Clinical trials: Hyperopia
Myopia, Hyperopia
Bilateral Dispensing Study of Fanfilcon A Toric Versus Enfilcon A Toric Lenses
Bilateral dispensing clinical trial of fanfilcon A toric lens verses enfilcon A toric lens over two weeks.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- NCT02423109
- Testing
- fanfilcon A, enfilcon A
- Where
- 2 sites in United States, Canada
- Volunteers
- 44 people
- Sponsor
- CooperVision, Inc.
Refractive Assessment, Refractive Disorders
Algorithm-assisted Subjective Refraction Program Dedicated to Children
Current refraction assessment in children is dependent on the Eye Care Specialist and lacks standardization. Essilor has developed new algorithm assisted subjective refraction software dedicated to children of 6-12 years old and…
- Conditions
- Refractive Assessment, Refractive Disorders, Hyperopia and Myopia, Astigmatism
- Trial name
- NCT07046065
- Testing
- Non-cycloplegic Objective refraction, Non-cycloplegic conventional subjective refraction, Non-cycloplegic subjective refraction (Kids refraction software vA with Vision-R™)
- Where
- Portugal
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- Essilor International
Refractive Errors
Post-market Clinical Follow-up Study of Alcon PRECISION1™ Spherical and PRECISION1™ for Astigmatism Soft Contact Lenses
The purpose of this study is to assess long term performance and safety of verofilcon A soft contact lenses in a real-world setting in a population of 7 years or older having at least 1 year of verofilcon A (sphere or toric)…
- Trial name
- NCT06462456
- Testing
- Verofilcon A spherical soft contact lenses, Verofilcon A toric soft contact lenses
- Where
- 12 sites in United States
- Volunteers
- 140 people
- Sponsor
- Alcon Research
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
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
Hyperopia
Effect of Light-Blocking Lenses on Pediatric Hyperopia
This study aims to assess the efficacy of light-blocking lenses in facilitating emmetropization in children with hyperopia and to explore their influence on various aspects of visual function.
- Trial name
- NCT07142915
- Testing
- light-blocking lenses, single-vision lenses
- Where
- China
- Volunteers
- 156 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia, Hyperopia
Daily Wear Corneal Infiltrative Event Study
This DWCIE Study is a prospective cohort study of patients fit to the FDA approved and marketed lotrafilcon A (Ciba Vision, Air Optix Night \& Day Aqua) soft contact lenses for daily wear (DW) with monthly disposal.
- Conditions
- Myopia, Hyperopia, Corneal Infiltrative Events
- Trial name
- DWCIE (NCT00937105)
- Testing
- lotrafilcon A contact lenses, Renu Multiplus, Clear Care
- Where
- United States
- Volunteers
- 218 people, healthy volunteers welcome
- Sponsor
- University Hospitals Cleveland Medical Center
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
Hyperopia, Long Sight
Zimbabwe Eyecare And Learning(ZEAL):Formative Research on Hyperopia and Educational Outcomes in Primary School Children
The purpose of this study is to determine whether uncorrected or corrected long-sightedness (hyperopia) has an impact on reading skills, in Grade 2 or Grade 4 school-aged children from Mashonaland Central province of Zimbabwe…
- Trial name
- ZEAL (NCT05538182)
- Testing
- Spectacles
- Where
- Zimbabwe
- Volunteers
- 1,883 people, healthy volunteers welcome
- Sponsor
- Queen's University, Belfast
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
The Effect of Masking on Subjective Results During Daily Disposable Contact Lens Studies
The purpose of this study is to explore the effect of masking on subjective ratings for two daily disposable contact lenses.
- Trial name
- ARGON (NCT01155726)
- Testing
- Nelfilcon A contact lens, Nelfilcon A contact lens with comfort additive (DACP), unmasked, Nelfilcon A contact lens with comfort additive (DACP), masked
- Where
- Canada
- Volunteers
- 134 people
- Sponsor
- CIBA VISION
Myopia, Hyperopia
Multipurpose Disinfecting Solution Compatibility With a Silicone Hydrogel Contact Lens
The purpose of this study is to verify the compatibility of a silicone hydrogel lens when used with four multipurpose disinfecting solutions (OPTI-FREE® RepleniSH®, ReNu MultiPlus®, Solo-Care Aqua™ and MeniCareTM Soft).
- Trial name
- Amethyst (NCT00520689)
- Testing
- Silicone Hydrogel Contact Lens
- Where
- Canada
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
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.
Hyperopia, Hypermetropia
Enhancement of Emmetropization in Hyperopic Infants
To determine if wearing a moderate spectacle under-correction (3.00D) and performing activities designed to stimulate accurate accommodation during a 15-month period will enhance emmetropization in highly hyperopic (between…
- Conditions
- Hyperopia, Hypermetropia, Farsightedness
- Trial name
- NCT00574717
- Testing
- Spectacles
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Ohio State University
Anisometropia, Hyperopia
Effect of Light-Blocking Lenses on Hyperopic Anisometropic Children
To evaluate the effectiveness of light-blocking lenses in promoting emmetropization and reducing anisometropia in children with hyperopic anisometropia, and to assess the impact of light-intercepting lenses on visual function in…
- Trial name
- NCT07142928
- Testing
- light-blocking lenses, single-vision lenses
- Where
- China
- Volunteers
- 90 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Myopia, Hyperopia
Corneal Asphericity Adjustment (Q Adjustment) in Myopic and Hyperopic Patients Undergoing Refractive Correction With Excimer Laser
To study the postoperative results in myopic and hyperopic eyes treated with two different laser ablation algorithms (STD and F-CAT), both FDA approved.
- Trial name
- NCT01296867
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Amblyopia, Myopia
Performance of a Photoscreener for Vision Screening in a Haitian Pediatric Population
Screening of haitian children between the ages of 3 and 6 years old for amblyogenic risk factors with the use of the Spot photoscreener. The photoscreener results will be compared to the complete ophthalmologic evaluation.
- Conditions
- Amblyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- POPH (NCT02655432)
- Testing
- Spot photoscreener, Ophthalmologic evaluation, Cyclopleged refraction
- Where
- 3 sites in Haiti
- Volunteers
- healthy volunteers welcome
- Sponsor
- Université de Montréal
Partially Accommodative Esotropia
Medial Rectus Fenestration vs Recession for PAET
This prospective comparative study aims to compare medial rectus (MR) muscle fenestration and recession in patients with partially accommodative esotropia (PAET).
- Trial name
- NCT06298929
- Testing
- medial rectus fenestration, medial rectus recession
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Mansoura University
Myopia, Hyperopia
Daily Disposable Performance of 1•DAY ACUVUE® TruEye™ and 1•DAY ACUVUE® MOIST® With LACREON® TECHNOLOGY
This study is an observational registry of patients who have recently been prescribed 1•DAY ACUVUE® TruEye® or 1•DAY ACUVUE® MOIST® Brand Contact Lenses with LACREON® TECHNOLOGY.
- Trial name
- TEMPO (NCT01467557)
- Testing
- narafilcon B daily disposable soft contact lenses, etafilcon A daily disposable soft contact lenses
- Where
- 37 sites in United States
- Volunteers
- 1,171 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Hyperopia
Investigation of the Effect of Different Eye Exercises on Hypermetropia in School-age Children
Hypermetropia in school-aged children is a pathology which is very common and responds to treatments early. No studies have been found in the literature on the efficancy of the hypermetropia treatments with physiotherapy methods.
- Trial name
- NCT03347734
- Testing
- Eye exercises group, Convergence exercise group, Oculomotor Exercise Group (OMEG)
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medipol University