Clinical trials: Refractive Error
Presbyopia
Driving Simulator Study Comparing Two Modes of Presbyopic Correction With Contact Lenses
The overall objective of this study is to compare the effect on simulated driving performance of multifocal (MF) versus monovision (MV) soft contact lenses in mid-late presbyopes.
- Trial name
- NCT02189863
- Testing
- Lotrafilcon B MF, Lotrafilcon B MV, Lotrafilcon B SVD
- Volunteers
- 33 people
- Sponsor
- Alcon Research
Myopia Progression, Atropine
Efficacy and Safety of 0.01%, 0.03%, and 0.05% Atropine Eye Drops in Reducing Myopia Progression
Myopia is one of the fastest-growing ocular disorders worldwide and has become a major public health concern, especially among children and adolescents.
- Trial name
- NCT07626892
- Testing
- Atropine sulphate eye drop 0.01%, Atropine sulphate eye drop 0.03%, Atropine sulphate eye drop 0.05%
- Where
- Pakistan
- Volunteers
- 95 people
- Sponsor
- Khyber Medical College, Peshawar
Keratitis, Myopia
Safety of Overnight Corneal Reshaping Lenses
This retrospective chart review study compares the incidence of corneal inflammation due to infection in children vs. adult patients wearing overnight corneal reshaping lenses.
- Trial name
- NCT01272271
- Volunteers
- 1,317 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Myopia
A RCT of Spectacles With Aspherical Lenslets or 0.05% Atropine for Myopia Control
To date, randomized trials of low-concentration atropine eyedrops and specially designed spectacle lenses to slow the progression of myopia are limited in number and results are inconsistent in non-Asian children.
- Trial name
- NCT07095894
- Testing
- Atropine, Spectacles with HAL
- Where
- 18 sites in United States
- Volunteers
- 348 people
- Sponsor
- Jaeb Center for Health Research
Presbyopia
Multifocal Contact Lens Use in Previous Contact Lens Wearers With Near Vision Demands
The purpose of this study is to evaluate the use of a multifocal contact lens in people who previously wore contact lenses but discontinued due to age-related, near vision demands.
- Trial name
- GARM (NCT00965237)
- Testing
- lotrafilcon B multifocal contact lens, lotrafilcon B single vision contact lens, Over-reader spectacles
- Where
- Canada
- Volunteers
- 16 people
- Sponsor
- CIBA VISION
Myopia
The Contact Lens and Myopia Progression (CLAMP) Study
To examine the effects of rigid gas permeable contact lenses on the progression of myopia (nearsightedness) in children To determine what changes in the eyes cause certain eyes to progress in nearsightedness more slowly
- Trial name
- NCT00009529
- Where
- United States
- Sponsor
- National Eye Institute (NEI)
Myopia
Contact Lens in Pediatrics (CLIP) in an Asian Population Study
To evaluate the safety, efficacy and physiological performance of daily disposable spherical and toric soft contact lenses in a vision-corrected population of children ages 8-11 years of age.
- Trial name
- CLIP (NCT00473304)
- Testing
- Johnson&Johnson Acuevue daily disposable lenses
- Where
- Singapore
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Myopia, Astigmatism
Prospective Study of an Investigational Toric Soft Contact Lens
The purpose of this study was to demonstrate substantial equivalence of an investigational toric soft contact lens to the commercially available Focus® DAILIES® Toric soft contact lens when worn in a daily wear, daily disposable…
- Conditions
- Myopia, Astigmatism, Refractive Error
- Trial name
- NCT01461811
- Testing
- Nelfilcon A toric contact lenses (with comfort additives), Nelfilcon A toric contact lenses
- Volunteers
- 154 people
- Sponsor
- CIBA VISION
Amblyopia, Refractive Errors
The Effect of Early Glasses on the Development of Amblyopia
In a randomized controlled trial, we will establish whether early glasses for high refractive error at age one reduce the development of amblyopia between age one and four.
- Trial name
- EGS (NCT04740593)
- Testing
- Orthoptic care with the prescription of glasses from age 12-18 months onwards, Orthoptic care without the prescription of glasses from age 12-18 months onwards, First measurement only
- Where
- Netherlands
- Volunteers
- 601 people, healthy volunteers welcome
- Sponsor
- Erasmus Medical Center
Amblyopia, Strabismus
Vision In Preschoolers Study (VIP Study)
To identify vision-screening tests that can accurately predict those three- and four-year old preschoolers who would benefit from a comprehensive vision examination because of signs of amblyopia, strabismus, and/or significant…
- Conditions
- Amblyopia, Strabismus, Refractive Error
- Trial name
- NCT00038753
- Testing
- Vision Screening
- Where
- 5 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Cataract, Refractive Errors
Comparison of Intraocular Lens Power Calculation Methods After Corneal Laser Refractive Surgery in Axial and Refractive Ammertropia
The study aims at determining the best biometry calculation formula to be used in IOL calculation of cataract patients how previously underwent laser refractive correction surgery
- Trial name
- NCT01979172
- Where
- Egypt
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- The National Eye Hospital, Cairo, Egypt
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
Refractive Errors
Bifocal & Atropine in Myopia (BAM) Study
This study will test whether the combined treatment of 0.01% atropine and soft bifocal contact lens wear produces slower myopia progression and axial elongation compared to soft bifocal contact lenses alone in children ages 7 to…
- Trial name
- BAM (NCT03312257)
- Testing
- Multifocal D +2.50 add & 0.01% atropine
- Volunteers
- 49 people
- Sponsor
- Jenny Jones
Myopia, Healthy
Proteomic Analysis on Myopic Children Using Orthokeratology Lenses With Good or Poor Myopic Control
The key objective of the study is to gain an understanding of the biochemical processes that contribute to orthokeratology lenses being more effective in specific individuals compared to others.
- Conditions
- Myopia, Healthy, Orthokeratology
- Trial name
- ProMOC (NCT06647472)
- Where
- Denmark
- Volunteers
- 20 people
- Sponsor
- Vejle Hospital
Hyperopia
Hyperopia Treatment Study 1 (HTS1) - Glasses vs Observation
The purpose of this study is to compare visual acuity outcomes and development of strabismus after a 3-year follow-up period in children age 12 to <72 months with moderate hyperopia (spherical equivalent +3.00D to +6.00D) who are…
- Trial name
- HTS1 (NCT01515475)
- Testing
- Glasses
- Where
- 2 sites in United States
- Volunteers
- 249 people
- Sponsor
- Jaeb Center for Health Research
Myopia Progression, Myopia
Inhibition of Myopia Progression With Optical Devices
This observational study aims to determine whether optical devices designed to slow myopia progression and/or environmental factors can prevent myopia progression in the pediatric and adolescent myopic population.
- Conditions
- Myopia Progression, Myopia, Myopia, Child Myopia Progression
- Trial name
- NCT07698977
- Testing
- Wearing myopia-control D.I.M.S. glasses while awake, DIMS (Defocus Incorporated Multiple Segments) lenses
- Where
- Hungary
- Volunteers
- 50 people
- Sponsor
- Semmelweis University
Myopia
Guangzhou Outdoor Activity Longitudinal Study
The purpose of this study is to assess whether outdoor activities are effective in preventing the development and progression of juvenile-onset myopia in Chinese children.
- Trial name
- NCT00848900
- Testing
- Outdoor activity
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Sun Yat-sen University
Myopia, Hyperopia
A Bilateral Dispensing Clinical Trial of Sapphire Lens Against Senofilcon A Lens Over 2 Weeks
To evaluate the clinical performance of an investigational silicone-hydrogel lens when worn on a daily wear modality over two weeks of lens wear.
- Trial name
- NCT02345811
- Testing
- Sapphire, senofilcon A
- Where
- 2 sites in United States, Canada
- Volunteers
- 34 people
- Sponsor
- CooperVision, Inc.
Myopia, Esophoria
Bifocal Soft Contact Lenses and Their Effect on Myopia Progression in Children and Adolescents.
The purpose of this study is to determine whether bifocal soft contact lenses are effective in controlling the progression of myopia in children and adolescents that exhibit a tendency to excessively cross their eyes while…
- Conditions
- Myopia, Esophoria, Fixation Disparity
- Trial name
- NCT00214487
- Testing
- Bifocal Contact Lenses
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Aller, Thomas A., OD
Astigmatism
Clinical Evaluation of Two Toric Contact Lenses in Current Non-toric Lens Users
The purpose of this study is to evaluate the clinical performance, defined as successful fit, of two toric contact lenses (one daily disposable and the other daily wear reusable contact lens to correct astigmatism) in current…
- Trial name
- NCT01180998
- Testing
- Senofilcon A Toric (AOfA), Etafilcon A Toric (1DAMfA)
- Where
- 18 sites in United Kingdom
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.