Clinical trials: Myopia; Refractive Error
Myopia
The Effects of Different Outdoor Light Exposure Modes on Retinal Blood Flow
In 2020, the overall myopia rate among children and adolescents in my country was 52.7%. The COVID-19 pandemic has increased students' time of indoor eye-using, and it showed that the light exposure intensity of myopic students…
- Trial name
- NCT05594732
- Testing
- Weak outdoor light, Strong outdoor light
- Where
- China
- Volunteers
- 81 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia
A Dispensing Clinical of Fanfilcon A Lens Against Lotrafilcon B Lens Over 1 Month Wear Per Lens
This is a study to evaluate the performance of fanfilcon A lens when worn on a daily wear modality over approximately 1 month in comparison to the lotrafilcon B lens.
- Trial name
- NCT02716298
- Testing
- fanfilcon A, lotrafilcon B
- Where
- Canada
- Volunteers
- 49 people
- Sponsor
- CooperVision, Inc.
Myopia
Comparison Between FS- LASIK and FS-SMILE for Correction of Myopia and Myopic Astigmatism
Aim of the work is to compare the results of femtosecond assisted LASIK and small incision lenticule extraction (SMILE) as regards safety, efficacy and predictability.
- Trial name
- NCT02962544
- Testing
- FS-SMILE, FS- LASIK, Visumax device
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Kasr El Aini Hospital
Amblyopia
Prospective Evaluation of a Smartphone Application, GoCheckKids™, to Detect Amblyopia Risk Factors in Young Children
The objective is evaluation of GoCheck Kids, a smartphone application ('App'), for use as a photo screening device in a pediatric population to detect amblyopia risk factors (ARFs).
- Trial name
- NCT03447171
- Testing
- App Vision Screening
- Where
- United States
- Volunteers
- 207 people
- Sponsor
- Gobiquity Mobile Health
Myopia
Long Term Safety Protocol for the AcrySof CACHET Phakic Lens
The purpose of this long term safety study is to estimate the annualized endothelial cell loss (ECL) rate (for up to 10 years following date of implantation) of subjects previously implanted with the ACRYSOF CACHET Phakic…
- Trial name
- NCT01497067
- Testing
- ACRYSOF CACHET Phakic Lens (L-series)
- Where
- United States
- Volunteers
- 657 people
- Sponsor
- Alcon Research
Myopia
A Multi-center Study of the Effect of Orthokeratology on Myopia Progression
This is a prospective study to validate an algorithm for predicting the effect of orthokeratology on myopia progression in children from 8 hospitals in China.
- Trial name
- NCT04284111
- Testing
- Orthokeratology lenses
- Where
- 8 sites in China
- Volunteers
- 1,000 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia
A Comparison of Daily Disposable Contact Lenses.
This study seeks to evaluate the clinical performance of a new CE marked daily disposable contact lens that contains a wetting agent to a recently improved daily disposable contact lens.
- Trial name
- NCT00727558
- Testing
- nelfilcon A, narafilcon A
- Where
- 19 sites in United Kingdom
- Volunteers
- 248 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Myopia
To Study the Effects of Cordyceps Cicadae on Vision Care
Cordyceps cicadae is a traditional Asian herbal medicine with a variety of bioactive substances and curative effects similar to Cordyceps Cicadae, and it has been reported that anti-dry eye and eye protection ingredients can be…
- Trial name
- NCT05778409
- Testing
- Cordyceps cicadae extract
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Myopia
Potentiating Rural Investment in Children's Eyecare (PRICE)
The aim of the project is to create, study and advocate for a model that can be adopted by the Chinese government to provide spectacles for all children sustainable.
- Trial name
- PRICE (NCT02231606)
- Testing
- Free Glasses, Upgrade Glasses 1, Upgrade Glasses 2
- Where
- China
- Volunteers
- 10,234 people
- Sponsor
- Sun Yat-sen University
Refractive Error
Clinical Comparison of 4 Daily Disposable Soft Contact Lenses
The purpose of this study is to obtain on-eye performance data to inform contact lens product development and to further evaluate product performance in the intended population.
- Trial name
- NCT03349632
- Testing
- verofilcon A contact lenses, senofilcon A contact lenses, stenfilcon A contact lenses
- Where
- 3 sites in United States
- Volunteers
- 68 people
- Sponsor
- Alcon Research
Myopia, Astigmatism
Toric Orthokeratology - Slowing Eye Elongation
The aims of this study are to investigate the effects of ortho-k for astigmatic and myopic reduction and myopic control in children, and the long term effects on corneal curvatures and biomechanics.
- Trial name
- TO-SEE (NCT00978692)
- Testing
- Toric Orthokeratology lenses, Single-vision spectacles
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Myopia
MyopiaX Treatment for the Reduction of Myopia Progression in Children and Adolescents: Safety and Efficacy Investigation
The purpose of this trial is to investigate the safety and efficacy of MyopiaX - a digital treatment intended to slow the progression of myopia in children and adolescents.
- Trial name
- MyopiaX-1 (NCT04967287)
- Testing
- MyopiaX, Myopia control spectacles
- Where
- 10 sites in Germany, Netherlands and 3 more
- Volunteers
- 124 people
- Sponsor
- Dopavision GmbH
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
Comparison of Hand Eye Coordination and Sports Vision Performance in Dual-Focus Multifocal Contact Lenses and Habitual Contact Lenses
The purpose of the study is to compare the hand-eye coordination and sports vision performance in participants while they are wearing their habitual contact lenses versus while wearing the dual-focus multifocal contact lenses.
- Trial name
- NCT07840209
- Testing
- Multifocal Contact Lens
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Ohio State University
Refractive Surgery, Myopia; Refractive Error
Clinical Study of SMILE 4.0-VISULYZE in Correcting Refractive Errors
The aim of this study is to further optimize the surgical input parameters for patients undergoing Small Incision Lenticule Extraction (SMILE) using the regression model established by the SMILE 4.0-VISULYZE system, thereby…
- Trial name
- NCT06982807
- Testing
- Group 4.0-VISULYZE, traditional group
- Where
- 2 sites in China
- Volunteers
- 600 people
- Sponsor
- Affiliated Hospital of Nantong University
Refractive Errors, Hyperopia
School-based Myopia Prevention Trial for Children With Insufficient Hyperopic Reserve
This is a prospective, school-based randomized controlled trial designed to evaluate auricular acupressure for myopia prevention in non-myopic primary school students with insufficient hyperopic reserve.
- Conditions
- Refractive Errors, Hyperopia, Myopia
- Trial name
- SPARK (NCT07746804)
- Testing
- Auricular Acupressure, Eye Health Education
- Where
- China
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Hyperopia
A Bilateral Dispensing Clinical Trial of Sapphire Lens Against Senofilcon A Lens Over 2 Weeks
To evaluate the clinical performance of an investigational silicone-hydrogel lens when worn on a daily wear modality over two weeks of lens wear.
- Trial name
- NCT02345811
- Testing
- Sapphire, senofilcon A
- Where
- 2 sites in United States, Canada
- Volunteers
- 34 people
- Sponsor
- CooperVision, Inc.
Intermittent Exotropia, Myopia
A Comparative Study of the Efficacy of Myopia Control Lenses With Different Mechanisms on Controlling Myopia Progression in Patients With Intermittent Exotropia
The goal of this clinical trial is to compare the efficacy of myopia control lenses with different working principles in patients with intermittent exotropia aged 6 to 12 years.
- Trial name
- NCT07642934
- Testing
- DIMS glasses, DOT glasses
- Volunteers
- 120 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Myopia
Clinical Evaluation on Using Personal Face Masks With Spectacles Versus Contact Lenses
The aim of this study was to explore satisfaction with vision correction and ease of use of PFM (Personal Face Masks) in a group of spectacle wearers who were randomised to continue wearing spectacles or be fitted with daily…
- Trial name
- NCT04658797
- Testing
- somofilcon A Daily Disposable Contact Lens, Single Vision Spectacle for Vision Correction, Personal Facemask
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopic Astigmatism
STAAR Visian Toric ICL Post-Approval Study
The objective of this study is to evaluate the long term (i.e. 24 months) clinical performance of the Visian® Toric Implantable Collamer® Lens (ICL).
- Trial name
- TICL-PAS (NCT04516772)
- Testing
- Visian TICL
- Where
- 8 sites in United States
- Volunteers
- 125 people
- Sponsor
- Staar Surgical Company