Clinical trials: Hyperopia
Refractive Errors, Astigmatism
Study to Evaluate the Clinical Performance of SynergEyes A2 Hybrid Contact Lenses
This is a multicenter study to evaluate the clinical performance of the SynergEyes A2 lens in patients with refractive errors with or without astigmatism.
- Trial name
- NCT01058629
- Testing
- SynergEyes A2 Hybrid Contact Lens
- Where
- 10 sites in United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- SynergEyes, Inc.
Cataract, Presbyopia
Retrospective Clinical Investigation of the Safety and Performance of 640PM Trifocal IOL Implantation in Patients With Cataract and/or Ametropia (Hyperopia, Myopia) and/or Presbyopia
The clinical investigation objective is to evaluate safety and performance outcomes of trifocal IOL implantation to improve vision in patients with cataract and/or ametropia (hyperopia, myopia) and/or presbyopia.
- Conditions
- Cataract, Presbyopia, Hyperopia, Myopia
- Trial name
- NCT05735990
- Testing
- Intraocular lens
- Where
- Spain
- Volunteers
- 21 people
- Sponsor
- Medicontur Medical Engineering Ltd
Hyperopia, Myopia
Clinical Study of Visibility Tinted Clariti Contact Lens
The purpose of this study was to investigate the safety and efficacy of the Sauflon Clariti Monthly silicone hydrogel contact lenses with handling tint (Sauflon Pharmaceuticals Limited) by comparison with Air Optix Aqua silicone…
- Trial name
- NCT01996787
- Testing
- Air Optix Aqua, Clariti with Handling Tint
- Where
- United Kingdom
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Sauflon Pharmaceuticals Ltd
Myopia, Hyperopia
Clinical Performance of Habitual Wearers of Bioclear 1-day Lenses When Refitted With Biomedics 1-day Extra for 1 Week
Open label, 1-week daily disposable, dispensing study
- Trial name
- NCT02406495
- Testing
- filcon IV 1, ocufilcon D
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- CooperVision, Inc.
Visual Impairment, Myopia
At-home Testing Refraction Results With Best Corrected Visual Acuity (BCVA) Outcomes in Adults
This study is aimed at examining the BCVA from try-on glasses constructed from measurements from the EyeQue VisionCheck.
- Conditions
- Visual Impairment, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT04820218
- Testing
- With Try-on glasses
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- EyeQue Corp.
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, Astigmatism
A Study to Evaluate the Safety and Effectiveness of the Technols 217z Zyoptix System for Hyperopia
A study to demonstrate the safety and effectiveness of wavefront laser refractive surgery treatments for hyperopia and astigmatism.
- Trial name
- NCT00348205
- Testing
- Technolas 217z Zyoptix Laser
- Where
- United States
- Volunteers
- 80 people
- Sponsor
- Bausch & Lomb Incorporated
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.
Ametropia, Myopia
Clinical Performance Evaluation of Two Frequent Replacement Silicone Hydrogel Toric Contact Lenses
The primary objective of this study is to evaluate the axis orientation of LID226397 toric contact lenses.
- Conditions
- Ametropia, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT05959200
- Testing
- Serafilcon A toric contact lenses, Senofilcon A toric contact lenses, CLEAR CARE
- Where
- 7 sites in United States
- Volunteers
- 92 people
- Sponsor
- Alcon Research
Presbyopia
Bifocal Contact Lens Study for Adults With Age-Related Near Vision Loss
The primary objective of this study is to evaluate the distance, intermediate and near visual performance of Clerio designed single vision and Clerio designed LIRIC modified bifocal lenses (+2.00D add) compared to commercially…
- Trial name
- NCT03653715
- Testing
- Clerio Vision LIRIC-modified Bifocal Contact Lens, Johnson & Johnson 1-Day Acuvue Moist Multifocal Contact Lens, Johnson & Johnson 1-Day Acuvue Moist Contact Lens
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Clerio Vision, Inc.
Refractive Errors, Myopia
Performance Assessment of a Modified Daily Disposable Contact Lens
The purpose of this study is to compare visual acuity between two daily disposable contact lenses.
- Conditions
- Refractive Errors, Myopia, Hyperopia
- Trial name
- NCT03762668
- Testing
- Modified delefilcon A contact lenses, Delefilcon A contact lenses
- Where
- 5 sites in United States
- Volunteers
- 62 people
- Sponsor
- Alcon Research
Refractive Error
WaveLight® Refractive Myopic Study
The purpose of this study is to evaluate outcomes of subjects undergoing myopic surgery using the WaveLight® Refractive Suite (Excimer EX500 and Femtosecond FS200 lasers).
- Trial name
- NCT01941498
- Testing
- Wavelight® Refractive Suite, LASIK surgery
- Volunteers
- 104 people
- Sponsor
- Alcon Research
Refractive Error, Astigmatism
Visual Performance Investigation of Two Toric Soft Contact Lenses
The purpose of this study is to compare the amount of coma as measured by aberrometry induced by two silicone hydrogel toric lenses in astigmatic participants.
- Conditions
- Refractive Error, Astigmatism, Myopia, Hyperopia
- Trial name
- CARDINAL (NCT01858701)
- Testing
- Lotrafilcon B toric contact lens, Comfilcon A toric contact lens
- Volunteers
- 49 people
- Sponsor
- Alcon Research
Refractive Ametropia, Hyperopia
Air Optix Night and Day Aqua (AONDA) Retrospective Study 1
The purpose of this study is to assess long term performance and safety of AONDA in a real world setting when worn as daily wear or continuous wear for vision correction.
- Conditions
- Refractive Ametropia, Hyperopia, Myopia
- Trial name
- NCT05790928
- Testing
- Lotrafilcon A spherical contact lenses
- Where
- 4 sites in United States
- Volunteers
- 108 people
- Sponsor
- Alcon Research
Hypermetropia
Use of the VisuMax Femtosecond Laser Lenticule Removal Procedure for the Correction of Hyperopia
The correction of farsightedness using ReLEx SMILE for hyperopia is focus of this investigation. The objective is to evaluate the safety and effectiveness.
- Trial name
- V1601CI (NCT03431571)
- Testing
- ReLEx SMILE
- Where
- 8 sites in China, Czechia and 4 more
- Volunteers
- 374 people, healthy volunteers welcome
- Sponsor
- Carl Zeiss Meditec AG
Myopia, Hyperopia
Evaluation of the Effectiveness of Two Marketed Multi-Purpose Solutions for Silicone Hydrogel Contact Lenses - Study 1
The purpose of this study was to evaluate the performance of Opti-Free® PureMoist® Multi-Purpose Disinfecting Solution (MPDS) compared to Biotrue™ Multipurpose Solution (MPS) in silicone hydrogel contact lens wearers.
- Conditions
- Myopia, Hyperopia, Contact Lens Comfort
- Trial name
- NCT01684033
- Testing
- Opti-Free® PureMoist® MPDS, Biotrue™ MPS, Habitual contact lenses
- Volunteers
- 207 people
- Sponsor
- Alcon Research
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
Hyperopia
PiXL for Correction of Hyperopia
This clinical study aims to investigate the efficacy and safety of PiXL in the refractive correction of low hyperopia.
- Trial name
- NCT03805425
- Testing
- PiXL
- Where
- Czechia
- Volunteers
- 25 people
- Sponsor
- Gemini Eye Clinic
Myopia, Hyperopia
A Clinical Comparison of Two Soft Contact Lenses
The study objective was to gather short-term clinical performance data for two soft contact lenses.
- Trial name
- NCT05741450
- Testing
- Lens 1 (monthly replacement), Lens 2 (daily disposable)
- Where
- United Kingdom
- Volunteers
- 45 people
- Sponsor
- CooperVision, Inc.
Myopia, Hyperopia
High Refractive Index Material 510(k)
The purpose of this study is to establish the substantial equivalence of the HDS HI 1.54™ to the paflufocon C material control lenses to correct myopia and hyperopia with and without astigmatism.
- Trial name
- PVS-07-07 (NCT00766168)
- Testing
- HDS HI 1.54; pahrifocon A, FluoroPerm 30 RGP; paflufocon C
- Where
- 8 sites in United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)