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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers Results available

LFR-260 vs Traditional Phoropter in Visual Acuity Testing

NCT05259163
Conditions
Visual Acuity, Astigmatism, Anisometropia
Interventions
LFR-260 portable phoropter, Traditional phoropter (SOC)
Device
Lead sponsor
Evolution Optiks Limited
Industry
Eligibility
12 Years to 65 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Worcester, Massachusetts • Oyster Bay, New York
Conditions
Refractive Errors, Astigmatism
Interventions
Hand-held device supported by a mobile application, Phoropter, Autorefractor
Device
Lead sponsor
EyeQue Corp.
Industry
Eligibility
30 Years to 65 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Inglewood, California
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effect of Lens Presentation on the Clinical Oculomotor Assessment at Near

NCT02679313
Conditions
Vision Disorders
Interventions
Phoropter
Device
Lead sponsor
State University of New York College of Optometry
Other
Eligibility
18 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Study to Evaluate Effectiveness of Digital Refraction

NCT03502863
Conditions
Myopia, Astigmatism
Interventions
Digital refraction, Manual Refraction
Device · Other
Lead sponsor
Visibly
Industry
Eligibility
22 Years to 55 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
3
States / cities
Fort Lauderdale, Florida • Nashville, Tennessee • Harlingen, Texas
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Clinical Investigation of the Vision-R800 Device.

NCT04208750
Conditions
Myopia, Hyperopia, Astigmatism, Presbyopia
Interventions
Vision R-800 Phoropter, Standard Phoropter
Device
Lead sponsor
Pete Kollbaum, OD, PhD
Other
Eligibility
18 Years to 70 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Bloomington, Indiana
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Wearing-Off Period of Pharmacological Dilation and Anisocoria

NCT05238233
Conditions
Anisocoria
Interventions
Tropicamide, 1% Pilocarpine, Proparacaine Hydrochloride, Tono pen AVIA, VG4 Gonio, Reichert phoropter
Drug · Device
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Greenville, South Carolina