Clinical trials: Visual Acuity
Leber's Hereditary Optic Neuropathy (LHON)
Historical Case Record Survey of Visual Acuity Data From Patients With Leber's Hereditary Optic Neuropathy (LHON)
The purpose of this survey is to collect visual acuity data from patients with LHON in order to establish the clinical course (natural history) and visual acuity outcomes in patients with a genetically confirmed diagnosis of…
- Trial name
- NCT02796274
- Where
- 21 sites in Belgium, France and 5 more
- Volunteers
- 219 people
- Sponsor
- Santhera Pharmaceuticals
Visual Acuity
Visual Performance of Soft Contact Lenses With Myopia Control Optics
This is a multi-site, bilateral, dispensing, randomized, controlled, single-masked, 3x3 crossover study with a run-in period.
- Trial name
- NCT05141448
- Testing
- 1-Day Acuvue Moist, EMO-118, EMO-114
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Evaluation of On-eye Optical Performances of the RMY-100 Lens
This is a two-arm parallel, non-masked, bilateral, non-dispensing study with one Test arm and one concurrent, non-randomized Control arm to evaluate the one-eye optical performances of the test soft contact lens and compare with…
- Trial name
- NCT03670277
- Testing
- etafilcon A, Habitual Orthokeratology Lenses
- Where
- Canada
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Corneal Ulcer, Eye Infections, Fungal
The Mycotic Ulcer Treatment Trial II: A Randomized Trial Comparing Oral Voriconazole vs Placebo
The purpose of this study is to determine if the addition of oral voriconazole to topical treatment regimens results in lower rates of perforation in severe fungal corneal ulcers.
- Trial name
- MUTTII (NCT00997035)
- Testing
- Voriconazole
- Where
- 7 sites in United States, India and 1 more
- Volunteers
- 240 people
- Sponsor
- University of California, San Francisco
Visual Acuity
Evaluation of Acuvue Oasys 1-Day Contact Lenses in New Wearers
This is a multi-site, bilateral, dispensing, non-randomized, uncontrolled, unmasked, single arm study to evaluate visual acuity in neophytes.
- Trial name
- NCT06333613
- Testing
- ACUVUE OASYS® 1-DAY with HydraLuxe™ TECHNOLOGY (AO1D)
- Where
- 5 sites in United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Evaluating Soft Contact Lens Prototypes for Myopia Control
This is a multi-site, prospective, randomized, controlled, double-masked, four-arm-parallel-group, dispensing study. Each subject will be bilaterally fitted with one of four types of test articles and wear contact lenses of the…
- Trial name
- NCT03408444
- Testing
- EMO-114, EMO-116, EMO-118
- Where
- China
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Visual Acuity
Evaluating Visual Acuity and Initial Fit Performance of Two Soft Contact Lenses
This is a multi-center, randomized, controlled, double-masked, 2x2 cross-over, non-dispensing study to compare visual acuity and lens fit performance.
- Trial name
- NCT04954833
- Testing
- EMO-200, EMO-118
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Amblyopia
New Visual Acuity and Crowding Tests for Better Detection of Amblyopia
Amblyopia, or 'lazy eye', is the reduction in vision usually in one eye, due to abnormal visual development without organic cause.
- Trial name
- NCT03505606
- Testing
- Visual acuity tests
- Where
- United Kingdom
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University
Visual Impairment, Amblyopia Suspect
DigiVis: Self-testing Vision App for Telephone Consultations
This trial aims to assess the accuracy and test-retest variability of a new digital app which enables community visual acuity testing without requirement of an trained examiner.
- Trial name
- NCT04482387
- Testing
- DigiVis visual acuity app
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Visual Acuity, Astigmatism
LFR-260 vs Traditional Phoropter in Visual Acuity Testing
The purpose of this study is to establish if LFR-260 (investigational device) is not inferior in effectiveness to a traditional phoropter (control device) when applied in visual acuity test in subjects undergoing a full routine…
- Conditions
- Visual Acuity, Astigmatism, Anisometropia
- Trial name
- NCT05259163
- Testing
- LFR-260 portable phoropter, Traditional phoropter (SOC)
- Where
- 2 sites in United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- Evolution Optiks Limited
Cataract
PREVAIL VII: Cataract Surgery in Ebola Survivors
Objective: Zaire ebolavirus is a single-stranded RNA virus associated with high morbidity and mortality. The most recent epidemic of Ebola virus disease (EVD) in West Africa resulted in over 11,000 deaths and disabling sequelae…
- Trial name
- NCT03309020
- Testing
- Cataract surgery
- Where
- Liberia
- Volunteers
- 37 people
- Sponsor
- National Eye Institute (NEI)
Corneal Ulcer, Eye Infections, Fungal
Mycotic Ulcer Treatment Trial I
The purpose of this study is to determine if natamycin or voriconazole results in better visual outcomes in fungal corneal ulcers, especially visual acuity.
- Trial name
- MUTT I (NCT00996736)
- Testing
- Natamycin, Voriconazole
- Where
- 3 sites in United States, India
- Volunteers
- 323 people
- Sponsor
- University of California, San Francisco
Corneal Ulcer, Eye Infections, Bacterial
Steroids for Corneal Ulcers Trial
The purpose of this study is to determine whether adding topical steroids improves the outcomes of bacterial corneal ulcers, especially visual acuity.
- Trial name
- SCUT (NCT00324168)
- Testing
- Antibiotics, Topical corticosteroid
- Where
- 5 sites in United States, India
- Volunteers
- 500 people
- Sponsor
- Thomas M. Lietman