Clinical trials: Hyperopia,
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
Presbyopia
Clinical Performance of Two Frequent Replacement Silicone Hydrogel Multifocal Contact Lenses
The purpose of this study is to evaluate the on-eye multifocal clinical performance of investigational LID233309 contact lenses and Oasys multifocal (MF) contact lenses in a daily wear dispensing trial.
- Trial name
- NCT06469242
- Testing
- Serafilcon A multifocal contact lenses, Senofilcon A multifocal contact lenses, CLEAR CARE® Cleaning & Disinfecting Solution
- Where
- 8 sites in United States
- Volunteers
- 106 people
- Sponsor
- Alcon Research
Myopia, Hyperopia
Evaluation of Effectiveness of Correcting Refractive Error With Ready-made Spectacles
This research project will compare two methods of correcting refractive error (long or short-sightedness) with spectacle lenses.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- RECS (NCT00657670)
- Testing
- Ready-made spectacles, Spectacles
- Where
- 2 sites in China, India
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Hyperopia
Hyperopia Correction Using the NTK Optimal Keratoplasty (Opti-K) System
The purpose of this U.S. Clinical Trial on treatment of sighted eyes is to investigate the safety and effectiveness of optimal keratoplasty (Opti-K™) treatments for hyperopia correction using the NTK Enterprises (NTK) Opti-K…
- Trial name
- NCT01028937
- Testing
- Optimal Keratoplasty
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- NTK Enterprises, Inc.
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
Presbyopia, Myopia
Intrastromal Correction of Ametropia by a Femtosecond Laser
This study evaluates the intrastromal correction of ametropia with a femtosecond laser made by 20/10 PERFECT VISION. This laser generates a beam of ultrashort, infrared pulses which enables very precise cuts in the cornea.
- Conditions
- Presbyopia, Myopia, Hyperopia, Astigmatism
- Trial name
- ISCAF (NCT00928122)
- Testing
- Intrastromal Correction of Presbyopia, Intrastromal correction of Myopia, Intrastromal Correction of Hyperopia
- Where
- 3 sites in Germany
- Volunteers
- 200 people
- Sponsor
- 20/10 Perfect Vision
Ocular Surface Disease, Irregular Astigmatism
Evaluation of the Safety and Efficacy of Rigid Breathable Scleral Contact Lenses for the Correction of Ametropia
To evaluate the short-term efficacy and safety of scleral contact lens in the clinical treatment of patients with irregular astigmatism after corneal transplantation by analyzing ocular parameters and ocular surface conditions of…
- Conditions
- Ocular Surface Disease, Irregular Astigmatism, Contact Lens Complication, Corneal Astigmatism
- Trial name
- NCT06256770
- Where
- China
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
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
Myopia, Hyperopia
A Prospective Safety and Effectiveness Study of a New High Repetition Rate Excimer Laser Using LASIK for the Correction of Ammetropia and Presbyopia
This clinical study has been planned to evaluate the safety and effectiveness of common treatment algorithms using 500 Hz laser repetition rate for the correction of Ammetropia and Presbyopia
- Conditions
- Myopia, Hyperopia, Presbyopia
- Trial name
- NCT02112968
- Testing
- Proscan, Zyoptix, Supracor
- Volunteers
- 97 people
- Sponsor
- Technolas Perfect Vision GmbH
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
Presbyopia, Hyperopia
Multicenter Evaluation of Safety and Effectiveness of Presbyopic LASIK for Hyperopes
The Presbyopia Algorithm subject to this study has been specifically developed to prospectively generate a treatment file for the Technolas 217z100 laser that will provide Presbyopia correction among eyes with primary hyperopia…
- Trial name
- PresbyLASIK (NCT00910403)
- Testing
- LASIK
- Where
- 4 sites in France, Spain
- Volunteers
- 80 people
- Sponsor
- Technolas Perfect Vision GmbH
Myopia, Hyperopia
DAILIES TOTAL1® Soft Contact Lenses - Post-Market Clinical Follow-up Study
The purpose of this study is to continuously assess the visual performance and safety of DAILIES TOTAL1 soft contact lenses in a real world setting and broader patient base through routine clinical practices.
- Conditions
- Myopia, Hyperopia, Presbyopia, Astigmatism
- Trial name
- NCT06483113
- Testing
- Delefilcon A spherical soft contact lenses, Delefilcon A toric soft contact lenses, Delefilcon A multifocal soft contact lenses
- Where
- 12 sites in United States
- Volunteers
- 192 people
- Sponsor
- Alcon Research
Refractive Error, Myopia
Silicone Hydrogel Contact Lens Clinical and Comfort Benefits With a Multi-Purpose Disinfecting Solution
The purpose of this study was to compare lens comfort on Day 30 for Air Optix® lenses cared for with OPTI-FREE® PureMoist® (OFPM) Multi Purpose Disinfecting Solution (MPDS) compared to Acuvue® Oasys® lenses cared for with…
- Conditions
- Refractive Error, Myopia, Hyperopia, Astigmatism
- Trial name
- NCT01809197
- Testing
- Lotrafilcon B contact lenses, Senofilcon A contact lenses, OPTI-FREE PureMoist Multi-Purpose Disinfecting Solution (MPDS)
- Volunteers
- 387 people
- Sponsor
- Alcon Research
Myopia, Hyperopia
Clinical Evaluation of Two Frequent Replacement Soft Spherical Contact Lenses
This was a single-blind (participant masked), interventional, prospective, direct refit, bilateral wear short-term fitting study.
- Trial name
- NCT05656885
- Testing
- Lens A, Lens B
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia, Hyperopia
Subjective Comparison of Pre-Lens Tear Film Stability With Daily Disposable Contact Lenses
The purpose of this study was to compare three CE-marked daily disposable contact lenses for tear film stability as measured by pre-lens non-invasive keratograph break up time (PL NIK-BUT).
- Conditions
- Myopia, Hyperopia, Refractive Error
- Trial name
- NCT01839318
- Testing
- Nelfilcon A contact lenses, Omafilcon A contact lenses, Etafilcon A contact lenses
- Volunteers
- 30 people
- Sponsor
- Alcon Research
Refractive Errors, Myopia
Safety and Suitability of ICL for Correction of Refractive Errors Without the Use of Dispersive OVDs
The goal of this observational study is to test whether surgeries for lenses designed to be implanted in the eye to correct refractive error can be done without the need for using viscoelastic substances that are used routinely…
- Conditions
- Refractive Errors, Myopia, Myopic Astigmatism, Hypermetropia
- Trial name
- NCT06371079
- Testing
- phakic intraocular lens implantation traditional, phakic intraocular lens implantation reduced OVD
- Where
- Iraq
- Volunteers
- 448 people
- Sponsor
- Loay Abdulmutalib Almusawi
Refractive Errors, Myopia
Clinical Assessment of a HYDRAGLYDE® Regimen
The purpose of this study is to evaluate worn AIR OPTIX® plus HYDRAGLYDE® (AOHG) lenses cleaned and disinfected with HYDRAGLYDE® containing lens solutions compared to each of the control habitual silicone hydrogel (SiHy) lenses…
- Conditions
- Refractive Errors, Myopia, Hypermetropia
- Trial name
- NCT03026257
- Testing
- Lotrafilcon B contact lenses with added wetting agent, Samfilcon A contact lenses, POLYQUAD/ALDOX-preserved contact lens solution with added wetting agent
- Where
- 8 sites in United States, Canada and 1 more
- Volunteers
- 323 people
- Sponsor
- Alcon, a Novartis Company
Hyperopia
Safety and Effectiveness of Wavefront-Guided LASIK Correction of Hyperopic Refractive Errors
Demonstrate that wavefront-guided LASIK using measurements from the iDesign System is safe and effective for the treatment of Hyperopia.
- Trial name
- NCT01675479
- Testing
- LASIK correction of hyperopic refractive errors
- Where
- 9 sites in United States
- Volunteers
- 167 people, healthy volunteers welcome
- Sponsor
- Abbott Medical Optics
Anisometropia, Hyperopia
Photorefractive Keratectomy for Severe Anisometropia and Isoametropia Associated With Amblyopia
Photorefractive keratectomy (PRK) with excimer laser has been used successfully to treat myopia, hyperopia, and astigmatism in adults for over 35 years.
- Conditions
- Anisometropia, Hyperopia, High Myopia, Amblyopia Isometropic
- Trial name
- NCT03610997
- Testing
- Photorefractive keratectomy
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Baylor College of Medicine
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)