Clinical trials: Hyperopia,
Myopia, Amblyopia
Access to EyeGlasses for School-aged Children
Uncorrected refractive error is a leading cause of visual impairment in children and can impact vision, quality of life, and academic performance.
- Conditions
- Myopia, Amblyopia, Hyperopia, Refractive Errors
- Trial name
- ATEG (NCT05588362)
- Testing
- Fitz Frames 3-D Printed Glasses
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Boston Children's Hospital
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
Emmetropization, Myopia
Focus-out Glasses on Emmetropization in Chinese Children
The purpose of this study is to characterize the effects of peripheral focous-out glasses on emmetropization in non-myopic Chinese Children Aged 6-8 Years.This is a prospective, parallel-controlled randomized trial.
- Conditions
- Emmetropization, Myopia, Hyperopia
- Trial name
- NCT05689567
- Testing
- DEFOG glasses(peripheral focus-out glasses)
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Fudan University
Hyperopia
Safety and Effectiveness of the TENEO 317 Model 2 (1.28 US) Excimer Laser for Laser In Situ Keratomileusis (LASIK) Surgery to Treat Hyperopia With or Without Astigmatism
This will be a multicenter, prospective, open label, non-randomized, single arm 12 month study, evaluating the safety and effectiveness of the TECHNOLAS TENEO 317 Model 2 (Software version "1.28 US") excimer laser when used in…
- Trial name
- NCT05264623
- Testing
- TENEO 317 Model 2 excimer laser
- Where
- 9 sites in United States
- Volunteers
- 140 people
- Sponsor
- Bausch & Lomb Incorporated
Hyperopia, Farsightedness
The Emmetropization Via Accommodation (EVA) - II Study
To determine if wearing a novel treatment during a 15-month period will enhance emmetropization in 4-month-old infants who have demonstrated poor ocular accommodation (eye focusing).
- Conditions
- Hyperopia, Farsightedness, Hypermetropia
- Trial name
- EVA-II (NCT07838597)
- Testing
- Experimental treatment arm
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Ohio State University
Hyperopia and Myopia
Eye Imaging for the Study of Childhood Myopia
Myopia (nearsightedness) is increasing worldwide and is becoming a serious public health problem. Studies estimate that by 2050, if no action is taken, almost half of the world's population will be myopic.
- Trial name
- SELENA (NCT07335146)
- Testing
- Ophtalmic measurements to estimate geometrical distances, MRI, Ophtalmic measurements to measure wavefront aberrations
- Where
- France
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Essilor International
Myopia, Refractive Errors
School-based Myopia Prevention Trial for Children With Adequate Hyperopic Reserve
This is a prospective, school-based randomized controlled trial designed to evaluate a wearable device-supported outdoor activity program for myopia prevention in primary school students with adequate hyperopic reserve.
- Conditions
- Myopia, Refractive Errors, Hyperopia
- Trial name
- SPARK (NCT07746752)
- Testing
- Wearable Device-Supported Myopia Prevention Program, Eye Health Education
- Where
- China
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
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
Hyperopia, High Astigmatism
Fresh Corneal Lenticule Implantation in Hyperopic Patients With High Astigmatism
The refractive combination of high hyperopia with high astigmatism is difficult to treat surgically. In addition, there are not many suitable options to offer such patients presenting with this condition.
- Trial name
- NCT04616144
- Testing
- Fresh Corneal Lenticule Implantation using Relex-Smile VisuMax Femtosecond Laser
- Where
- Kosovo
- Volunteers
- 55 people
- Sponsor
- Eye Hospital Pristina Kosovo
Pseudophakia, Hypermetropia
Treatment of Residual Hypermetropic Refraction on Pseudophakic Patients Using Allogenic Fresh Myopic Lenticule
The residual hypermetropic refraction on pseudophakic(Trifocal IOL) patients is difficult to treat surgically. In addition, there are not many suitable options to offer such patients presenting with this condition.
- Conditions
- Pseudophakia, Hypermetropia, Myopia
- Trial name
- ReLex-Smile (NCT04692012)
- Testing
- FRESH CORNEAL MYOPIC LENTICULE IMPLANTATION
- Where
- Kosovo
- Volunteers
- 34 people
- Sponsor
- Eye Hospital Pristina Kosovo
Pseudophakia, Myopia
Treatment of Residual Refraction Errors 6 Months After Trifocal IOL Implantation With Relex-Smile
Successful treatment of residual refraction 6 months after IOL Implantation with Relex-Smile.
- Conditions
- Pseudophakia, Myopia, Hyperopia
- Trial name
- NCT04712318
- Testing
- Relex Smile, Relex smile with fresh corneal lenticule implantation
- Where
- Kosovo
- Volunteers
- 130 people
- Sponsor
- Eye Hospital Pristina Kosovo
Hyperopia, Myopia
A Clinical Comparison of Two Soft Contact Lenses (C24-755)
The aim of this study is to compare the short-term clinical performance of two soft contact lenses.
- Trial name
- NCT06758076
- Testing
- Lens 1 (ocufilcon D), Lens 2 (somofilcon A)
- Where
- United Kingdom
- Volunteers
- 52 people
- Sponsor
- CooperVision, Inc.
Myopia, Hyperopia
Corneal Epithelial Thickness Mapping by Anterior Segment Optical Coherence Tomography in Patients With Refractive Errors
This study evaluates corneal epithelial thickness using anterior segment optical coherence tomography (AS-OCT) in patients with refractive errors.
- Conditions
- Myopia, Hyperopia, Astigmatism, Emmetropia
- Trial name
- NCT07647146
- Where
- Egypt
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- Sohag University
Myopia, Hyperopia
A Clinical Comparison of Proclear® 1 Day Multifocal and Clariti® 1 Day Multifocal 3 Add
The aim of this study is to compare the overall lens satisfaction between two soft multifocal contact lenses.
- Conditions
- Myopia, Hyperopia, Presbyopia
- Trial name
- NCT06869044
- Testing
- omafilcon A lens, Low ADD power somofilcon A lens, Medium ADD power somofilcon A lens
- Where
- United States
- Volunteers
- 67 people
- Sponsor
- CooperVision International Limited (CVIL)
Hyperopia, Myopia
Comprehensive Assessment of Multiple Products (CAMP)
The aim of this study is to assess contact lens performance and acceptance.
- Trial name
- NCT07276347
- Testing
- somofilcon A lens, stenfilcon A lens, fanfilcon A lens
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- CooperVision International Limited (CVIL)
Astigmatism, Myopia
Short-term Study of Two Soft Contact Lenses in Wearers With Low Astigmatism
The primary objective of the study is to evaluate and compare the performance of two soft contact lens.
- Conditions
- Astigmatism, Myopia, Hyperopia
- Trial name
- NCT06873048
- Testing
- Control Contact Lens (stenfilcon A Sphere), Test Contact Lens (stenfilcon A Toric)
- Where
- Canada
- Volunteers
- 32 people
- Sponsor
- CooperVision International Limited (CVIL)
Myopia, Ear Acupressure Pellets
Effects of Auricular Point Pressing With Pellets in Children With Insufficient Hyperopia Reserve
This project aims to address the trend of early onset and high myopia among children in China by focusing on insufficient hyperopia reserve, a key early warning indicator for myopia.
- Conditions
- Myopia, Ear Acupressure Pellets, Hyperopia Reserve, Low-concentration Atropine Eye Drops
- Trial name
- NCT07475585
- Testing
- Ear acupoint pressure pellet intervention group, Atropine intervention group, Joint intervention Group
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao
Myopia, Hyperopia
Accuracy of IOLMASTER 700 Total Keratometry (TK)
This is a multicenter study to compare the accuracy of IOL calculations in post-laser vision corrected eyes that are about to undergo or have undergone cataract surgery.
- Conditions
- Myopia, Hyperopia, Cataract
- Trial name
- NCT05254587
- Testing
- IOLMASTER 700 TK
- Where
- 7 sites in United States
- Volunteers
- 155 people
- Sponsor
- Advanced Vision Care
Children, Hyperopia
Efficacy of S.T.O.P®KIT in Retarding Axial Length Growth in Children With Low Hyperopia
This is a multicenter, parallel-group, open-label, randomized controlled, superiority interventional clinical study initiated by investigators from Shanghai General Hospital (Study Protocol No.: IT-CRU-FAMB-001, Version V1.1…
- Trial name
- NCT07401511
- Testing
- Attaching different phase Dynamic Spatiotemporal Optical Films (S.T.O.P® KIT) when wearing spectacle frames
- Where
- 3 sites in China
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Refractive Errors
Seeing to Learn in Sierra Leone
The main objective of the Sierra Leone Sees to Learn (SL2) trial is to assess the educational impact of providing free eyeglasses to students aged 9-20 years with uncorrected refractive error in Sierra Leone.
- Trial name
- SLII (NCT06065631)
- Testing
- Eyeglasses, Prescription slip
- Where
- Sierra Leone
- Volunteers
- 1,821 people
- Sponsor
- University of Minnesota