{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Photography+of+the+retina",
    "query": {
      "intervention": "Photography of the retina"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Photography+of+the+retina&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T16:30:03.053Z",
  "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": "NCT01115387",
      "title": "GARM II: A Study on the Genetics of Age-related Maculopathy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Age-related Macular Degeneration",
        "Age-related Maculopathy"
      ],
      "interventions": [
        {
          "name": "Observational-1",
          "type": "OTHER"
        },
        {
          "name": "Observational-2",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "49 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "49 Years and older"
      },
      "enrollment_count": 603,
      "start_date": "2011-10-06",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2023-11-07",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01115387"
    },
    {
      "nct_id": "NCT03037268",
      "title": "Quality and Diagnostic Utility of Mydriatic Fundus Plenoptic Photography",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinal Imaging"
      ],
      "interventions": [
        {
          "name": "Lytro Plenoptic Camera and 28D lens",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Wills Eye",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2018-12",
      "completion_date": "2019-05",
      "has_results": false,
      "last_update_posted_date": "2019-11-13",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03037268"
    },
    {
      "nct_id": "NCT01625598",
      "title": "Computer Detection of Diabetic Retinopathy Compared to Clinical Examination",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Retinopathy"
      ],
      "interventions": [
        {
          "name": "Photography of the retina",
          "type": "PROCEDURE"
        },
        {
          "name": "Retinal photography",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Digital Diagnostics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2012-04",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-04-22",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 7,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Cedar Rapids, Iowa + 2 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Cedar Rapids",
          "state": "Iowa"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01625598"
    },
    {
      "nct_id": "NCT06924021",
      "title": "Age-Related Macular Degeneration Benchmark Imaging Dataset (ABID)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Age-Related Macular Degeneration"
      ],
      "interventions": [
        {
          "name": "Retinal Imaging",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2025-05-12",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 7,
      "location_summary": "Fargo, North Dakota • Erie, Pennsylvania • Dallas, Texas + 4 more",
      "locations": [
        {
          "city": "Fargo",
          "state": "North Dakota"
        },
        {
          "city": "Erie",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "McAllen",
          "state": "Texas"
        },
        {
          "city": "The Woodlands",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06924021"
    },
    {
      "nct_id": "NCT03279939",
      "title": "Evaluation of Heidelberg Engineering SPECTRALIS With OCT Angiography Module",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Retinal Vascular",
        "Normal Eyes"
      ],
      "interventions": [
        {
          "name": "OCT Angiography",
          "type": "DEVICE"
        },
        {
          "name": "Color Fundus Photography",
          "type": "DEVICE"
        },
        {
          "name": "Fluorescein Angiography",
          "type": "DEVICE"
        },
        {
          "name": "Indocyaine Green Angiography",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Heidelberg Engineering GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 88,
      "start_date": "2017-08-23",
      "completion_date": "2018-01-12",
      "has_results": false,
      "last_update_posted_date": "2025-09-15",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03279939"
    },
    {
      "nct_id": "NCT01546766",
      "title": "Rapid, Non-invasive, Regional Functional Imaging of the Retina. (Diabetic Retinopathy Diagnosis Device)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetes",
        "Retinal Disorders"
      ],
      "interventions": [
        {
          "name": "Pupillometry testing.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 315,
      "start_date": "2007-02",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2023-11-07",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01546766"
    },
    {
      "nct_id": "NCT03752840",
      "title": "Village-Integrated Eye Worker Trial II",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age-related Macular Degeneration",
        "Diabetic Retinopathy",
        "Glaucoma"
      ],
      "interventions": [
        {
          "name": "Visual acuity (presenting and pinhole)",
          "type": "OTHER"
        },
        {
          "name": "Optical coherence tomography (OCT)",
          "type": "OTHER"
        },
        {
          "name": "Intraocular pressure",
          "type": "OTHER"
        },
        {
          "name": "Active linkage to care",
          "type": "OTHER"
        },
        {
          "name": "Fundus Photography",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 60200,
      "start_date": "2019-04-21",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03752840"
    },
    {
      "nct_id": "NCT07270133",
      "title": "Longitudinal Natural History Study of Retinal Function in Eyes of Patients With Diabetes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Diabetic Retinal Disease"
      ],
      "interventions": [
        {
          "name": "Visual Acuity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Reading Speed",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Visual Field testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Contrast sensitivity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electroretinography (ERG) and pupillography in light- and dark-adapted states",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrawide field-color photograph",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrawide field-Fluorescein angiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Optical coherence tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Optical coherence tomography- Angiography",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "Jaeb Center for Health Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2026-06-01",
      "completion_date": "2032-12",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 6,
      "location_summary": "Augusta, Georgia • Boston, Massachusetts • Detroit, Michigan + 3 more",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Monroeville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07270133"
    },
    {
      "nct_id": "NCT01820117",
      "title": "Brain Integrity in Survivors of Hodgkin Lymphoma Treated With Thoracic Radiation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hodgkin Lymphoma"
      ],
      "interventions": [
        {
          "name": "Neurocognitive Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Quantitative Brain Imaging",
          "type": "OTHER"
        },
        {
          "name": "Neurologic Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Health Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Vascular Testing",
          "type": "OTHER"
        },
        {
          "name": "Cardiopulmonary Exercise Testing",
          "type": "OTHER"
        },
        {
          "name": "Echocardiography",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Function Testing",
          "type": "OTHER"
        },
        {
          "name": "Serum Biomarkers",
          "type": "PROCEDURE"
        },
        {
          "name": "Ophthalmology Examination",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "St. Jude Children's Research Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 416,
      "start_date": "2013-04-26",
      "completion_date": "2018-02-20",
      "has_results": false,
      "last_update_posted_date": "2018-03-01",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 1,
      "location_summary": "Memphis, Tennessee",
      "locations": [
        {
          "city": "Memphis",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01820117"
    },
    {
      "nct_id": "NCT03233646",
      "title": "Retinal Imaging in Neurodegenerative Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Alzheimer's Disease",
        "Mild Cognitive Impairment",
        "Parkinson's Disease",
        "Multiple Sclerosis",
        "Huntington Disease",
        "Lewy Body Dementia",
        "Frontotemporal Dementia",
        "Amyotrophic Lateral Sclerosis (ALS)",
        "APOE-4 Positive",
        "Traumatic Brain Injury",
        "Concussion",
        "Post-Traumatic Stress Disorder",
        "Down Syndrome",
        "Neuro-Degenerative Disease",
        "Normal Cognition"
      ],
      "interventions": [
        {
          "name": "Retinal and Choroidal Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2017-07-20",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-09-28T16:30:03.053Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03233646"
    }
  ]
}