Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 28, 2026, 2:03 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Terminated Not applicable Interventional Accepts healthy volunteers Results available

LSFG-SKIN, Laser Speckle Flowgraphy

NCT03660618
Conditions
Hypertension, Heart Failure, Vascular Ischemia, Burns, Chemotherapy Effect, Radiation Injuries, Uveitis, Scleritis, Multiple Sclerosis, Autonomic Neuropathy, Stroke, Intracranial Hemorrhages, TIA, Migraine, Headache, Pain
Interventions
laser speckle flowgraphy
Device
Lead sponsor
Randy Kardon
Other
Eligibility
18 Years to 90 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Iowa City, Iowa
Recruiting Not applicable Interventional Accepts healthy volunteers

New Non-invasive Modalities for Assessing Retinal Structure and Function

NCT03475173
Conditions
Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion, Hemianopia, Leber Hereditary Optic Neuropathy, Acute Zonal Occult Outer Retinopathy
Interventions
LSFG-NAVI
Device
Lead sponsor
Randy Kardon
Other
Eligibility
18 Years to 99 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Smartphone Flicker Fusion Test for Patients With Optic Disorders.

NCT03475147
Conditions
Scotoma
Interventions
eyeFusion
Device
Lead sponsor
Randy Kardon
Other
Eligibility
18 Years to 80 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Recruiting Not applicable Interventional Accepts healthy volunteers

Objectively Diagnose and Monitor Treatment of Light Sensitivity

NCT03694626
Conditions
Photophobia, Traumatic Brain Injury, Migraine
Interventions
Pupillography, Ocular Coherence Tomography (OCT), Wrist-watch sensor device, Videography, Electrophysiology
Device
Lead sponsor
Randy Kardon
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa