Clinical trials: Refractive Error - Myopia
Presbyopia, Ametropia
Clinical Trial With Artiflex Presbyopic (Artiplus)
The purpose of this clinical trial is to evaluate the effectiveness and safety of the multifocal Artiflex Presbyopic (Artiplus) intraocular lens.
- Conditions
- Presbyopia, Ametropia, Refractive Errors, Myopia
- Trial name
- NCT04632784
- Testing
- Artiflex Presbyopic (Artiplus) implantation
- Where
- 7 sites in South Korea, Spain
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Ophtec BV
Presbyopia
Trial of the PresView Implant for the Improvement of Near Vision in Presbyopic Patients
Study to determine the effectiveness of the PresVIEW Scleral Implant to improve near vision in patients who require reading glasses
- Trial name
- NCT01933750
- Testing
- PresVIEW Device Implantation
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Refocus Ocular Europe, B.V.
Myopia
Myopia Control With Novel Eye Drops
Myopia currently affects 30% of the world and by 2050, almost 50% of the world will be myopic based on conservative estimates.1 In 2050, this will equate to almost 5 billion people with myopia, and those with high myopia will…
- Trial name
- NCT04301323
- Testing
- BHVI1 eye drops, BHVI2 eye drops, BHVI3 eye drops
- Where
- Vietnam
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- Hai Yen Eye Care
Myopia, Pre-myopia
A Pilot Evaluation of Refractive Error Progression in Pre-Myopic Children in Singapore With and Without Myopia Control Spectacles
This study aims to find out whether ZEISS MyoActive lenses can help prevent short-sightedness from developing in children. We aim to recruit at least 50 children in total for this study.
- Trial name
- NCT07779941
- Testing
- Zeiss MyoActive lenses, Single Vision Lenses
- Where
- Singapore
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Myopia, Orthokeratology
Assessment of Corneal Biomechanics With the Corvis ST in Different Age of Myopia With Orthokeratology
The present research focused on the effect of the age for the corneal biomechanics of low and moderate myopia patients after wearing orthokeratology (OK lens). According to age, the included cases were divided into 3 groups.
- Trial name
- NCT05635526
- Where
- China
- Volunteers
- 134 people
- Sponsor
- Tianjin Eye Hospital
Myopia
Characterization of the Central and Peripheral Wavefront Aberration Profile in Pediatric Myopic Subjects
This is a 3-visit, single site, observational clinical study to evaluate the characterization of the central and peripheral wavefront aberration profiles in pediatric myopic subjects.
- Trial name
- NCT06075576
- Testing
- Intervention
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Errors
Study to Evaluate the Safety and Efficacy of HI-BRITE Large Diameter Rigid Gas Permeable Contact Lens
Study to evaluate the safety and efficacy of HI-BRITE large diameter rigid gas permeable contact lens (hexafocon b) test when worn on a daily wear basis in the correction of myopia/hyperopia/astigmatism/presbyopia/ and irregular…
- Trial name
- NCT02812316
- Testing
- HI-BRITE Large Diameter Rigid Gas Permeable Contact Lens
- Where
- Taiwan
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University Hospital
Myopia
Lens Wear Schedules and End-of-Day Comfort
The purpose of this study was to assess the impact of lens-free (recovery) intervals of varying lengths on end-of-day comfort and tear film changes with daily contact lens wear.
- Trial name
- INVERMERE (NCT01433549)
- Testing
- Lotrafilcon B, Senofilcon A
- Where
- Canada
- Volunteers
- 44 people
- Sponsor
- CIBA VISION
Myopia
Algorithm for Vertical Placement of Implantable Collamer Lens
The objective is to develop and evaluate an algorithm for implantable collamer lens (ICL) sizing that uses high frequency ultrasound biomicroscopy (UBM) for vertical placement.
- Trial name
- NCT05265637
- Testing
- Visian
- Where
- Canada
- Volunteers
- 14 people
- Sponsor
- Valley Laser Eye Centre
Myopia
Guangzhou Outdoor Activity Longitudinal Study
The purpose of this study is to assess whether outdoor activities are effective in preventing the development and progression of juvenile-onset myopia in Chinese children.
- Trial name
- NCT00848900
- Testing
- Outdoor activity
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Sun Yat-sen University
Myopia
Myopia:the Role of Cone Opsin Mutations & Glasses That Control Axial Elongation
1. To determine the effect of spectacles with a red blocking filter on myopia progression in children. 2. To determine the effect of spectacles with a holographic diffuser that spreads incident light rays over an angle of 0.5…
- Trial name
- NCT01923675
- Testing
- Spectacles with red-blocking tint, Spectacles with holographic diffuser and color neutral tint, Spectacles with holographic diffuser and red-blocking tint
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Washington
Presbyopia
A Prospective Study to Evaluate the Raindrop Near Vision Inlay in Presbyopic Patients With Treatments to Optimize the Ocular Surface Before Implantation
The objective of this study is to evaluate the Raindrop® Near Vision Inlay for the improvement of near vision in presbyopic patients with treatments to optimize the ocular surface before corneal inlay surgery.
- Trial name
- NCT03126877
- Testing
- Mitomycin C, Raindrop Near Vision Inlay
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Whitten Laser Eye
Myopia, Myopic Astigmatism
A Study of Artificial Intelligence Assisted Small Incision Lenticule Extraction (SMILE) for Surgical Design and Influencing Factors
The goal of this observational study is to learn about the difference of refractive outcomes between Artificial Intelligence and experienced surgeon predicting Nomogram assist SMILE surgical design and the influenced factors of…
- Trial name
- NCT06229301
- Testing
- AI-predicted Nomogram
- Where
- China
- Volunteers
- 3,000 people
- Sponsor
- Tianjin Eye Hospital
Myopia, Healthy
Proteomic Analysis on Myopic Children Using Orthokeratology Lenses With Good or Poor Myopic Control
The key objective of the study is to gain an understanding of the biochemical processes that contribute to orthokeratology lenses being more effective in specific individuals compared to others.
- Conditions
- Myopia, Healthy, Orthokeratology
- Trial name
- ProMOC (NCT06647472)
- Where
- Denmark
- Volunteers
- 20 people
- Sponsor
- Vejle Hospital
Myopia
A Clinical Comparison of Three Soft Daily Disposable Contact Lenses
This study aims to compare the clinical performance of the somfilcon A, nelfilcon A II 2 and omafilcon A II 2 daily disposable contact lenses.
- Trial name
- NCT02920983
- Testing
- somofilcon A, nelfilcon A II 2, omafilcon A ll 2
- Where
- United Kingdom
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia; Refractive Error
Measuring Changes In Choroidal Thickness Induced By Prototype Soft Contact Lenses Worn For 1 Hour
The objective of the study is to evaluate the short-term change in choroidal thickness induced by 3 prototype soft contact lenses for people with myopia.
- Trial name
- ARCTIC (NCT07155551)
- Testing
- Lens A, Lens B, Lens C
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- Myoptechs, Inc
Myopia, Myopia; Astigmatism
Assessment of IOP After Corneal Refractive Surgery Based on AI
Significance, Background, and Current Status Studies show the global average prevalence of myopia is 22%, with hyperopia incidence being similar.
- Conditions
- Myopia, Myopia; Astigmatism, Refractive Surgery, Intraocular Pressure Changes
- Trial name
- AIOP-CRS-AI (NCT07544615)
- Where
- China
- Volunteers
- 10,030 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Refractive Error - Myopia Bilateral
Study to Evaluate the Clinical Performance of Deseyne (Vifilcon C) Daily Disposable Soft Contact Lens
This clinical study is to provide clinical performance data comparing the test lens (Deseyne [vifilcon C] daily disposable soft contact lens) to a control lens (1-Day Acuvue Moist [etafilcon A] daily disposable soft contact lens)…
- Trial name
- NCT05927753
- Testing
- Deseyne Daily Disposable Contact Lens (Test Device)
- Where
- 3 sites in United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Bruno Vision Care
Myopia, Anisometropia
Ocular Response Analyzer Assessment of Intraocular Pressure and Corneal Biomechanical Properties in Myopic and Anisometropic Patients Under Atropine Treatment
Our study has three parts has three parts, and the main aim of the study is to find out if corneal hysteresis was associated with myopia or even a predictor of myopia poor control predictor: Part 1 of our study: patients with…
- Trial name
- NCT00658502
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Myopia
Clinical Performance Comparison of Several Different Contact Lenses
The purpose of the study is to evaluate the possible benefits of second generation silicone hydrogel contact lenses.
- Trial name
- NCT00912028
- Testing
- senofilcon A, lotrafilcon B, balafilcon A
- Where
- 11 sites in Brazil
- Volunteers
- 71 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
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