Clinical trials: Error, Refractive
Cataract, Presbyopia
Single-center, Double-arm, Prospective Clinical Trial to Compare Visual Performance of Non-diffractive Extended Vision and Neutral Aspheric Monofocal Intraocular Lenses
The purpose of this study is to compare the binocular distance, intermediate, and near visual acuity of the Alcon Vivity and Bausch \& Lomb enVista IOLs.
- Trial name
- NCT04591054
- Testing
- Extended Vision IOL, Neutral Aspheric Monofocal IOL
- Where
- United States
- Volunteers
- 56 people
- Sponsor
- Milton S. Hershey Medical Center
Amblyopia, Anisometropia
Dichoptic Virtual Reality Therapy for Amblyopia in Adults
This was a randomized, masked, controlled study of the effect of a virtual reality, binocular, 3-dimensional video game on visual acuity and stereopsis in adult patients with amblyopia.
- Conditions
- Amblyopia, Anisometropia, Strabismus
- Trial name
- NCT02246556
- Testing
- Dichoptic therapy, Patching therapy, Dioptic (non-dichoptic) therapy
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- University of California, San Francisco
Myopia, Refractive Error
A Comparison of Two Color Contact Lenses in Habitual Clear Contact Lens Wearers
The purpose of this study was to evaluate overall satisfaction with AIR OPTIX® COLORS as compared to FRESHLOOK® COLORBLENDS contact lenses.
- Trial name
- NCT01782482
- Testing
- Lotrafilcon B contact lens with color, Phemfilcon A contact lens with color
- Volunteers
- 574 people
- Sponsor
- Alcon Research
Myopia
LSH Silicone Hydrogel Soft Hydrophilic Contact Lens for Daily Wear
This study is to evaluate the performance of the LSH (mangofilcon A) silicone hydrogel soft contact lenses when used as a daily wear contact lens for the correction of myopia.
- Trial name
- NCT01735045
- Testing
- Lagado LSH (mangofilcon A) Soft (hydrophilic) Contact Lens, Benz 3GX (hioxifilcon B) Soft (hydrophilic) Contact Lens
- Where
- 5 sites in United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Szabocsik and Associates, Inc.
Myopia, Astigmatism
Wavelight Plus Sightmap-LASIK vs. Wavefront-Optimized-LASIK
The goal of this clinical trial is to learn if the wavelight plus Sightmap (WLP) method or the wavefront-optimized (WFO) method for calculating LASIK customization treatment gives better vision, better satisfaction, and fewer…
- Trial name
- NCT07855094
- Testing
- LASIK calculated ablation using Wavefront-Optimized, wavelight plus Sightmap (WLP) Guided LASIK calculated
- Where
- United States
- Volunteers
- 49 people
- Sponsor
- 59th Medical Wing
Amblyopia
Treating Amblyopia With CureSight
Patients with visual acuity and ocular characteristics outside the Novasight FDA multi-center study are to perform the same Curesight procedures- including M\&S EVA or eETDRS patched acuity, stereo and then utilize the Curesight…
- Trial name
- ABCDCS (NCT06165705)
- Testing
- CureSight
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Myopia
Comparison of Two Daily Disposable Contact Lenses Over 1-week of Wear
This is a one week 2x2 crossover study comparing delefilcon A with etafilcon A, with a primary hypothesis of comparing the handling of each lens.
- Trial name
- NCT01669629
- Testing
- delefilcon A, etafilcon A
- Where
- 10 sites in United States
- Volunteers
- 183 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Presbyopia
Safety and Efficacy of AGN-199201 and AGN-190584 in Patients With Presbyopia
A study to evaluate the safety and efficacy of AGN-199201 alone, AGN-190584 alone and concurrent use of AGN-199201 and AGN-190584 in patients with presbyopia (inability to focus for near vision).
- Trial name
- NCT02197806
- Testing
- AGN-199201, AGN-190584, AGN-199201 Vehicle
- Where
- United States
- Volunteers
- 65 people
- Sponsor
- Allergan
Myopia
Evaluating the Effect of Optical Zones on Correction for SMILE: Vector Analysis
Evaluate the effect of the size of optical zones (OZ) on myopia and astigmatism correction in small incision lenticular extraction.
- Trial name
- NCT05017376
- Testing
- small incision lenticular extraction
- Where
- China
- Volunteers
- 140 people
- Sponsor
- Tianjin Eye Hospital
Aphakia, Presbyopia
Real-World Study of Vivity Intraocular Lenses (IOLs)
The primary objective of this clinical study is to assess the clinical performance of the AcrySof IQ Vivity Extended Vision IOL in a Chinese population.
- Trial name
- NCT04800016
- Testing
- AcrySof IQ Vivity Extended Vision IOL, Cataract surgery
- Where
- China
- Sponsor
- Alcon Research
Cataract, Presbyopia
Retrospective / Prospective Clinical Study of AcrySof® IQ ReSTOR® +2.5 D Multifocal Toric Intraocular Lenses
The purpose of this study is to characterize the safety and effectiveness of the ACRYSOF IQ ReSTOR +2.5 diopter (D) Multifocal Toric Intraocular Lens (IOL) in subjects at least 3 months and no more than 14 months after IOL…
- Conditions
- Cataract, Presbyopia, Corneal Astigmatism
- Trial name
- NCT02176343
- Testing
- AcrySof® IQ ReSTOR® +2.5 D Multifocal Toric IOL
- Volunteers
- 37 people
- Sponsor
- Alcon Research
Presbyopia, Near Vision
Phase 3 Safety Study of LNZ100 and LNZ101 for the Treatment of Presbyopia Subjects
Safety Study of the Long-Term Safety of LNZ100 \& LNZ101 in Presbyopic Subjects
- Conditions
- Presbyopia, Near Vision, Refractive Error, Eye Diseases
- Trial name
- NCT05753189
- Testing
- Aceclidine+Brimonidine combination ophthalmic solution, Aceclidine ophthalmic solution, Vehicle
- Where
- 40 sites in United States
- Volunteers
- 362 people, healthy volunteers welcome
- Sponsor
- LENZ Therapeutics, Inc
Exotropia, Exophoria
A-eyedrops on Ocular Alignment and Binocular Vision
Atropine is a non-selective muscarinic acetylcholine (M) receptor antagonist that paralyzes the ciliary muscle, dilates the pupil, and reduces the power of accommodation.
- Conditions
- Exotropia, Exophoria, Myopia
- Trial name
- NCT05379855
- Testing
- 0.01% atropine eye drops, 0.05% atropine eye drops
- Where
- China
- Volunteers
- 339 people
- Sponsor
- Eye & ENT Hospital of Fudan University
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
Myopia
The Effect of Orthokeratography on the Quality of Life and Behavior of Myopic Children
The study intended to observe the changes in the quality of life, behavior, and eye habits of children and adolescents aged 8-18 years before and after orthokeratology, as well as the differences in the quality of life and…
- Trial name
- NCT05956717
- Testing
- Orthokeratology
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Tianjin Eye Hospital
Contact Lens Complication, Astigmatism
Total30 for Astigmatism Contact Lenses
Determine if Total30 for Astigmatism contact lenses (CLs) provide a comfortable wearing experience all day. CL discomfort affects most CL wearers with discomfort consistently topping the reasons why established CL wearers drop…
- Conditions
- Contact Lens Complication, Astigmatism, Refractive Errors
- Trial name
- NCT06052046
- Testing
- TOTAL30 for Astigmatism Contact Lenses
- Where
- 2 sites in United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Southern College of Optometry
Myopia
Evaluating Contact Lens Optics
This study will evaluate changes in refractive error and visual performance between a single vision soft contact lens and multifocal soft contact lens
- Trial name
- NCT05028790
- Testing
- Single vision contact lens, Multifocal contact lens
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- David A Berntsen, OD PhD
Amblyopia
Efficacy of Visual Screening in Ontario
Amblyopia (lazy eye), is the leading treatable cause of vision loss in childhood. Uncorrected refractive errors (ie farsightedness) can lead to difficulties in school.
- Trial name
- NCT02458846
- Testing
- Crowded HOTV Acuity Test, Preschool Randot Stereoacuity Test, Plusoptix Autorefractor
- Where
- Canada
- Volunteers
- 2,597 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Refractive Error
A Prospective, Multi-Center Evaluation of Corneal Flap Creation Using Cheetah Femtosecond Laser System and Cheetah Patient Interface
The study is a prospective, open-label, comparative study design that was chosen for the purpose of optimizing the Cheetah settings, and evaluating the Cheetah system quality of LASIK flap.
- Trial name
- NCT03789669
- Testing
- IntraLase iFS femtosecond laser and patient interface, Cheetah femtosecond laser and cheetah patient interface
- Where
- 3 sites in India, Singapore
- Volunteers
- 200 people
- Sponsor
- Johnson & Johnson Surgical Vision, Inc.
Glaucoma, Suspect, Diabetic Retinopathy
Eye Health Intervention Study in Upper Manhattan
Individuals living in Upper Manhattan have limited access to eye care, high vision impairment rates, and poor ocular health outcomes.
- Conditions
- Glaucoma, Suspect, Diabetic Retinopathy, Cataract, Refractive Errors
- Trial name
- EYES-UM (NCT06112431)
- Testing
- Intervention, Usual Care
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Columbia University
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