Clinical trials: Error, Refractive
Myopia
Clinical Evaluation of a Myopia Control Lens in Slowing Myopia Progression.
This is a mono-centre, prospective, one-arm, unmask clinical trial to evaluate the effectiveness of test lens in slowing myopia progression with respect to axial length elongation compared to a single vision spectacle lens from…
- Trial name
- NCT05534022
- Testing
- Test myopia control lenses (BSL)
- Where
- Singapore
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Essilor International
Ptosis, Macular Degeneration
Comparing Vision Tests in a Virtual Reality Headset to Existing Analogues
The purpose of this study is to compare the results of vision tests that are algorithmically derived and delivered through a virtual reality headset with those delivered through the existing technology standards (eg.
- Conditions
- Ptosis, Macular Degeneration, Ametropia
- Trial name
- RTS1 (NCT04714424)
- Testing
- Virtual Reality Headset
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Presbyopia
A Dose-ranging Study to Evaluate the Safety and Efficacy of UNR844 in Subjects With Presbyopia.
Study of safety and efficacy of UNR844 in subjects with presbyopia.
- Trial name
- READER (NCT04806503)
- Testing
- UNR844
- Where
- 20 sites in United States, Australia and 2 more
- Volunteers
- 234 people
- Sponsor
- Novartis Pharmaceuticals
Refractive Error
International Multicenter Study on SMILE Surgery
The purpose of this study is to carry out an international multicenter trial to get more convincing and valuable results of the SMILE surgery and compare the outcomes between the SMILE surgery and the FS-LASIK (femtosecond laser…
- Trial name
- NCT02844556
- Testing
- SMILE surgery, FS-LASIK surgery
- Where
- China
- Volunteers
- 1,000 people
- Sponsor
- Tianjin Eye Hospital
Astigmatism
Evaluation of Visual Acuity of the Envista One-piece Acrylic Toric IOL MX60ET
The primary objective of this study is to evaluate rotational stability and functional improvements in visual acuity of the enVista monofocal Toric IOL (MX60ET) following cataract surgery.
- Trial name
- NCT05739656
- Testing
- CATARACT SURGERY
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Bausch & Lomb Incorporated
Visual Impairment, Refractive Error
Frequency of Visual Impairment Among School Children and Effectiveness of mHealth Referral Reminder on Uptake of Referral Services
This study tested whether mobile health (mHealth) tools can affect referral uptake among schoolchildren with vision problems.Visual impairment in children often goes untreated in low- and middle-income countries, even when…
- Trial name
- NCT06616051
- Testing
- Multicomponent SMS reminder
- Where
- Pakistan
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Syed Fawad Mashhadi
Myopia
Clinical Evaluation of the Safety and Efficacy of Yung Sheng 38% Color Contact Lens
This was a single group, open-label clinical study to assess the safety and efficacy of Yung Sheng 38% color contact lens for vision correction.
- Trial name
- NCT06128473
- Testing
- Soft Contact Lens
- Volunteers
- 71 people
- Sponsor
- Yung Sheng Optical Co., Ltd.
Visual Fatigue, Myopia
Exploring the Impact of Dynamic Defocus Display Schemes on Ocular Health Indicators
The present study is designed to explore the effects of dynamic defocus display technology on ocular health parameters using rigorous scientific approaches.
- Trial name
- NCT07291856
- Testing
- Dynamic Defocus Mode
- Where
- China
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Myopia
Atropine Eyedrops for Myopia Progression in Children and Adolescents (MODERATO STUDY)
Myopia, or shortsightedness, is a multifactorial disorder, governed by environmental and genetic factors. Myopia is the most common ocular disorder worldwide with an increasing prevalence over the past few decades and affecting…
- Trial name
- MODERATO (NCT07028827)
- Testing
- 0.05% atropine eye drops, 0.025% atropine eye drops
- Where
- 11 sites in Albania, Italy and 3 more
- Volunteers
- 234 people
- Sponsor
- Ocus Innovation Ireland Limited
Myopia, Left Eye
Short Term Refractive and Ocular Parameter Changes After Topical Atropine
In order we had designed a prospective clinical trial. Spherical equivalent refractive error (SER), axial length (AL), mean keratometric value (Mean-K), anterior chamber depth (ACD), and intraocular pressure (IOP) were measured…
- Trial name
- NCT03839888
- Testing
- 0.125% Atropine
- Volunteers
- 96 people
- Sponsor
- Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation
Myopia, Mental Health
Intervention for Preventing Myopia and Multimorbidity in Children
This study aims to develop and evaluate a scalable, hybrid intervention model for the co-prevention of myopia, obesity, and mental health issues among children.
- Conditions
- Myopia, Mental Health, Cardiovascular Health Status
- Trial name
- NCT07294222
- Testing
- Standard School Health Education, Multi-component Health Promotion Package
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao
Myopia
Comparison of Somofilcon A Daily Disposable Test Contact Lens and Somofilcon A Daily Disposable Control Contact Lens
The purpose of this study is to investigate the overall clinical performance of the somofilcon A daily disposable test soft contact lens compared to the somofilcon A daily disposable control soft contact lens.
- Trial name
- NCT03372551
- Testing
- somofilcon A 1 day test lens, somofilcon A 1 day control lens
- Where
- Canada
- Volunteers
- 36 people
- Sponsor
- CooperVision, Inc.
Cataract, Astigmatism
Toric Intraocular Lenses for Cataract Patients in the NHS
To assess visual performance, refractive outcome, and patient satisfaction with the use of "off the shelf" toric lenses, with a set cylindrical correction of 2.00 or 4.00 diopters, and combined limbal relaxing incisions and/or…
- Conditions
- Cataract, Astigmatism, Cornea
- Trial name
- NCT04122651
- Testing
- 'Off the shelf' toric lens, Tailored Toric lens
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
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
Comparative Study to Evaluate the Cosmetic Appearance of Two Brands (Coopervision (CVI) vs. Competitor) of Color Soft Contact Lenses.
Comparative Study to Evaluate the Cosmetic Appearance of Two Brands (Coopervision (CVI) vs. Competitor)of Color Soft Contact Lenses
- Trial name
- NCT02299869
- Testing
- Verde (Competitor-control), Green (CVI-test), Cinza (Competitor-control)
- Where
- Mexico
- Volunteers
- 41 people
- Sponsor
- CooperVision, Inc.
Presbyopia, Myopia
Intrastromal Correction of Ametropia by a Femtosecond Laser
This study evaluates the intrastromal correction of ametropia with a femtosecond laser made by 20/10 PERFECT VISION. This laser generates a beam of ultrashort, infrared pulses which enables very precise cuts in the cornea.
- Conditions
- Presbyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- ISCAF (NCT00928122)
- Testing
- Intrastromal Correction of Presbyopia, Intrastromal correction of Myopia, Intrastromal Correction of Hyperopia
- Where
- 3 sites in Germany
- Volunteers
- 200 people
- Sponsor
- 20/10 Perfect Vision
Myopia, Children
Study of Atropine Therapeutic Effect on Myopic Progression
This study is to evaluate the therapeutic effect and safety of LPTAT in children with myopia.
- Trial name
- STAMP (NCT05529056)
- Testing
- Atropine Sulfate 01, Atropine Sulfate 02, Atropine Sulfate 03
- Where
- 15 sites in South Korea
- Volunteers
- 472 people
- Sponsor
- LitePharmTech Co., Ltd.
Ametropia, Myopia
Apioc Contact Lens Feasibility
This clinical trial will document the feasibility of the Apioc lens design by assessing which lens shape parameters yield successful on-eye-fit and movement of the Apioc contact lens design and evaluate the subjectively-reported…
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT03688672
- Testing
- Apioc Contact Lens Design
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Lentechs, LLC
Cycloplegia
Cycloplegic Refraction Among Children
The primary outcome of this study is to compare cyclopentolate 1% and tropicamide 1% for cycloplegic refractions in pediatric populations.
- Trial name
- NCT05442801
- Testing
- Cyclopentolate, Tropicamide
- Where
- Jordan
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Islamic Hospital, Jordan
Myopia
Evaluation of Visual Performance With Contact Lenses
This study will evaluate the influence of contact lens optical design on visual performance using standard and multifocal soft contact lenses (MFCLs).
- Trial name
- NCT03705130
- Testing
- Single Vision Contact Lens, Multifocal Contact Lens 1, Multifocal Contact Lens 2
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Houston
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