{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=optical+measurements&page=2",
    "query": {
      "intervention": "optical measurements",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=optical+measurements&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T14:26:39.314Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03840161",
      "title": "Use of CoG by Patients With Diabetes Mellitus",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "non-invasive tissue glucose prediction",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sciema UG",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 40,
      "start_date": "2018-07-16",
      "completion_date": "2019-03-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 1,
      "location_summary": "San Mateo, California",
      "locations": [
        {
          "city": "San Mateo",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03840161"
    },
    {
      "nct_id": "NCT03222661",
      "title": "Direct Comparison of SVOne Obtained Refraction to Subjective Manifest Refraction",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Refractive Errors"
      ],
      "interventions": [
        {
          "name": "Refraction",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Smart Vision Labs",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "12 Years to 65 Years"
      },
      "enrollment_count": 200,
      "start_date": "2017-09",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2017-07-19",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03222661"
    },
    {
      "nct_id": "NCT03694626",
      "title": "Objectively Diagnose and Monitor Treatment of Light Sensitivity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Photophobia",
        "Traumatic Brain Injury",
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Pupillography",
          "type": "DEVICE"
        },
        {
          "name": "Ocular Coherence Tomography (OCT)",
          "type": "DEVICE"
        },
        {
          "name": "Wrist-watch sensor device",
          "type": "DEVICE"
        },
        {
          "name": "Videography",
          "type": "DEVICE"
        },
        {
          "name": "Electrophysiology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Randy Kardon",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-07-11",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03694626"
    },
    {
      "nct_id": "NCT03767400",
      "title": "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.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Skin Care"
      ],
      "interventions": [
        {
          "name": "Skin Imaging",
          "type": "DEVICE"
        },
        {
          "name": "Facial Cleanser",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Allergan",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 99,
      "start_date": "2018-12-07",
      "completion_date": "2019-07-30",
      "has_results": false,
      "last_update_posted_date": "2019-10-31",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 1,
      "location_summary": "Irvine, California",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03767400"
    },
    {
      "nct_id": "NCT01971463",
      "title": "Bolus of Saline in Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "Normal saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 81,
      "start_date": "2013-10",
      "completion_date": "2019-09",
      "has_results": true,
      "last_update_posted_date": "2019-12-04",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01971463"
    },
    {
      "nct_id": "NCT01786785",
      "title": "Optical Measurement of Cerebral Hemodynamics in Children With Acute Arterial Ischemic Stroke",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Arterial Ischemic Stroke"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Hospital of Philadelphia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 15,
      "start_date": "2012-02",
      "completion_date": "2016-10-22",
      "has_results": false,
      "last_update_posted_date": "2022-05-02",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01786785"
    },
    {
      "nct_id": "NCT03318549",
      "title": "BCI and Evaluation of Visual and Task Performance in Subjects With Eye Diseases",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glaucoma",
        "Macular Degeneration",
        "Glaucoma Suspect",
        "Optic Neuropathy",
        "Retinal Degeneration",
        "Visual Pathway Disorder"
      ],
      "interventions": [
        {
          "name": "Visual Performance tests",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Brain-computer interface",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DEVICE"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 115,
      "start_date": "2018-10-29",
      "completion_date": "2023-05-31",
      "has_results": true,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03318549"
    },
    {
      "nct_id": "NCT02907814",
      "title": "Measurement of Anterior Chamber Cell Grading Using Ocular Coherence Tomography",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Uveitis"
      ],
      "interventions": [
        {
          "name": "Optical Coherence Tomography (OCT)",
          "type": "DEVICE"
        },
        {
          "name": "Eye Exam",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2016-09",
      "completion_date": "2018-04",
      "has_results": true,
      "last_update_posted_date": "2019-05-06",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02907814"
    },
    {
      "nct_id": "NCT03852485",
      "title": "Comparison of OCT and OCTA-based Ocular Measurements to Those of Predicate",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Normal Eyes and Eyes With Ocular Pathologies"
      ],
      "interventions": [
        {
          "name": "SD-OCT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Optovue",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 199,
      "start_date": "2019-01-29",
      "completion_date": "2019-08-30",
      "has_results": false,
      "last_update_posted_date": "2019-09-03",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 2,
      "location_summary": "Newark, New Jersey • Marysville, Ohio",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        },
        {
          "city": "Marysville",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03852485"
    },
    {
      "nct_id": "NCT06212518",
      "title": "Transdermal Optical Imaging (TOI) as a Non-invasive Measure to Detect Changes in Hydration Status in Healthy Adults and Athletes",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dehydration"
      ],
      "interventions": [
        {
          "name": "GENPOP ad libitum fluid intake",
          "type": "OTHER"
        },
        {
          "name": "GENPOP fluid restriction",
          "type": "OTHER"
        },
        {
          "name": "ATHLETE ad libitum fluid intake",
          "type": "OTHER"
        },
        {
          "name": "ATHLETE restricted fluid intake",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "PepsiCo Global R&D",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "14 Years to 65 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2023-10-02",
      "completion_date": "2024-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-19",
      "last_synced_at": "2026-09-29T14:26:39.314Z",
      "location_count": 4,
      "location_summary": "Bradenton, Florida • Chicago, Illinois • Valhalla, New York + 1 more",
      "locations": [
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Valhalla",
          "state": "New York"
        },
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06212518"
    }
  ]
}