Clinical trials: Error, Refractive
Presbyopia
Comparison of Two Soft Bifocal Contact Lenses
The purpose of the study is to compare the visual performance of two soft bifocal contact lenses.
- Trial name
- NCT00724945
- Testing
- balafilcon A, senofilcon A
- Where
- 6 sites in United States
- Volunteers
- 113 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Refractive Error, Myopia
A Comparison of Two Daily Disposable Contact Lenses.
This study seeks to evaluate the clinical fitting performance of a new daily disposable contact lens to an existing daily disposable contact lens.
- Trial name
- NCT00721500
- Testing
- etafilcon A, narafilcon A
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Presbyopia
The C-MAC Video Laryngoscope Helps Presbyopic Anesthetists
Endotracheal intubation is the de facto gold standard for airway management especially in neonatal and pediatric anesthesia . An efficient neonatal airway management is challenging even in the most experienced hands and the…
- Trial name
- NCT06581705
- Testing
- Video Laryngoscope
- Where
- Egypt
- Volunteers
- 100 people
- Sponsor
- Egymedicalpedia
Cataract Congenital, Astigmatism
Toric Intraocular Lens Implantation in Pediatric Cataract
To evaluate the visual and refractive outcomes after an intraocular lens (IOL) implantation in pediatric eyes with cataract and preexisting corneal astigmatism
- Conditions
- Cataract Congenital, Astigmatism, IOL
- Trial name
- TILIPC (NCT06294795)
- Testing
- congenital/pediatric cataract surgery, Non-Toric IOLs, Toric IOLs
- Where
- 2 sites in Kazakhstan
- Volunteers
- 40 people
- Sponsor
- Kazakh Eye Research Institute
Aphakia, Presbyopia
Evaluation of AcrySof IQ Vivity Extended Vision Intraocular Lenses
The purpose of this post-market study is to describe the long-term safety and performance of AcrySof IQ Vivity and AcrySof IQ Vivity Toric intraocular lens (IOL) models in a real-world setting through routine clinical practice.
- Conditions
- Aphakia, Presbyopia, Residual Refractive Cylinder
- Trial name
- NCT06541795
- Testing
- AcrySof IQ Vivity Extended Vision IOL
- Where
- United States
- Sponsor
- Alcon Research
Myopia, Progressive
Efficacy of IVMED-85 on Pediatric Myopia
The goal of this clinical trial is to evaluate the safety and preliminary efficacy of a 1-year course of IVMED-85 eye drops for the treatment of pediatric myopia by assessing its safety effects on visual acuity and its effect on…
- Trial name
- NCT05761795
- Testing
- IVMED 85
- Volunteers
- 216 people
- Sponsor
- iVeena Delivery Systems, Inc.
Refractive Errors, Ametropia
Clinical Comparison of Two Daily Wear Frequent Replacement Silicone Hydrogel Soft Contact Lenses
The primary objective of this study is to evaluate the overall performance of an investigational silicone hydrogel lens when compared to ACUVUE OASYS® with HYDRACLEAR® PLUS (AOHP).
- Trial name
- NCT04532099
- Testing
- Lehfilcon A contact lenses, Senofilcon A contact lenses, Comfilcon A contact lenses
- Where
- 4 sites in United States
- Volunteers
- 132 people
- Sponsor
- Alcon Research
Myopia, Myopia Progression, Lag of Accommodation, Hyperopic Retinal Blur, Reduction in Contrast
Lag of Accommodation With DOT Spectacle Lenses
The objective of the study is to measure the difference in the lag of accommodation between DOT spectacle lenses and control spectacles.
- Trial name
- ASH (NCT04700111)
- Testing
- DOT Pattern, Control Spectacles
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia, Astigmatism
On-Eye Evaluation of Contact Lens Axis Location
The purpose of this study was to evaluate the axis location of toric contact lenses after 3 minutes of wear. During this 1-visit study, each participant wore 3 pairs of study lenses of various design iterations (2-87-1, 2-87-2…
- Conditions
- Myopia, Astigmatism, Refractive Error
- Trial name
- NCT02100410
- Testing
- Delefilcon A toric contact lens T1, Delefilcon A toric contact lens T2, Delefilcon A toric contact lens T3
- Volunteers
- 50 people
- Sponsor
- Alcon Research
Presbyopia, Myopia
Comparison of Two Multifocal Contact Lenses Worn on a Daily Disposable Basis
The purpose of this trial is to evaluate and compare the clinical performance of two multifocal contact lenses.
- Trial name
- NCT01254760
- Testing
- Nelfilcon A multifocal contact lens, investigational, Nelfilcon A multifocal contact lens, commercial
- Volunteers
- 79 people
- Sponsor
- CIBA VISION
Cataract, Astigmatism
Safety and Effectiveness of the Akreos Toric Intraocular Lens.
The purpose of this study is to evaluate the safety and effectiveness of the Akreos Toric IOL following cataract surgery.
- Trial name
- NCT00825513
- Testing
- Akreos Toric IOL, Akreos Advanced Optics Aspheric Intraocular Lens (Akreos AO)
- Where
- Sweden
- Volunteers
- 198 people
- Sponsor
- Bausch & Lomb Incorporated
Refractive Errors
Clinical Evaluation of a Daily Wear Frequent Replacement Silicone Hydrogel Lens
The purpose of this clinical study is to demonstrate the safety and performance of an investigational soft contact lens compared to a commercially available soft contact lens when worn in a daily wear modality.
- Trial name
- NCT03920280
- Testing
- LID015385 contact lenses, Comfilcon A soft contact lenses, CLEAR CARE
- Where
- 8 sites in United States
- Volunteers
- 120 people
- Sponsor
- Alcon Research
Myopia
Variation of Orthokeratology Lens Treatment Zone (VOLTZ) Study
This project aims to study the effects of treatment characteristics on myopia control in orthokeratology by investigating the effects of modified treatment zone by reducing the lens back optic zone diameter on the effect of…
- Trial name
- NCT03191942
- Testing
- Modified ortho-k lenses, Ortho-k lenses
- Where
- 2 sites in Hong Kong
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Optical Coherence Tomography, Refractive Errors
To Study the Effects of Refractive Surgery on OCT Measurements in the Eye
Corrective eye surgeries, such as Lasik, are widely used to correct focusing problems such as myopia, or nearsightedness. Often these patients develop other conditions like myopic maculopathy or glaucoma which require monitoring…
- Conditions
- Optical Coherence Tomography, Refractive Errors, Myopia
- Trial name
- NCT05856786
- Testing
- Optical coherence tomography
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- University of Nebraska
Myopia
Effects of 650nm Low Energy Light on Human Retina and Choroid Microcirculation
This project is a single-center, prospective, self-controlled clinical study. It intends to select patients with simple medium and low degree myopia as subjects, and apply 650nm low-energy red light irradiation to the retina to…
- Trial name
- NCT04604405
- Testing
- photobiomodulation
- Where
- China
- Volunteers
- 126 people
- Sponsor
- Central South University
Myopia
A Study to Evaluate the Product Performance of a New Silicone Hydrogel Contact Lens
The objective of this study is to evaluate the product performance of a new silicone hydrogel soft contact lens when worn by current soft contact lens wearers on a daily wear basis.
- Trial name
- NCT01873846
- Testing
- Silicone Hydrogel Contact Lens
- Where
- United States
- Volunteers
- 400 people
- Sponsor
- Bausch & Lomb Incorporated
Myopia
A Clinical Comparison of Three Soft Daily Disposable Contact Lenses
This study aims to compare the clinical performance of the somfilcon A, nelfilcon A II 2 and omafilcon A II 2 daily disposable contact lenses.
- Trial name
- NCT02920983
- Testing
- somofilcon A, nelfilcon A II 2, omafilcon A ll 2
- Where
- United Kingdom
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Myopia
Comparative Clinical Evaluation of Daily Disposable Lenses in Symptomatic Daily Disposable Lens Wearers
The purpose of this study is to evaluate the extent to which symptoms improve in symptomatic contact lens wearers when fit with one of two different daily disposable contact lenses.
- Trial name
- NCT01035905
- Testing
- Nelfilcon A contact lens, Narafilcon A contact lens
- Volunteers
- 63 people
- Sponsor
- CIBA VISION
Nearsightedness, Astigmatism
High Resolution Wavefront-guided vs. Wavefront Optimized LASIK
The investigators are comparing outcomes of LASIK surgery using a high definition wavefront-guided laser to a wavefront-optimized laser in patients with nearsightedness with and without astigmatism.
- Trial name
- NCT02565537
- Testing
- LASIK
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Stanford University
Myopia
Time Outdoors as an Intervention for Myopia in Children
The purpose of this study is to determine whether improved outdoor time has an effect on the onset and progression of myopia in children.
- Trial name
- NCT02980445
- Testing
- Outdoor activity 1, Outdoor activity 2
- Volunteers
- 7,200 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
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