Clinical trials: Visual Acuity, open to volunteers
Visual Acuity
Exploration Strategies in Night Vision Sensors
The main objective of this clinical trial is to identify a variation in visual strategy characterized by both head movements and eye movements of healthy volunteers during a target detection task when images simulating night…
- Trial name
- STRAT-JVN (NCT07352904)
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
Presbyopia
VisDura VisAbility™ Micro Insert System Pre-market Clinical Trial
The primary study objective is to evaluate the safety and effectiveness of the VisAbility™ Micro Insert System for improvement in binocular distance corrected near visual acuity in presbyopic patients.
- Trial name
- NCT07637500
- Testing
- VisAbility™ Micro Insert System
- Where
- 2 sites in Germany
- Volunteers
- 33 people
- Sponsor
- VisDura, Inc.
Retinopathy of Prematurity
Retinal Microanatomy in Retinopathy of Prematurity (BabySTEPS2)
Retinopathy of prematurity (ROP) is a disorder of development of the neural retina and its vasculature that can impact vision in vulnerable preterm neonates for a lifetime.
- Trial name
- BabySTEPS2 (NCT04995341)
- Testing
- Investigational ultracompact OCT and OCTA system, retinal photographs
- Where
- 2 sites in United States
- Volunteers
- 236 people, healthy volunteers welcome
- Sponsor
- Duke University
Visual Acuity
Evaluation of a Digital Visual Acuity Device vs. Standard Visual Acuity Measurements
The purpose of this research is to validate and determine the accuracy of the experimental device when measuring visual acuity versus our standard visual acuity measurements and to gather voice recordings of letters to help build…
- Trial name
- NCT06431295
- Testing
- FaceScan
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Primary Open Angle Glaucoma, Pseudoexfoliation Glaucoma
XEN Glaucoma Gel Stent Versus Trabeculectomy
Multicentric evaluation of best corrected visual acuity of the XEN implant versus classic trabeculectomy in open angle glaucoma subjects
- Conditions
- Primary Open Angle Glaucoma, Pseudoexfoliation Glaucoma, Pigmentary Dispersion Glaucoma
- Trial name
- NCT05439161
- Testing
- surgery
- Where
- Austria
- Volunteers
- 196 people
- Sponsor
- Prof. Dr. Herbert Reitsamer
Retinal Detachment, Macular Edema
OCT Macula Biomarkers Before Silicone Oil Removal and Visual Outcome After Silicone Oil Removal
Silicone oil is commonly used as a temporary intraocular tamponade to support the retina during vitreoretinal surgery for complex retinal detachment and other severe retinal conditions.
- Conditions
- Retinal Detachment, Macular Edema, Silicone Oil Tamponade, Epiretinal Membrane
- Trial name
- NCT07865468
- Volunteers
- 30 people
- Sponsor
- Assiut University
Age Related Cataracts
Visual Performance of Clareon PanOptix vs. a Comparable Multifocal Intraocular Lens
This is a two-part, multi-center, investigator-initiated clinical study comparing visual outcomes and patient satisfaction in subjects receiving bilateral implantation of either the Clareon PanOptix intraocular lens (IOL) or a…
- Trial name
- NCT07006428
- Testing
- Clareon PanOptix or PanOptix Toric IOLs, Comparable multifocal IOL
- Where
- 3 sites in United States
- Volunteers
- 290 people
- Sponsor
- Argus Research Center, Inc.
Visual Acuity
Comparison of ACUVUE® OASYS MAX 1-Day Multifocal and DAILIES® AquaComfort Plus® Multifocal
This study is a 4-visit, multi-site, prospective, controlled, randomized, single-masked (subjects), two-arm parallel group, bilateral, dispensing clinical trial to compare the performance of the Test lens to the Control lens in…
- Trial name
- NCT07788521
- Testing
- Senofilcon A, Nelfilcon A
- Where
- 11 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
CLN3
Study With Batten-1 (Miglustat Liquid Formulation) to Treat Ceroid Lipofuscinosis Neuronal 3 (CLN3) Disease
The goal of this open-label, single-arm, multicenter study is to assess the efficacy and safety of Batten-1 (oral liquid formulation of miglustat) (15 mg/kg up to 600 mg/day) in approximately 27 pediatric subjects with CLN3…
- Trial name
- NCT07882290
- Testing
- Miglustat oral liquid formulation (250 mg/mL)
- Where
- 10 sites in United States, Denmark and 6 more
- Volunteers
- 27 people
- Sponsor
- Beyond Batten Disease Foundation
Keratoconus, Irregular Astigmatism
Effect of Corneal and Scleral RGP Lenses on Ocular Health and Visual Quality in Keratoconus
This study aims to compare the ocular health and visual quality of corneal rigid gas permeable lenses (CRGPL) and scleral rigid gas permeable lenses (SRGPL) for patients with keratoconus in a crossover clinical trial.
- Trial name
- NCT06921967
- Testing
- Rose K2, Onefit MED
- Where
- Denmark
- Volunteers
- 50 people
- Sponsor
- University of Aarhus
Keratoconus
PRoTECT: Corneal Wavefront Guided PRK + Epi-off CXL vs. PTK+Epi-off CXL in Keratoconus
Keratoconus causes irregular astigmatism and reduced vision. Epi-off corneal crosslinking (CXL) stabilizes the cornea but often leaves higher-order aberrations uncorrected.
- Trial name
- PRoTECT (NCT07372911)
- Testing
- Schwind AMARIS excimer laser, Corneal collagen crosslinking epi-off accelerated
- Where
- Mexico
- Volunteers
- 50 people
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Optic Neuritis
Privosegtor Investigation in Optic Neuropathies Efficacy Evaluation Research
The goal of this clinical trial is to evaluate the safety and efficacy of privosegtor, a neuroprotective candidate, in patients diagnosed with optic neuritis (ON).
- Trial name
- PIONEER-1 (NCT07623668)
- Testing
- Privosegtor, Methylprednisolone
- Where
- 4 sites in United States
- Volunteers
- 210 people
- Sponsor
- Oculis
Presbyopia
Volumetric Visual Fields at Intermediate and Near Distances in Presbyopic Patients Using Occupational and General-Purpose Progressive Addition Lenses
This single-center, randomized, double-blind, crossover clinical trial aims to compare the volumetric visual fields provided by two occupational progressive addition lenses (OPLs) optimized for intermediate and near vision in…
- Trial name
- CIVIUS2025PAL (NCT07617090)
- Testing
- OPAL PC assesment, OPAL Office assessment, PAL assesment
- Where
- 2 sites in Spain
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Seville
Refractive Error Correction, Visual Acuity
Metric-Optimized Spectacle Prescriptions for Children With Down Syndrome
This study seeks to determine whether glasses prescriptions determined from computer analysis of detailed images of the eyes provide better vision outcomes for children with Down syndrome than prescriptions determined using…
- Trial name
- NCT07490444
- Testing
- Metric-optimized spectacles, Routine Clinical Spectacles
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Ohio State University
Vision Loss Night, Vision Disorders
OPI-NXYDLD-303 Safety and Efficacy of Phentolamine Ophthalmic Solution in Keratorefractive Surgery Participants With Decreased Mesopic Visual Acuity
The goal of this clinical trial is to learn if Phentolamine Ophthalmic Solution works to treat adults that have had keratorefractive surgery and have decreased visual acuity under mesopic conditions.
- Trial name
- LYNX-3 (NCT07140783)
- Testing
- 0.75% Phentolamine Ophthalmic Solution
- Where
- 20 sites in United States
- Volunteers
- 580 people
- Sponsor
- Opus Genetics, Inc
Intrinsic Capacity, Frailty
Project ICOPE Brazil: Assessment of Intrinsic Capacity in Brazilian Older Adults
The ICOPE Brazil study aims to understand aging trajectories in Brazil, especially healthy aging trends based on intrinsic capacity, a collective of mental and physical capacities one may have to maintain their functional ability…
- Conditions
- Intrinsic Capacity, Frailty, Aging, Healthy Aging
- Trial name
- ICOPE-BR (NCT06968702)
- Volunteers
- 3,838 people
- Sponsor
- University of Sao Paulo
Presbyopia Correction, Presbyopia
Clinical Evaluation of Visual Performance, Spectacle Independence, and Patient Satisfaction With TECNIS PureSee Mini-Monovision and TECNIS PureSee-TECNIS Odyssey Mix-Match
The purpose of the study is to evaluate the binocular clinical endpoints of distance, intermediate, and near vision and patient reported outcomes utilizing mini-monovision versus mix-match approaches for the correction of…
- Conditions
- Presbyopia Correction, Presbyopia, Dysphotopsia, Visual Acuity
- Trial name
- NCT07860567
- Testing
- TECNIS PureSee IOL (Model DEN00V/DET150), TECNIS Odyssey IOL (Model DRN00V/DRT150)
- Where
- United States
- Volunteers
- 68 people
- Sponsor
- Dr. Daniel H. Chang, MD
Presbyopia
Volumetric Visual Fields at Different Distances in Presbyopic Patients Using Occupational (PC-133 and PC-200) and General-Purpose Progressive Addition Lenses
This single-center, randomized, double-blind, crossover clinical trial aims to compare the volumetric visual fields provided by two occupational progressive addition lenses (OPLs) optimized for intermediate and near vision in…
- Trial name
- CIVIUS2026PAL (NCT07870785)
- Testing
- OPAL PC 133 assessment, OPAL PC 200 assessment, PAL assessment
- Where
- Spain
- Volunteers
- 28 people
- Sponsor
- University of Seville
Alcohol Use Disorder, Retinal Dystrophies
The Effects of Disulfiram (Antabuse®) on Visual Acuity in Patients With Retinal Degeneration
Oral disulfiram (Antabuse®) has been shown to improve image-forming vision in animal models with retinal degeneration due to its ability to decrease Retinoic Acid synthesis and consequently reduce hyperactivity in the inner…
- Conditions
- Alcohol Use Disorder, Retinal Dystrophies, Age-Related Macular Degeneration, Retinitis Pigmentosa
- Trial name
- NCT06319872
- Testing
- Oral disulfiram
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Rochester
Vision Screening
Validation of DDIVAT Digital Optotypes for Distance Visual Acuity Testing Among the Bulgarian Population
To compare distance visual acuity in Bulgarian patients over 18 years of age using two different methods - the Snellen method and the DIDIVAT digital online optotypes.
- Trial name
- NCT07208838
- Testing
- To test visual acuity in 150 Bulgarian patients over 18 years of age using Snellens visual acuity chart and DDIVAT optotypes
- Where
- Bulgaria
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Plovdiv Medical University