Clinical trials: Short-Sighted
Myopia
Contact Lens in Pediatrics (CLIP) in an Asian Population Study
To evaluate the safety, efficacy and physiological performance of daily disposable spherical and toric soft contact lenses in a vision-corrected population of children ages 8-11 years of age.
- Trial name
- CLIP (NCT00473304)
- Testing
- Johnson&Johnson Acuevue daily disposable lenses
- Where
- Singapore
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Cataract
Comparative Study of Three IOL Power Calculation Formulae for Asian Eyes Shorter Than 22mm or Longer Than 25mm
Implantation of an intraocular lens is the gold standard in modern day cataract surgery. The appropriate lens power needed to achieve the desired refractive outcome can be calculated with a whole variety of formulas.
- Trial name
- NCT00347516
- Testing
- IOL calculation formula
- Where
- Singapore
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Myopia
Comparing Relative Peripheral Refraction on Myopia Progression
The investigators will test our hypothesis that parameters on peripheral defocus can regulate eye growth: For instance, the relative peripheral refraction measured by Multispectral Refraction Topography (MRT) would be significant…
- Trial name
- CMPMRT (NCT06758843)
- Testing
- measure the axial length, visual acuity, and refraction at follow-up of 6- and 12-month
- Where
- China
- Volunteers
- 6,000 people, healthy volunteers welcome
- Sponsor
- Fuzhou Southeast Institute of Visual Ophthalmology
Safety Study
A Safety Study of IVMED-85 Ophthalmic Solution in Healthy Adults
The purpose of this trial is to determine the safety of IVMED-85 eye drops in healthy adult subjects. Participants will be assigned to either the active or vehicle eyedrop group.
- Trial name
- NCT07370584
- Testing
- IVMED-85 ophthalmic solution, Vehicle Ophthalmic Solution
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- iVeena Delivery Systems, Inc.
Eye, High Myopia
Evaluation of Eye Health Benefits of Black Tomato Extract
Verification of the efficacy of black tomato extract for eye health.
- Trial name
- NCT06412393
- Testing
- Black tomato extract powder
- Where
- Taiwan
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- TCI Co., Ltd.
Myopia
Myopia Progression Trial With Novel Myopia Control Design Spectacle Lenses
This is a mono-center, randomized, double-masked, cross-over study to evaluate rate of myopia progression with novel designed myopia control lens (test) compared to SVL (control).
- Trial name
- NCT04048148
- Testing
- Novel designed myopia control spectacle lenses
- Where
- Vietnam
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision Institute
Myopia
To Evaluate the Efficacy and Safety of Multifocal Soft Contact Lens in Myopia Control
The objective of this study is to investigate the efficacy and safety of soft lens in myopia control.
- Trial name
- NCT03413085
- Testing
- soft contact lens
- Where
- 3 sites in Taiwan
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Largan Medical Co., Ltd.
Soft Contact Lenses, Myopia
DAILIES TOTAL1 Versus ACUVUE TruEye - Effects on the Biology of the Ocular Surface and Lid Margin
This is a prospective, single center, randomized, bilateral crossover, dispensing clinical trial to evaluate the effects of the water gradient lens, DAILIES TOTAL1, on the biology of corneal epithelium over two months of daily…
- Trial name
- TruEyeTotal1 (NCT02347631)
- Testing
- Soft Contact Lens - Daily Disposable Alcon Dailies Total 1 and ACUVUE TruEye, Soft Contact Lens - Acuvue TruEye and Alcon DAILIES TOTAL 1.
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Myopia, Keratoconus
Assessment of Corneal Biomechanical Properties Using Corvis ST and ECD Following LASIK, PRK, CXL, Veriflex IOL and Implantable Collamer Lens
To evaluate corneal biomechanical changes using the Corvis ST and ECD in patients who have under-gone LASIK, PRK, corneal cross-linking (CXL), Veriflex IOL and ICL.
- Conditions
- Myopia, Keratoconus, Refractive Surgery
- Trial name
- NCT06818461
- Testing
- Corvis St Before and after lasik, PRK, CXL, Veriflex IOL and ICL
- Where
- Egypt
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Beni-Suef University
Refractive Error - Myopia Bilateral
Comparative Clinical Performance of 59% Hioxifilcon A Contact Lenses vs. Marketed Hydrogel Contact Lenses
The study will compare the short-term clinical performance and wearer and practitioner acceptability of a new-to-market spherical daily disposable (DD) hydrogel soft contact lens to a currently marketed spherical DD hydrogel soft…
- Trial name
- DDHyd (NCT04671108)
- Testing
- Hioxifilcon A standard hydrogel contact lens with Hyaluronic Acid (HA)
- Where
- 3 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Vision Service Plan
Myopia
A Real-world Study of 650nm Low-intensity Single-wavelength Red Light for Children and Adolescents
To evaluate the efficacy and safety of 650nm low-level red-light irradiation for myopia control and prevention in children under less restrictive conditions than randomized controlled trials.
- Trial name
- NCT05832723
- Testing
- 650 nm low-level red-light
- Where
- China
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Corneal Diseases
Screening Aid to Identify Corneas That May Have Pathologies or Other Conditions
The purpose of this study is to determine the ability of a proprietary software screening tool to discriminate normal corneas (front surface of the eye) from previously diagnosed corneal conditions…
- Trial name
- NCT00396188
- Where
- 4 sites in United States
- Volunteers
- 769 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec, Inc.
Myopia
MiSight 1 Day Safety Post-Approval Study
The purpose of this post-approval study is to confirm the safety of daily disposable soft contact lens wear among the intended patient population for the MiSight 1 Day lens in the US.
- Trial name
- NCT05285527
- Testing
- MiSight 1 Day
- Where
- 50 sites in United States, Canada
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Discontinuation of Orthokeratology on Eyeball Elongation in Myopic Children
The primary aim of this study is to compare eyeball elongation in existing ortho-k subjects who stop the treatment with subjects who continue ortho-k lens wear and control subjects wearing single-vision glasses.
- Trial name
- DOEE1 (NCT01236742)
- Testing
- ortho-k lenses, single-vision glasses
- Where
- China
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia, Astigmatism
Randomized, Prospective Comparison of the Outcome of Toric Implantable Contact Lens (TICL) and Q-LASIK for the Correction of Myopia With Astigmatism
The objective is to conduct a contralateral prospective clinical study to compare the safety, efficacy, and quality of vision of the STAAR Surgical Co.
- Trial name
- NCT01088568
- Testing
- the implantation of toric implantable collamer lens, customized laser-assisted in situ keratomileusis
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Myopia
Corneal Refractive Therapy Design Comparison for -4 to -6 Diopter Treatment for Overnight Wear for Myopia
The primary objective of this study is to compare the effectiveness of two proximity control geometry lens designs to treat eyes with pretreatment myopia between -4.00 and -6.00 D myopia with and without refractive astigmatism in…
- Trial name
- NCT05438615
- Testing
- Corneal Refractive Therapy-spherical, Corneal Refractive Therapy-aspherical
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Multi-Centre Clinical Evaluation of Two Reusable Soft Contact Lenses
The aim of this study is to compare the subjective performance of the comfilcon A contact lens against lotrafilcon B contact lens after 4 weeks of reusable lens wear.
- Trial name
- NCT02815735
- Testing
- comfilcon A, lotrafilcon B
- Where
- 9 sites in United Kingdom
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Retardation of Myopia in Orthokeratology
The primary aim of this study is to evaluate and compare the eyeball elongation in children wearing orthokeratology lenses and single-vision spectacles.
- Trial name
- ROMIO (NCT00962208)
- Testing
- orthokeratology lenses, single-vision spectacle lenses
- Where
- China
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Aging
Heart Aging When Near Vision Difficulty Begins
Near vision deterioration during aging results from a decrease in accomodation amplitude (AA). Myocardial regeneration is limited, and cardiac aging is an independent risk factor for cardiovascular disease.
- Trial name
- NCT04362215
- Testing
- Subjective accomodation amplitude measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Kecioren Education and Training Hospital
Axial Length, Myopia
Study of the Intervention Effect of Outdoor Activity Period Patterns in Promoting Myopia Among Preschool Children
This study is a randomized controlled trial based on outdoor activity interventions at specific time periods, involving preschool children aged 4 to 5 years.
- Trial name
- NCT06607640
- Testing
- Increase outdoor activity time during specific time periods
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao