Clinical trials: Eye--Refractive Errors
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
Myopia
Evaluation of Alcon Ladarvision Wavefront-Guided PRK
The purpose of this study is to: 1. determine the safety of wavefront guided PRK 2. evaluate the efficacy of wavefront guided PRK 3. evaluate the differences in visual quality after treatment of wavefront guided PRK
- Trial name
- NCT00412295
- Testing
- Alcon Ladarvision (Wavefront-guided PRK)
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Walter Reed Army Medical Center
Refractive Errors
Study to Evaluate the Reliability, Validity and Safety of Subjective Mobile Refraction
This study evaluates the reliability, validity and safety of a self administered, subjective refraction test via a mobile medical app (GoEyes) as compared to standard of care subjective manifest refraction performed by a health…
- Trial name
- NCT05049070
- Testing
- Mobile medical application to self administer a subjective refraction test, Standard of care refraction test
- Where
- 12 sites in United States
- Volunteers
- 349 people
- Sponsor
- 1800 Contacts, Inc.
Myopia
Low-Dose Atropine for Treatment of Myopia
Study Objectives The objectives for this randomized trial are: 1. To determine the efficacy of daily low-dose atropine (0.01%) for slowing myopia progression over a two-year treatment period in children aged 5 to less than 13…
- Trial name
- MTS1 (NCT03334253)
- Testing
- Atropine
- Where
- 13 sites in United States
- Volunteers
- 200 people
- Sponsor
- Jaeb Center for Health Research
Myopia
Corneal Biomechanics and Stromal Tissue Characteristics in Patients Undergoing SMILE
This prospective observational cohort study will investigate corneal biomechanical characteristics and their relationships with corneal stromal tissue features in adult patients undergoing clinically indicated small-incision…
- Trial name
- SMILE (NCT07906327)
- Testing
- SMILE
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Tongji University
Myopia
Evaluation of The Comfort of Orthokeratology Lenses Fit Using A New Software
As new orthokeratology fitting software emerges onto the market, it is of interest to assess their usefulness in guiding eye practitioners with lens fit.
- Trial name
- NCT05389072
- Testing
- control contact lens
- Where
- 4 sites in United States, Spain
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Myopia
Evaluation of The Clinical Acceptance of Soft Contact Lenses for Myopia Control
The main objective of the study was to evaluate the clinical acceptance of soft contact lenses for Myopia control.
- Trial name
- NCT04709237
- Testing
- omafilcon A control lens, omafilcon A test lens 1, omafilcon A test lens 2
- Where
- United Kingdom
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- CooperVision, Inc.
Ectasia
Intrastromal Corneal Ring for Ectasia After Refractive Surgery (Anel)
To evaluate the clinical outcomes of intrastromal corneal ring segment (ICRS) implantation to correct keratoconus on eyes with prior refractive surgery.
- Trial name
- NCT02008253
- Testing
- INTRASTROMAL CORNEAL RING SEGMENT
- Where
- Brazil
- Volunteers
- 29 people
- Sponsor
- Instituto de Olhos de Goiania
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