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ClinicalTrials.gov public records Last synced Oct 20, 2026, 1:58 PM EDT

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Showing 1–24 of 158 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Optical measurement Clear all
Completed No phase listed Interventional Accepts healthy volunteers Results available

Comparative Study of the NIDEK TONOREF III and the Haag-Streit Goldmann Manual Tonometer and Comparison of Pachymetry Values for NIDEK TONOREF III With the NIDEK CEM-530

NCT03441477
View directory record Official record
Conditions
Intraocular Pressure
Interventions
Nidek Tonoref III, Haag-Streit Goldmann Manual Tonometer, NIDEK CEM-530
Device
Lead sponsor
Nidek Co. LTD.
Industry
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Andover, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 3, 2023 · Synced Oct 20, 2026, 1:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of the Performance and Safety of the Aktiia Spot-check Optical Blood Pressure Monitoring Device At Wrist Against Double Auscultation

NCT06565780
View directory record Official record
Conditions
Hypertension
Interventions
Device under test evaluation against references
Device
Lead sponsor
Aktiia SA
Industry
Eligibility
22 Years to 59 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Broomfield, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 18, 2025 · Synced Oct 20, 2026, 1:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Visualizing Dermal Micropores With OCT

NCT04867733
View directory record Official record
Conditions
Healthy
Interventions
Micropatch (microneedle patch)
Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 45 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Oct 20, 2026, 1:58 PM EDT
Completed No phase listed Observational

Mitochondria and Metabolic Syndrome in a Southern California Chinese Cohort

NCT00786721
View directory record Official record
Conditions
Metabolic Syndrome, Type 2 Diabetes Mellitus
Interventions
Diffuse Optical Spectroscopy
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
Not listed
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 20, 2026, 1:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Dynamic Optical Coherence Tomography(D-OCT) Aging Study: A Preliminary Evaluation of Structural Differences Between Young and Aged Skin, Cellulite and Atrophic Acne Scars in Female Caucasian Subjects With Fitzpatrick Skin Types I-III Utilizing Non-invasive in Vivo D-OCT.

NCT03767400
View directory record Official record
Conditions
Skin Care
Interventions
Skin Imaging, Facial Cleanser
Device · Other
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 75 Years · Female only
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Oct 20, 2026, 1:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Noninvasive Optical Measurement of Critical Care Neonates

NCT01483703
View directory record Official record
Conditions
Signs and Symptoms
Interventions
Laser Speckle Imaging
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
1 Minute to 6 Weeks
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 20, 2026, 1:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Digital Ankle Brachial Index (ABI) as a Screening Tool in Detecting Peripheral Arterial Disease

NCT03161327
View directory record Official record
Conditions
Peripheral Artery Disease, Amputation, Smoking, Diabetes, Hypercholesterolemia, Hypertension
Interventions
ABI using QuantaFlo™
Device
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 90 Years
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Oct 20, 2026, 1:58 PM EDT
Completed No phase listed Observational Results available

Randomized Trial Comparing Prediction Accuracy of Two Swept Source Optical Coherence Tomography Biometers

NCT05748275
View directory record Official record
Conditions
Cataract
Interventions
Argos, IOLMaster 700
Diagnostic Test
Lead sponsor
Multack Eye Care
Other
Eligibility
50 Years to 85 Years
Enrollment
80 participants
Timeline
2021
U.S. locations
1
States / cities
Frankfort, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 20, 2026, 1:58 PM EDT
Enrolling by invitation No phase listed Observational

Observational Study - TA- 2025-1

NCT07007897
View directory record Official record
Conditions
Astigmatism
Interventions
Optical Biometry, Cataract Surgery
Device · Procedure
Lead sponsor
Haag-Streit AG
Industry
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
2
States / cities
Mesa, Arizona • Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 6, 2025 · Synced Oct 20, 2026, 1:58 PM EDT
Completed No phase listed Observational

Evaluation of An Optical Measurement Algorithm Combined With Patient and Provider Input to Reduce Mask Exchanges During Initial Positive Airway Pressure Therapy

NCT04688125
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Obesity Hypoventilation Syndrome (OHS), Sleep Apnea Syndromes
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 28, 2025 · Synced Oct 20, 2026, 1:58 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Longitudinal Spatial Frequency Domain Imaging Study

NCT05672992
View directory record Official record
Conditions
Systemic Scleroderma
Interventions
Spatial-frequency domain imaging (SFDI)
Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 20, 2026, 1:58 PM EDT
Completed Not applicable Interventional Results available

How Has Glaucoma Affected Your Quality of Life?

NCT01476644
View directory record Official record
Conditions
Glaucoma, Quality of Life
Interventions
Clinical evaluation, Performance based measures, Subjective measures of vision-related quality of life
Other
Lead sponsor
Wills Eye
Other
Eligibility
18 Years to 80 Years
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 15, 2019 · Synced Oct 20, 2026, 1:58 PM EDT
Terminated No phase listed Observational

An Exploratory Study on Optical Assessment of Oral Mucositis

NCT00488332
View directory record Official record
Conditions
Head and Neck Cancer, Oral Mucositis
Interventions
Optical Coherence Tomography, Fluorescence Spectroscopy, Pain Scale Questionnaire
Procedure · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 20, 2012 · Synced Oct 20, 2026, 1:58 PM EDT
Terminated No phase listed Observational

3-Dimensional Form and Soft Tissue Biomechanics of the Breast

NCT00502814
View directory record Official record
Conditions
Breast Cancer
Interventions
3-D Optical Surface Scan, Mechanical Testing, Cutaneous Ultrasound, Breast MRI and/or CT
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 22, 2012 · Synced Oct 20, 2026, 1:58 PM EDT
Completed Not applicable Interventional Results available

Jointstrong Intervention for Juvenile Arthritis

NCT01166750
View directory record Official record
Conditions
Juvenile Arthritis
Interventions
CD-ROM, Wait-list Control Group
Behavioral
Lead sponsor
Michael Rapoff, Ph.D.
Other
Eligibility
8 Years to 12 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Oct 20, 2026, 1:58 PM EDT
Completed No phase listed Observational

Measurements of Anemia and Physiologic Tissue Response to Blood Transfusions in VLBW Infants Using Quantitative NIRS

NCT00544375
View directory record Official record
Conditions
Infant Development
Interventions
Optical measurement
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
1 Minute to 1 Month
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 20, 2026, 1:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optos P200TE Agreement and Precision Study

NCT03868462
View directory record Official record
Conditions
Retinal Disease, Glaucoma
Interventions
Optos P200TE, Predicate Device
Device
Lead sponsor
Optos, PLC
Industry
Eligibility
22 Years and older
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 15, 2019 · Synced Oct 20, 2026, 1:58 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating Raised Intracranial Pressure Using MR Elastography

NCT03096743
View directory record Official record
Conditions
Idiopathic Intracranial Hypertension
Interventions
MR elastography, MRI structural brain imaging, Lumbar puncture, Optical Coherence Tomography (OCT) imaging, Optic nerve B-scan ultrasound
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 20, 2026, 1:58 PM EDT
Completed Phase 2 Interventional Results available

Bolus of Saline in Stroke

NCT01971463
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Normal saline
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 110 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 4, 2019 · Synced Oct 20, 2026, 1:58 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Measurement of the Optic Nerve Sheath Diameter

NCT05548335
View directory record Official record
Conditions
Optic Nerve
Interventions
Ocular Ultrasound
Procedure
Lead sponsor
Cleveland Clinic Akron General
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 8, 2023 · Synced Oct 20, 2026, 1:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Utility of Transdermal Optical Imaging (TOI) as a Non-invasive Measure of Hydration Status: Phase 3a for Model Development

NCT06044610
View directory record Official record
Conditions
Dehydration
Interventions
GENPOP Passive dehydration (75% reduction in fluid intake, GENPOP Ad lib fluid intake, EXERCISE without fluid replacement, EXERCISE with fluid replacement
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
2
States / cities
Valhalla, New York • Plano, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2024 · Synced Oct 20, 2026, 1:58 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Transdermal Optical Imaging (TOI) as a Non-invasive Measure to Detect Changes in Hydration Status in Healthy Adults and Athletes

NCT06212518
View directory record Official record
Conditions
Dehydration
Interventions
GENPOP ad libitum fluid intake, GENPOP fluid restriction, ATHLETE ad libitum fluid intake, ATHLETE restricted fluid intake
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
14 Years to 65 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Bradenton, Florida • Chicago, Illinois • Valhalla, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2024 · Synced Oct 20, 2026, 1:58 PM EDT
Completed No phase listed Observational

Refractive and Visual Outcomes With the ARGOS Biometer In Eyes With a History of Refractive Surgery: ARGOS Study

NCT07129980
View directory record Official record
Conditions
Cataract
Interventions
ARGOS Biometer
Device
Lead sponsor
Vance Thompson Vision
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Aug 24, 2025 · Synced Oct 20, 2026, 1:58 PM EDT
Terminated Not applicable Interventional

Neodymium-doped Yttrium Aluminum Garnet (Nd:YAG) Laser Treatment for Granular Corneal Dystrophy

NCT06202651
View directory record Official record
Conditions
Granular Dystrophy, Corneal
Interventions
Nd:YAG Laser
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Oct 20, 2026, 1:58 PM EDT