411717
- Testing
- Microstructure lens A, Microstructure lens B, Control group
- Where
- China
- Volunteers
- 156 people
- Sponsor
- Suzhou Care-Real Medical Technology Co., Ltd.
Juvenile Myopia
Control of Myopia Using Novel Spectacle Lens Designs
Randomized, controlled, multisite, subject-and observer-masked, 3-arm parallel group clinical trial of 36-month duration to evaluate the safety and efficacy of a novel spectacle lens design in reducing the progression of juvenile…
- Trial name
- CYPRESS (NCT03623074)
- Testing
- Novel spectacle lens design, Spectacle lenses
- Where
- 14 sites in United States, Canada
- Volunteers
- 266 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia
Prevention of Myopia of Prematurity by Calcium Supplementation
The purpose of this study is to determine if supplementation of calcium by the enteral route (gut feeding) to extremely low birth weight infants will lead to less myopia (nearsightedness) at 6-12 months postnatal age.
- Trial name
- NCT00892476
- Testing
- Calcium Supplementation, Standard of Care
- Volunteers
- 99 people
- Sponsor
- University of Alabama at Birmingham
Myopia, Myopia Progression
Contact Lenses to Slow Myopia Progression in Adults
Myopia (nearsightedness) can continue to worsen during young adulthood, increasing the risk of sight-threatening eye diseases later in life.
- Trial name
- NCT07747311
- Testing
- Dual Focus Soft Contact Lens, Single Vision Soft Contact Lens
- Where
- United States
- Volunteers
- 152 people
- Sponsor
- University of California, Berkeley
Refractive Errors, Myopia
Clinical Assessment of a HYDRAGLYDE® Regimen
The purpose of this study is to evaluate worn AIR OPTIX® plus HYDRAGLYDE® (AOHG) lenses cleaned and disinfected with HYDRAGLYDE® containing lens solutions compared to each of the control habitual silicone hydrogel (SiHy) lenses…
- Conditions
- Refractive Errors, Myopia, Hypermetropia
- Trial name
- NCT03026257
- Testing
- Lotrafilcon B contact lenses with added wetting agent, Samfilcon A contact lenses, POLYQUAD/ALDOX-preserved contact lens solution with added wetting agent
- Where
- 8 sites in United States, Canada and 1 more
- Volunteers
- 323 people
- Sponsor
- Alcon, a Novartis Company
Myopia and Hyperopia and Presbyopia
Evaluation of Product Performance of a New Silicone Hydrogel Multifocal Contact Lens
The objective of this study is to evaluate the product performance of a new silicone hydrogel daily disposable multifocal contact lens, the Bausch + Lomb (kalifilcon A) Daily Disposable Multifocal Contact Lens, when worn by…
- Trial name
- NCT05660577
- Testing
- new silicone hydrogel daily disposable multifocal contact lens, the Bausch + Lomb (kalifilcon A) Daily Disposable Multifocal Contact Lens
- Where
- 20 sites in United States
- Volunteers
- 301 people
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Clinical Comparison of Two Daily Disposable Lenses Among Daily Disposable Lens Wearers
The primary objective of this trial is to evaluate the subjective performance of two different daily disposable contact lenses in a population of daily disposable lens wearers.
- Trial name
- NCT01134211
- Testing
- nelfilcon A, filcon II 3
- Where
- Germany
- Volunteers
- 316 people
- Sponsor
- CIBA VISION
Cataract, Myopia
VCSEL Based Optical Swept Source Biometry
Optical interferometric biometry is a non-invasive and highly precise method for measuring eye length and intraocular distances. The method already exists as commercial devices (e.g. IOLMaster, Carl Zeiss Meditec AG).
- Trial name
- VBOB (NCT06551480)
- Testing
- Biometry
- Where
- Austria
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Rainer Leitgeb
Myopia
A Study to Evaluate the Product Feasibility of a New Silicone Hydrogel Contact Lens
The objective of this study is to determine the clinical feasibility and to evaluate the product performance of investigational contact lenses developed by Bausch + Lomb.
- Trial name
- NCT01412983
- Testing
- Bausch & Lomb Test lens, Ciba Vision soft contact lens
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Characterization of the Corneal Biomechanics of Patients Treated by Corneal Lenticule Extraction for Advanced Refractive Correction (CLEAR) to Correct Myopia
This study aims to perform biomechanical tests on extracted CLEAR lenticles that are routinely discarded after surgery. The investigators also aim to perform Brillouin microscopy to get an in-vivo assessment of the patient's…
- Trial name
- CLEAR Biomech (NCT04817592)
- Testing
- Corneal lenticule extraction for advanced refractive correction (CLEAR)
- Where
- Switzerland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Bern
Myopia
A Study to Evaluate the Safety and Efficacy of MSENC1 Soft Hydrophilic Contact Lenses and Oxypure Color Soft Hydrophilic Contact Lenses
This project is an open, parallel, randomly controlled, and non-inferiority clinical trial of MSENCI soft hydrophilic contact lenses with Oxypure color soft hydrophilic contact lenses used as the control product.
- Trial name
- NCT06616519
- Testing
- BenQ Materials MSENCI soft hydrophilic contact lenses, Visco Oxypure Color soft hydrophilic contact lenses
- Where
- China
- Volunteers
- 192 people
- Sponsor
- BenQ Materials Corporation
Myopia
Evaluation of Corneal Irregular Astigmatism and Visual Quality Following Bilateral Sequential Small Incision Lenticule Extraction (SMILE) and Laser Subepithelial Keratomileusis (LASEK): A Six-Year Comparative Study
To compare the corneal spherical component (SC), regular astigmatism (RA), irregular astigmatism (IA, including Asymmetry and Irregularity) and visual quality six years after small incision lenticule extraction (SMILE) and laser…
- Trial name
- SMILE LASEK (NCT06673992)
- Testing
- This study does not involve any interventions
- Where
- China
- Volunteers
- 71 people
- Sponsor
- Shanghai 10th People's Hospital
Myopic Astigmatism
Clinical Outcomes of Small-incision Lenticule Extraction (SMILE) Using Vector Planning Method.
In the past two decades, the femtosecond laser (FSL) technology has been introduced in the corneal refractive surgery filed, and brought a remarkable innovation.
- Trial name
- NCT03947944
- Testing
- SMILE using manifest refraction planning, SMILE using vector planning
- Where
- South Korea
- Volunteers
- 114 people
- Sponsor
- Yonsei University
Myopia (Disorder), Anisometropia
Children Receiving Monocular MiSight® 1 Day Treatment for Unilateral Myopia
This investigator-initiated prospective observational cohort study aims to establish the first longitudinal clinical database evaluating fellow-eye myopia development in children receiving monocular MiSight® 1 Day treatment for…
- Trial name
- NCT07778264
- Testing
- MiSight® 1 Day
- Volunteers
- 100 people
- Sponsor
- Buddhist Tzu Chi General Hospital
Amblyopia
Evaluation of a Smartphone Application, GoCheckKids™ as a Photo Screening Tool in a Pediatric Population
Objective: Prospective evaluation of GoCheckKids™, a smartphone application ('App') as a photo screening device in a pediatric population to detect amblyopia risk factors (ARFs) Method: Photorefraction images are captured using…
- Trial name
- NCT03119675
- Testing
- GoCheck Kids (iOS), GoCheck Kids (Windows)
- Volunteers
- 358 people
- Sponsor
- Gobiquity Mobile Health
Myopia
Effect of Increasing Time Spent Outdoors on Myopia Prevention in School-Aged Children in Northeast China
The purpose of this study is to develop a school-based intervention aimed at prevent the onset and development of myopia among school aged children by increasing time spent outdoors in northeast China.
- Trial name
- NCT02271373
- Testing
- increasing time spent outdoors
- Volunteers
- 3,521 people
- Sponsor
- Anhui Medical University
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