{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=photoscreen",
    "query": {
      "intervention": "photoscreen"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T08:39:33.355Z",
  "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": "NCT04297969",
      "title": "Hyperopia Detection GCK With Glow Fixation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amblyopia Bilateral",
        "Hyperopia of Both Eyes",
        "Astigmatism Bilateral",
        "Accommodation Disorder"
      ],
      "interventions": [
        {
          "name": "objective pediatric vision screen \"GCK glow fixation\"",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Alaska Blind Child Discovery",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "1 Month to 20 Years"
      },
      "enrollment_count": 133,
      "start_date": "2019-10-14",
      "completion_date": "2020-03-03",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-09-04T08:39:33.355Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04297969"
    },
    {
      "nct_id": "NCT04195711",
      "title": "Comparative Validation of \"Blinq\" and \"2WIN\" Vision Screeners",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Strabismic Amblyopia",
        "Refractive Amblyopia",
        "Strabismus"
      ],
      "interventions": [
        {
          "name": "objective pediatric vision screen, \"blinq,\"",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Alaska Blind Child Discovery",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "1 Year to 65 Years"
      },
      "enrollment_count": 100,
      "start_date": "2019-11-18",
      "completion_date": "2019-11-26",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-09-04T08:39:33.355Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04195711"
    },
    {
      "nct_id": "NCT04068129",
      "title": "Enhanced Housing Photoscreeners 2WIN and GoCheckKids Compared in Burma and Alaska",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amblyopia",
        "Anisometropia"
      ],
      "interventions": [
        {
          "name": "photoscreen",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Alaska Blind Child Discovery",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "6 Months to 40 Years"
      },
      "enrollment_count": 162,
      "start_date": "2019-02-11",
      "completion_date": "2019-04-15",
      "has_results": false,
      "last_update_posted_date": "2020-10-19",
      "last_synced_at": "2026-09-04T08:39:33.355Z",
      "location_count": 1,
      "location_summary": "Anchorage, Alaska",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04068129"
    }
  ]
}